/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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 06:29:56,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 06:29:56,881 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 06:29:56,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 06:29:56,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 06:29:56,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 06:29:56,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 06:29:56,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 06:29:56,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 06:29:56,919 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 06:29:56,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 06:29:56,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 06:29:56,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 06:29:56,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 06:29:56,921 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 06:29:56,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 06:29:56,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 06:29:56,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 06:29:56,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 06:29:56,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 06:29:56,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 06:29:56,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 06:29:56,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 06:29:56,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 06:29:56,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 06:29:56,924 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 06:29:56,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 06:29:56,925 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 06:29:56,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 06:29:56,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 06:29:56,926 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 06:29:56,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 06:29:56,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:29:56,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 06:29:56,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 06:29:56,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 06:29:56,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 06:29:56,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 06:29:56,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 06:29:56,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 06:29:56,928 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 06:29:56,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 06:29:56,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 06:29:56,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 06:29:57,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 06:29:57,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 06:29:57,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 06:29:57,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 06:29:57,200 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 06:29:57,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-16 06:29:58,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 06:29:58,978 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 06:29:58,979 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-16 06:29:59,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e5f6db4/fa2cc1ae497140e1927fd1a543911f7f/FLAG4c4f0bcdb [2023-12-16 06:29:59,043 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e5f6db4/fa2cc1ae497140e1927fd1a543911f7f [2023-12-16 06:29:59,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 06:29:59,046 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 06:29:59,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 06:29:59,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 06:29:59,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 06:29:59,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:29:59" (1/1) ... [2023-12-16 06:29:59,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724a13ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:59, skipping insertion in model container [2023-12-16 06:29:59,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:29:59" (1/1) ... [2023-12-16 06:29:59,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 06:29:59,829 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2023-12-16 06:29:59,963 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2023-12-16 06:30:00,011 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2023-12-16 06:30:00,031 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2023-12-16 06:30:00,041 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2023-12-16 06:30:00,050 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2023-12-16 06:30:00,128 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2023-12-16 06:30:00,168 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2023-12-16 06:30:00,186 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2023-12-16 06:30:00,200 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2023-12-16 06:30:00,208 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2023-12-16 06:30:00,242 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2023-12-16 06:30:00,258 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2023-12-16 06:30:00,267 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2023-12-16 06:30:00,276 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2023-12-16 06:30:00,286 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2023-12-16 06:30:00,295 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2023-12-16 06:30:00,304 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2023-12-16 06:30:00,313 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2023-12-16 06:30:00,323 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2023-12-16 06:30:00,331 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2023-12-16 06:30:00,340 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2023-12-16 06:30:00,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:30:00,400 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 06:30:00,656 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2023-12-16 06:30:00,715 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2023-12-16 06:30:00,745 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2023-12-16 06:30:00,760 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2023-12-16 06:30:00,769 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2023-12-16 06:30:00,776 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2023-12-16 06:30:00,830 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2023-12-16 06:30:00,858 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2023-12-16 06:30:00,874 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2023-12-16 06:30:00,883 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2023-12-16 06:30:00,891 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2023-12-16 06:30:00,932 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2023-12-16 06:30:00,947 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2023-12-16 06:30:00,956 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2023-12-16 06:30:00,965 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2023-12-16 06:30:00,976 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2023-12-16 06:30:00,984 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2023-12-16 06:30:00,993 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2023-12-16 06:30:01,001 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2023-12-16 06:30:01,010 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2023-12-16 06:30:01,019 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2023-12-16 06:30:01,028 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2023-12-16 06:30:01,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:30:01,082 INFO L206 MainTranslator]: Completed translation [2023-12-16 06:30:01,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01 WrapperNode [2023-12-16 06:30:01,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 06:30:01,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 06:30:01,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 06:30:01,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 06:30:01,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,382 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12196 [2023-12-16 06:30:01,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 06:30:01,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 06:30:01,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 06:30:01,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 06:30:01,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,494 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 06:30:01,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 06:30:01,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 06:30:01,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 06:30:01,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 06:30:01,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (1/1) ... [2023-12-16 06:30:01,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:30:01,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 06:30:01,809 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 06:30:01,834 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 06:30:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 06:30:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 06:30:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 06:30:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 06:30:02,121 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 06:30:02,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 06:30:06,450 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 06:30:06,524 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 06:30:06,525 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 06:30:06,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:30:06 BoogieIcfgContainer [2023-12-16 06:30:06,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 06:30:06,527 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 06:30:06,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 06:30:06,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 06:30:06,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:29:59" (1/3) ... [2023-12-16 06:30:06,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e411a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:30:06, skipping insertion in model container [2023-12-16 06:30:06,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:30:01" (2/3) ... [2023-12-16 06:30:06,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e411a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:30:06, skipping insertion in model container [2023-12-16 06:30:06,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:30:06" (3/3) ... [2023-12-16 06:30:06,568 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-16 06:30:06,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 06:30:06,588 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-12-16 06:30:06,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 06:30:06,676 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;@1dd50612, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 06:30:06,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-12-16 06:30:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 2346 states, 2323 states have (on average 1.8222126560482135) internal successors, (4233), 2345 states have internal predecessors, (4233), 0 states have call successors, (0), 0 states 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 06:30:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-16 06:30:06,722 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:06,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:06,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:06,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:06,728 INFO L85 PathProgramCache]: Analyzing trace with hash 474104121, now seen corresponding path program 1 times [2023-12-16 06:30:06,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:06,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477950198] [2023-12-16 06:30:06,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:07,381 INFO 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 06:30:07,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:07,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477950198] [2023-12-16 06:30:07,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477950198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:07,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:07,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:30:07,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364023931] [2023-12-16 06:30:07,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:07,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:30:07,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:07,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:30:07,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:30:07,429 INFO L87 Difference]: Start difference. First operand has 2346 states, 2323 states have (on average 1.8222126560482135) internal successors, (4233), 2345 states have internal predecessors, (4233), 0 states have call successors, (0), 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 17.0) internal successors, (85), 4 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 06:30:08,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:08,809 INFO L93 Difference]: Finished difference Result 2799 states and 4973 transitions. [2023-12-16 06:30:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:30:08,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 06:30:08,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:08,828 INFO L225 Difference]: With dead ends: 2799 [2023-12-16 06:30:08,828 INFO L226 Difference]: Without dead ends: 1620 [2023-12-16 06:30:08,834 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 06:30:08,836 INFO L413 NwaCegarLoop]: 1527 mSDtfsCounter, 8452 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8452 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:08,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8452 Valid, 1567 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 06:30:08,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2023-12-16 06:30:08,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2023-12-16 06:30:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1598 states have (on average 1.3222778473091363) internal successors, (2113), 1619 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:30:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2113 transitions. [2023-12-16 06:30:08,933 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2113 transitions. Word has length 85 [2023-12-16 06:30:08,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:08,933 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 2113 transitions. [2023-12-16 06:30:08,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 06:30:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2113 transitions. [2023-12-16 06:30:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-16 06:30:08,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:08,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:08,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 06:30:08,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:08,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:08,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1379625602, now seen corresponding path program 1 times [2023-12-16 06:30:08,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:08,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590364745] [2023-12-16 06:30:08,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:08,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:09,111 INFO 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 06:30:09,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:09,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590364745] [2023-12-16 06:30:09,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590364745] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:09,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:09,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:30:09,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111070870] [2023-12-16 06:30:09,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:09,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:30:09,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:09,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:30:09,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:30:09,115 INFO L87 Difference]: Start difference. First operand 1620 states and 2113 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 06:30:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:10,352 INFO L93 Difference]: Finished difference Result 2275 states and 2992 transitions. [2023-12-16 06:30:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:30:10,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 06:30:10,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:10,359 INFO L225 Difference]: With dead ends: 2275 [2023-12-16 06:30:10,360 INFO L226 Difference]: Without dead ends: 1492 [2023-12-16 06:30:10,361 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 06:30:10,362 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 5770 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5770 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:10,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5770 Valid, 846 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 06:30:10,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2023-12-16 06:30:10,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1492. [2023-12-16 06:30:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1470 states have (on average 1.3387755102040817) internal successors, (1968), 1491 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states 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 06:30:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1968 transitions. [2023-12-16 06:30:10,392 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1968 transitions. Word has length 85 [2023-12-16 06:30:10,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:10,392 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 1968 transitions. [2023-12-16 06:30:10,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 06:30:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1968 transitions. [2023-12-16 06:30:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-16 06:30:10,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:10,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:30:10,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 06:30:10,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:10,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:10,397 INFO L85 PathProgramCache]: Analyzing trace with hash -546397045, now seen corresponding path program 1 times [2023-12-16 06:30:10,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:10,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013331145] [2023-12-16 06:30:10,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:10,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:10,563 INFO 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 06:30:10,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:10,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013331145] [2023-12-16 06:30:10,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013331145] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:10,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:10,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:30:10,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569632095] [2023-12-16 06:30:10,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:10,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:30:10,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:10,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:30:10,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:30:10,566 INFO L87 Difference]: Start difference. First operand 1492 states and 1968 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 06:30:11,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:11,463 INFO L93 Difference]: Finished difference Result 2019 states and 2670 transitions. [2023-12-16 06:30:11,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:30:11,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 06:30:11,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:11,471 INFO L225 Difference]: With dead ends: 2019 [2023-12-16 06:30:11,471 INFO L226 Difference]: Without dead ends: 1252 [2023-12-16 06:30:11,476 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 06:30:11,479 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 4945 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:11,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4945 Valid, 776 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 06:30:11,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2023-12-16 06:30:11,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1252. [2023-12-16 06:30:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1230 states have (on average 1.3585365853658538) internal successors, (1671), 1251 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states 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 06:30:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1671 transitions. [2023-12-16 06:30:11,504 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1671 transitions. Word has length 85 [2023-12-16 06:30:11,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:11,504 INFO L495 AbstractCegarLoop]: Abstraction has 1252 states and 1671 transitions. [2023-12-16 06:30:11,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 06:30:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1671 transitions. [2023-12-16 06:30:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-16 06:30:11,507 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:11,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:11,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 06:30:11,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:11,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:11,509 INFO L85 PathProgramCache]: Analyzing trace with hash 828162727, now seen corresponding path program 1 times [2023-12-16 06:30:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:11,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138101700] [2023-12-16 06:30:11,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:11,639 INFO 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 06:30:11,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:11,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138101700] [2023-12-16 06:30:11,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138101700] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:11,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:11,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:30:11,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518677669] [2023-12-16 06:30:11,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:11,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:30:11,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:11,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:30:11,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:30:11,641 INFO L87 Difference]: Start difference. First operand 1252 states and 1671 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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 06:30:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:12,394 INFO L93 Difference]: Finished difference Result 1818 states and 2439 transitions. [2023-12-16 06:30:12,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:30:12,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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 06:30:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:12,400 INFO L225 Difference]: With dead ends: 1818 [2023-12-16 06:30:12,400 INFO L226 Difference]: Without dead ends: 1161 [2023-12-16 06:30:12,401 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 06:30:12,402 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 4635 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4635 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:12,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4635 Valid, 735 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 06:30:12,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2023-12-16 06:30:12,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2023-12-16 06:30:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1139 states have (on average 1.3722563652326603) internal successors, (1563), 1160 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states 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 06:30:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1563 transitions. [2023-12-16 06:30:12,423 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1563 transitions. Word has length 86 [2023-12-16 06:30:12,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:12,423 INFO L495 AbstractCegarLoop]: Abstraction has 1161 states and 1563 transitions. [2023-12-16 06:30:12,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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 06:30:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1563 transitions. [2023-12-16 06:30:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-16 06:30:12,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:12,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:12,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 06:30:12,427 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:12,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:12,427 INFO L85 PathProgramCache]: Analyzing trace with hash -379387896, now seen corresponding path program 1 times [2023-12-16 06:30:12,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:12,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2762197] [2023-12-16 06:30:12,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:12,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:12,551 INFO 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 06:30:12,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:12,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2762197] [2023-12-16 06:30:12,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2762197] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:12,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:12,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:30:12,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249094761] [2023-12-16 06:30:12,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:12,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:30:12,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:12,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:30:12,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:30:12,554 INFO L87 Difference]: Start difference. First operand 1161 states and 1563 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 06:30:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:13,146 INFO L93 Difference]: Finished difference Result 1480 states and 1959 transitions. [2023-12-16 06:30:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:30:13,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-16 06:30:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:13,150 INFO L225 Difference]: With dead ends: 1480 [2023-12-16 06:30:13,150 INFO L226 Difference]: Without dead ends: 896 [2023-12-16 06:30:13,151 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 06:30:13,152 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 3516 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:13,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 590 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:30:13,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2023-12-16 06:30:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2023-12-16 06:30:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 874 states have (on average 1.3787185354691076) internal successors, (1205), 895 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states 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 06:30:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1205 transitions. [2023-12-16 06:30:13,207 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1205 transitions. Word has length 87 [2023-12-16 06:30:13,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:13,207 INFO L495 AbstractCegarLoop]: Abstraction has 896 states and 1205 transitions. [2023-12-16 06:30:13,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 06:30:13,208 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1205 transitions. [2023-12-16 06:30:13,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-16 06:30:13,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:13,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:30:13,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 06:30:13,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:13,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:13,211 INFO L85 PathProgramCache]: Analyzing trace with hash -211366857, now seen corresponding path program 1 times [2023-12-16 06:30:13,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:13,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667754939] [2023-12-16 06:30:13,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:13,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:13,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:13,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667754939] [2023-12-16 06:30:13,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667754939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:13,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:13,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:30:13,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167090657] [2023-12-16 06:30:13,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:13,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:30:13,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:13,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:30:13,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:30:13,359 INFO L87 Difference]: Start difference. First operand 896 states and 1205 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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 06:30:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:13,770 INFO L93 Difference]: Finished difference Result 1085 states and 1422 transitions. [2023-12-16 06:30:13,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:30:13,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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 06:30:13,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:13,773 INFO L225 Difference]: With dead ends: 1085 [2023-12-16 06:30:13,773 INFO L226 Difference]: Without dead ends: 637 [2023-12-16 06:30:13,774 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 06:30:13,775 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 2443 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:13,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 468 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:30:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2023-12-16 06:30:13,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2023-12-16 06:30:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.383739837398374) internal successors, (851), 636 states have internal predecessors, (851), 0 states have call successors, (0), 0 states 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 06:30:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 851 transitions. [2023-12-16 06:30:13,785 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 851 transitions. Word has length 88 [2023-12-16 06:30:13,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:13,785 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 851 transitions. [2023-12-16 06:30:13,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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 06:30:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 851 transitions. [2023-12-16 06:30:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-16 06:30:13,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:13,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:13,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 06:30:13,788 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:13,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:13,788 INFO L85 PathProgramCache]: Analyzing trace with hash 328508839, now seen corresponding path program 1 times [2023-12-16 06:30:13,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:13,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167206680] [2023-12-16 06:30:13,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:13,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:14,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:14,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167206680] [2023-12-16 06:30:14,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167206680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:14,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:14,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:30:14,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117152110] [2023-12-16 06:30:14,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:14,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:30:14,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:14,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:30:14,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:30:14,302 INFO L87 Difference]: Start difference. First operand 637 states and 851 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 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) [2023-12-16 06:30:16,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:16,067 INFO L93 Difference]: Finished difference Result 1253 states and 1694 transitions. [2023-12-16 06:30:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-16 06:30:16,068 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 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) Word has length 89 [2023-12-16 06:30:16,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:16,072 INFO L225 Difference]: With dead ends: 1253 [2023-12-16 06:30:16,072 INFO L226 Difference]: Without dead ends: 1167 [2023-12-16 06:30:16,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2023-12-16 06:30:16,074 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 2627 mSDsluCounter, 2985 mSDsCounter, 0 mSdLazyCounter, 3042 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 3501 SdHoareTripleChecker+Invalid, 3050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:16,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 3501 Invalid, 3050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3042 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 06:30:16,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2023-12-16 06:30:16,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 650. [2023-12-16 06:30:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3853503184713376) internal successors, (870), 649 states have internal predecessors, (870), 0 states have call successors, (0), 0 states 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 06:30:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 870 transitions. [2023-12-16 06:30:16,089 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 870 transitions. Word has length 89 [2023-12-16 06:30:16,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:16,090 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 870 transitions. [2023-12-16 06:30:16,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 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) [2023-12-16 06:30:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 870 transitions. [2023-12-16 06:30:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-16 06:30:16,091 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:16,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:16,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 06:30:16,092 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:16,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:16,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1518979119, now seen corresponding path program 1 times [2023-12-16 06:30:16,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:16,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888872893] [2023-12-16 06:30:16,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:16,559 INFO 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 06:30:16,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:16,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888872893] [2023-12-16 06:30:16,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888872893] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:16,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:16,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:16,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351694800] [2023-12-16 06:30:16,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:16,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:16,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:16,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:16,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:16,564 INFO L87 Difference]: Start difference. First operand 650 states and 870 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) [2023-12-16 06:30:17,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:17,863 INFO L93 Difference]: Finished difference Result 1328 states and 1813 transitions. [2023-12-16 06:30:17,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:30:17,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) Word has length 89 [2023-12-16 06:30:17,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:17,868 INFO L225 Difference]: With dead ends: 1328 [2023-12-16 06:30:17,868 INFO L226 Difference]: Without dead ends: 1136 [2023-12-16 06:30:17,869 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 06:30:17,870 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 3159 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 2223 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:17,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 2788 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2223 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 06:30:17,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-12-16 06:30:17,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 637. [2023-12-16 06:30:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3821138211382114) internal successors, (850), 636 states have internal predecessors, (850), 0 states have call successors, (0), 0 states 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 06:30:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 850 transitions. [2023-12-16 06:30:17,883 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 850 transitions. Word has length 89 [2023-12-16 06:30:17,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:17,883 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 850 transitions. [2023-12-16 06:30:17,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) [2023-12-16 06:30:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 850 transitions. [2023-12-16 06:30:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-16 06:30:17,885 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:17,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:17,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 06:30:17,885 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:17,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:17,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1669555108, now seen corresponding path program 1 times [2023-12-16 06:30:17,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:17,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762625717] [2023-12-16 06:30:17,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:17,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:18,207 INFO 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 06:30:18,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:18,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762625717] [2023-12-16 06:30:18,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762625717] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:18,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:18,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:18,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820982891] [2023-12-16 06:30:18,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:18,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:18,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:18,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:18,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:18,210 INFO L87 Difference]: Start difference. First operand 637 states and 850 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) [2023-12-16 06:30:19,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:19,572 INFO L93 Difference]: Finished difference Result 1255 states and 1717 transitions. [2023-12-16 06:30:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:30:19,573 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) Word has length 89 [2023-12-16 06:30:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:19,577 INFO L225 Difference]: With dead ends: 1255 [2023-12-16 06:30:19,577 INFO L226 Difference]: Without dead ends: 1131 [2023-12-16 06:30:19,577 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 06:30:19,578 INFO L413 NwaCegarLoop]: 679 mSDtfsCounter, 2985 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 2489 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2985 SdHoareTripleChecker+Valid, 3323 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:19,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2985 Valid, 3323 Invalid, 2493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2489 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 06:30:19,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2023-12-16 06:30:19,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 637. [2023-12-16 06:30:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3804878048780487) internal successors, (849), 636 states have internal predecessors, (849), 0 states have call successors, (0), 0 states 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 06:30:19,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 849 transitions. [2023-12-16 06:30:19,590 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 849 transitions. Word has length 89 [2023-12-16 06:30:19,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:19,590 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 849 transitions. [2023-12-16 06:30:19,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) [2023-12-16 06:30:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 849 transitions. [2023-12-16 06:30:19,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-16 06:30:19,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:19,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:30:19,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 06:30:19,592 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:19,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash 231777635, now seen corresponding path program 1 times [2023-12-16 06:30:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:19,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786845983] [2023-12-16 06:30:19,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:19,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:19,904 INFO 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 06:30:19,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:19,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786845983] [2023-12-16 06:30:19,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786845983] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:19,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:19,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 06:30:19,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423369110] [2023-12-16 06:30:19,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:19,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 06:30:19,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:19,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 06:30:19,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:30:19,906 INFO L87 Difference]: Start difference. First operand 637 states and 849 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 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) [2023-12-16 06:30:20,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:20,598 INFO L93 Difference]: Finished difference Result 1200 states and 1559 transitions. [2023-12-16 06:30:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:30:20,598 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 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) Word has length 89 [2023-12-16 06:30:20,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:20,601 INFO L225 Difference]: With dead ends: 1200 [2023-12-16 06:30:20,601 INFO L226 Difference]: Without dead ends: 854 [2023-12-16 06:30:20,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:30:20,603 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 3336 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3336 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:20,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3336 Valid, 1028 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:30:20,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2023-12-16 06:30:20,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 637. [2023-12-16 06:30:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3788617886178862) internal successors, (848), 636 states have internal predecessors, (848), 0 states have call successors, (0), 0 states 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 06:30:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 848 transitions. [2023-12-16 06:30:20,616 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 848 transitions. Word has length 89 [2023-12-16 06:30:20,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:20,617 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 848 transitions. [2023-12-16 06:30:20,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 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) [2023-12-16 06:30:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 848 transitions. [2023-12-16 06:30:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:20,618 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:20,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:20,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 06:30:20,619 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:20,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:20,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1427714440, now seen corresponding path program 1 times [2023-12-16 06:30:20,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:20,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433240150] [2023-12-16 06:30:20,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:20,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:20,904 INFO 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 06:30:20,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:20,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433240150] [2023-12-16 06:30:20,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433240150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:20,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:20,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:20,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142085405] [2023-12-16 06:30:20,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:20,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:20,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:20,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:20,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:20,906 INFO L87 Difference]: Start difference. First operand 637 states and 848 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:22,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:22,018 INFO L93 Difference]: Finished difference Result 1194 states and 1614 transitions. [2023-12-16 06:30:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:22,018 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:22,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:22,021 INFO L225 Difference]: With dead ends: 1194 [2023-12-16 06:30:22,021 INFO L226 Difference]: Without dead ends: 1108 [2023-12-16 06:30:22,023 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 06:30:22,023 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 3750 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:22,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3750 Valid, 2226 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1828 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:30:22,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-16 06:30:22,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-16 06:30:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3772357723577235) internal successors, (847), 636 states have internal predecessors, (847), 0 states have call successors, (0), 0 states 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 06:30:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 847 transitions. [2023-12-16 06:30:22,036 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 847 transitions. Word has length 91 [2023-12-16 06:30:22,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:22,036 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 847 transitions. [2023-12-16 06:30:22,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 847 transitions. [2023-12-16 06:30:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:22,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:22,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:22,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 06:30:22,038 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:22,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:22,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1221078273, now seen corresponding path program 1 times [2023-12-16 06:30:22,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:22,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436308107] [2023-12-16 06:30:22,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:22,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:22,389 INFO 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 06:30:22,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:22,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436308107] [2023-12-16 06:30:22,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436308107] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:22,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:22,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:22,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346989724] [2023-12-16 06:30:22,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:22,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:22,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:22,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:22,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:22,391 INFO L87 Difference]: Start difference. First operand 637 states and 847 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:23,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:23,469 INFO L93 Difference]: Finished difference Result 1081 states and 1437 transitions. [2023-12-16 06:30:23,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:23,469 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:23,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:23,473 INFO L225 Difference]: With dead ends: 1081 [2023-12-16 06:30:23,473 INFO L226 Difference]: Without dead ends: 1076 [2023-12-16 06:30:23,473 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 06:30:23,474 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 3681 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3681 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:23,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3681 Valid, 2140 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1828 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:30:23,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2023-12-16 06:30:23,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 637. [2023-12-16 06:30:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3756097560975609) internal successors, (846), 636 states have internal predecessors, (846), 0 states have call successors, (0), 0 states 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 06:30:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 846 transitions. [2023-12-16 06:30:23,486 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 846 transitions. Word has length 91 [2023-12-16 06:30:23,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:23,486 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 846 transitions. [2023-12-16 06:30:23,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 846 transitions. [2023-12-16 06:30:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:23,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:23,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:23,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 06:30:23,488 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:23,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:23,489 INFO L85 PathProgramCache]: Analyzing trace with hash 207011855, now seen corresponding path program 1 times [2023-12-16 06:30:23,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:23,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095128239] [2023-12-16 06:30:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:23,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:23,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:23,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095128239] [2023-12-16 06:30:23,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095128239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:23,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:23,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:23,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166521565] [2023-12-16 06:30:23,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:23,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:23,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:23,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:23,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:23,787 INFO L87 Difference]: Start difference. First operand 637 states and 846 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:25,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:25,086 INFO L93 Difference]: Finished difference Result 1269 states and 1723 transitions. [2023-12-16 06:30:25,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:30:25,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:25,089 INFO L225 Difference]: With dead ends: 1269 [2023-12-16 06:30:25,089 INFO L226 Difference]: Without dead ends: 1131 [2023-12-16 06:30:25,090 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 06:30:25,090 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 2938 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 3358 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:25,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 3358 Invalid, 2476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2472 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 06:30:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2023-12-16 06:30:25,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 637. [2023-12-16 06:30:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3739837398373984) internal successors, (845), 636 states have internal predecessors, (845), 0 states have call successors, (0), 0 states 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 06:30:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 845 transitions. [2023-12-16 06:30:25,101 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 845 transitions. Word has length 91 [2023-12-16 06:30:25,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:25,102 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 845 transitions. [2023-12-16 06:30:25,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:25,102 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 845 transitions. [2023-12-16 06:30:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:25,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:25,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:25,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 06:30:25,104 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:25,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:25,104 INFO L85 PathProgramCache]: Analyzing trace with hash -982216986, now seen corresponding path program 1 times [2023-12-16 06:30:25,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:25,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23382731] [2023-12-16 06:30:25,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:25,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:25,482 INFO 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 06:30:25,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:25,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23382731] [2023-12-16 06:30:25,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23382731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:25,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:25,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:30:25,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22856991] [2023-12-16 06:30:25,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:25,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:30:25,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:25,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:30:25,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:30:25,484 INFO L87 Difference]: Start difference. First operand 637 states and 845 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:26,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:26,745 INFO L93 Difference]: Finished difference Result 1268 states and 1699 transitions. [2023-12-16 06:30:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-16 06:30:26,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:26,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:26,748 INFO L225 Difference]: With dead ends: 1268 [2023-12-16 06:30:26,749 INFO L226 Difference]: Without dead ends: 1177 [2023-12-16 06:30:26,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2023-12-16 06:30:26,750 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 4435 mSDsluCounter, 2355 mSDsCounter, 0 mSdLazyCounter, 2315 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4435 SdHoareTripleChecker+Valid, 2841 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:26,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4435 Valid, 2841 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2315 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 06:30:26,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-16 06:30:26,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 650. [2023-12-16 06:30:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.375796178343949) internal successors, (864), 649 states have internal predecessors, (864), 0 states have call successors, (0), 0 states 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 06:30:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 864 transitions. [2023-12-16 06:30:26,761 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 864 transitions. Word has length 91 [2023-12-16 06:30:26,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:26,761 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 864 transitions. [2023-12-16 06:30:26,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 864 transitions. [2023-12-16 06:30:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:26,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:26,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:26,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 06:30:26,763 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:26,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1680995533, now seen corresponding path program 1 times [2023-12-16 06:30:26,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:26,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650649941] [2023-12-16 06:30:26,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:26,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:27,054 INFO 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 06:30:27,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:27,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650649941] [2023-12-16 06:30:27,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650649941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:27,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:27,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:27,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72167170] [2023-12-16 06:30:27,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:27,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:27,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:27,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:27,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:27,057 INFO L87 Difference]: Start difference. First operand 650 states and 864 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:28,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:28,154 INFO L93 Difference]: Finished difference Result 1358 states and 1831 transitions. [2023-12-16 06:30:28,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:28,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:28,157 INFO L225 Difference]: With dead ends: 1358 [2023-12-16 06:30:28,157 INFO L226 Difference]: Without dead ends: 1136 [2023-12-16 06:30:28,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-16 06:30:28,158 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 2403 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 2855 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:28,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 2855 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:30:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-12-16 06:30:28,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 637. [2023-12-16 06:30:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3723577235772357) internal successors, (844), 636 states have internal predecessors, (844), 0 states have call successors, (0), 0 states 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 06:30:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 844 transitions. [2023-12-16 06:30:28,169 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 844 transitions. Word has length 91 [2023-12-16 06:30:28,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:28,169 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 844 transitions. [2023-12-16 06:30:28,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 844 transitions. [2023-12-16 06:30:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:28,171 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:28,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:28,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 06:30:28,171 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:28,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1988895487, now seen corresponding path program 1 times [2023-12-16 06:30:28,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:28,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506068003] [2023-12-16 06:30:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:28,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:28,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:28,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506068003] [2023-12-16 06:30:28,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506068003] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:28,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:28,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:28,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687460235] [2023-12-16 06:30:28,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:28,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:28,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:28,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:28,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:28,433 INFO L87 Difference]: Start difference. First operand 637 states and 844 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:29,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:29,473 INFO L93 Difference]: Finished difference Result 1194 states and 1609 transitions. [2023-12-16 06:30:29,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:29,474 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:29,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:29,476 INFO L225 Difference]: With dead ends: 1194 [2023-12-16 06:30:29,476 INFO L226 Difference]: Without dead ends: 1108 [2023-12-16 06:30:29,477 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 06:30:29,477 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 3734 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3734 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:29,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3734 Valid, 2226 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:30:29,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-16 06:30:29,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-16 06:30:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3707317073170733) internal successors, (843), 636 states have internal predecessors, (843), 0 states have call successors, (0), 0 states 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 06:30:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 843 transitions. [2023-12-16 06:30:29,488 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 843 transitions. Word has length 91 [2023-12-16 06:30:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:29,489 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 843 transitions. [2023-12-16 06:30:29,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 843 transitions. [2023-12-16 06:30:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:29,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:29,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:29,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 06:30:29,491 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:29,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:29,491 INFO L85 PathProgramCache]: Analyzing trace with hash 646324256, now seen corresponding path program 1 times [2023-12-16 06:30:29,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:29,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280338304] [2023-12-16 06:30:29,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:29,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:29,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280338304] [2023-12-16 06:30:29,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280338304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:29,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:29,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:29,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466520101] [2023-12-16 06:30:29,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:29,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:29,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:29,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:29,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:29,725 INFO L87 Difference]: Start difference. First operand 637 states and 843 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:30,810 INFO L93 Difference]: Finished difference Result 1190 states and 1604 transitions. [2023-12-16 06:30:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:30,810 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:30,813 INFO L225 Difference]: With dead ends: 1190 [2023-12-16 06:30:30,813 INFO L226 Difference]: Without dead ends: 1108 [2023-12-16 06:30:30,813 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 06:30:30,814 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 2528 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:30,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 2181 Invalid, 1809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:30:30,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-16 06:30:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-16 06:30:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3691056910569106) internal successors, (842), 636 states have internal predecessors, (842), 0 states have call successors, (0), 0 states 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 06:30:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 842 transitions. [2023-12-16 06:30:30,825 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 842 transitions. Word has length 91 [2023-12-16 06:30:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:30,825 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 842 transitions. [2023-12-16 06:30:30,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 842 transitions. [2023-12-16 06:30:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:30,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:30,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:30,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 06:30:30,828 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:30,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:30,828 INFO L85 PathProgramCache]: Analyzing trace with hash 850721804, now seen corresponding path program 1 times [2023-12-16 06:30:30,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:30,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456842925] [2023-12-16 06:30:30,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:30,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:31,056 INFO 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 06:30:31,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:31,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456842925] [2023-12-16 06:30:31,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456842925] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:31,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:31,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:31,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380116669] [2023-12-16 06:30:31,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:31,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:31,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:31,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:31,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:31,058 INFO L87 Difference]: Start difference. First operand 637 states and 842 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:32,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:32,117 INFO L93 Difference]: Finished difference Result 1194 states and 1606 transitions. [2023-12-16 06:30:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:32,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:32,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:32,120 INFO L225 Difference]: With dead ends: 1194 [2023-12-16 06:30:32,121 INFO L226 Difference]: Without dead ends: 1108 [2023-12-16 06:30:32,121 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 06:30:32,122 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 3726 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3726 SdHoareTripleChecker+Valid, 2224 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:32,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3726 Valid, 2224 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:30:32,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-16 06:30:32,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-16 06:30:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.367479674796748) internal successors, (841), 636 states have internal predecessors, (841), 0 states have call successors, (0), 0 states 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 06:30:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 841 transitions. [2023-12-16 06:30:32,132 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 841 transitions. Word has length 91 [2023-12-16 06:30:32,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:32,132 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 841 transitions. [2023-12-16 06:30:32,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 841 transitions. [2023-12-16 06:30:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 06:30:32,134 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:32,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:32,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 06:30:32,134 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:32,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:32,135 INFO L85 PathProgramCache]: Analyzing trace with hash 2041192084, now seen corresponding path program 1 times [2023-12-16 06:30:32,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:32,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905548827] [2023-12-16 06:30:32,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:32,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:32,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:32,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:32,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905548827] [2023-12-16 06:30:32,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905548827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:32,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:32,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:30:32,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194328518] [2023-12-16 06:30:32,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:32,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:30:32,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:32,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:30:32,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:30:32,623 INFO L87 Difference]: Start difference. First operand 637 states and 841 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:35,080 INFO L93 Difference]: Finished difference Result 1937 states and 2697 transitions. [2023-12-16 06:30:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-16 06:30:35,081 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 06:30:35,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:35,085 INFO L225 Difference]: With dead ends: 1937 [2023-12-16 06:30:35,085 INFO L226 Difference]: Without dead ends: 1799 [2023-12-16 06:30:35,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-16 06:30:35,086 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 5765 mSDsluCounter, 4011 mSDsCounter, 0 mSdLazyCounter, 4270 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5765 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 4473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 4270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:35,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5765 Valid, 5103 Invalid, 4473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 4270 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-16 06:30:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2023-12-16 06:30:35,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 641. [2023-12-16 06:30:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3651050080775444) internal successors, (845), 640 states have internal predecessors, (845), 0 states have call successors, (0), 0 states 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 06:30:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 845 transitions. [2023-12-16 06:30:35,102 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 845 transitions. Word has length 91 [2023-12-16 06:30:35,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:35,103 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 845 transitions. [2023-12-16 06:30:35,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 06:30:35,103 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 845 transitions. [2023-12-16 06:30:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-16 06:30:35,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:35,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:30:35,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 06:30:35,105 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:35,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:35,106 INFO L85 PathProgramCache]: Analyzing trace with hash 119251772, now seen corresponding path program 1 times [2023-12-16 06:30:35,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:35,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982506814] [2023-12-16 06:30:35,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:35,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:35,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:35,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982506814] [2023-12-16 06:30:35,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982506814] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:35,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:35,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917034693] [2023-12-16 06:30:35,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:35,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:35,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:35,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:35,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:35,418 INFO L87 Difference]: Start difference. First operand 641 states and 845 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 06:30:36,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:36,611 INFO L93 Difference]: Finished difference Result 1269 states and 1720 transitions. [2023-12-16 06:30:36,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:36,612 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-12-16 06:30:36,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:36,614 INFO L225 Difference]: With dead ends: 1269 [2023-12-16 06:30:36,614 INFO L226 Difference]: Without dead ends: 1131 [2023-12-16 06:30:36,615 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 06:30:36,616 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 2885 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:36,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2885 Valid, 3320 Invalid, 2612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2609 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 06:30:36,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2023-12-16 06:30:36,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 637. [2023-12-16 06:30:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3658536585365855) internal successors, (840), 636 states have internal predecessors, (840), 0 states have call successors, (0), 0 states 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 06:30:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 840 transitions. [2023-12-16 06:30:36,627 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 840 transitions. Word has length 92 [2023-12-16 06:30:36,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:36,627 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 840 transitions. [2023-12-16 06:30:36,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 06:30:36,627 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 840 transitions. [2023-12-16 06:30:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 06:30:36,629 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:36,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:30:36,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 06:30:36,629 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:36,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:36,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1474627327, now seen corresponding path program 1 times [2023-12-16 06:30:36,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:36,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358340043] [2023-12-16 06:30:36,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:36,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:36,866 INFO 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 06:30:36,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:36,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358340043] [2023-12-16 06:30:36,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358340043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:36,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:36,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:36,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082690274] [2023-12-16 06:30:36,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:36,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:36,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:36,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:36,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:36,869 INFO L87 Difference]: Start difference. First operand 637 states and 840 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:37,804 INFO L93 Difference]: Finished difference Result 1199 states and 1607 transitions. [2023-12-16 06:30:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:37,804 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-16 06:30:37,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:37,807 INFO L225 Difference]: With dead ends: 1199 [2023-12-16 06:30:37,807 INFO L226 Difference]: Without dead ends: 1108 [2023-12-16 06:30:37,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-16 06:30:37,808 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 4198 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4198 SdHoareTripleChecker+Valid, 2031 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:37,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4198 Valid, 2031 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 06:30:37,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-16 06:30:37,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-16 06:30:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3642276422764228) internal successors, (839), 636 states have internal predecessors, (839), 0 states have call successors, (0), 0 states 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 06:30:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 839 transitions. [2023-12-16 06:30:37,817 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 839 transitions. Word has length 93 [2023-12-16 06:30:37,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:37,817 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 839 transitions. [2023-12-16 06:30:37,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 839 transitions. [2023-12-16 06:30:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 06:30:37,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:37,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:37,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 06:30:37,819 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:37,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:37,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1188585192, now seen corresponding path program 1 times [2023-12-16 06:30:37,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:37,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466604941] [2023-12-16 06:30:37,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:37,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:38,058 INFO 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 06:30:38,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:38,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466604941] [2023-12-16 06:30:38,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466604941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:38,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:38,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:38,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932327752] [2023-12-16 06:30:38,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:38,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:38,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:38,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:38,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:38,060 INFO L87 Difference]: Start difference. First operand 637 states and 839 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:39,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:39,107 INFO L93 Difference]: Finished difference Result 1232 states and 1658 transitions. [2023-12-16 06:30:39,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:30:39,112 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-16 06:30:39,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:39,115 INFO L225 Difference]: With dead ends: 1232 [2023-12-16 06:30:39,115 INFO L226 Difference]: Without dead ends: 1124 [2023-12-16 06:30:39,116 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 06:30:39,117 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 2215 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 2184 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:39,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 3066 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2184 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:30:39,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2023-12-16 06:30:39,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 637. [2023-12-16 06:30:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3626016260162601) internal successors, (838), 636 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 06:30:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 838 transitions. [2023-12-16 06:30:39,125 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 838 transitions. Word has length 93 [2023-12-16 06:30:39,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:39,125 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 838 transitions. [2023-12-16 06:30:39,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 838 transitions. [2023-12-16 06:30:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 06:30:39,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:39,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:39,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-16 06:30:39,127 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:39,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:39,128 INFO L85 PathProgramCache]: Analyzing trace with hash -281811597, now seen corresponding path program 1 times [2023-12-16 06:30:39,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:39,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42487652] [2023-12-16 06:30:39,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:39,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:39,342 INFO 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 06:30:39,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:39,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42487652] [2023-12-16 06:30:39,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42487652] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:39,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:39,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:39,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336199995] [2023-12-16 06:30:39,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:39,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:39,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:39,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:39,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:39,345 INFO L87 Difference]: Start difference. First operand 637 states and 838 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:40,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:40,362 INFO L93 Difference]: Finished difference Result 1155 states and 1538 transitions. [2023-12-16 06:30:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:40,362 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-16 06:30:40,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:40,366 INFO L225 Difference]: With dead ends: 1155 [2023-12-16 06:30:40,366 INFO L226 Difference]: Without dead ends: 1076 [2023-12-16 06:30:40,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-16 06:30:40,367 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 3522 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 1895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:40,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 2279 Invalid, 1895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:30:40,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2023-12-16 06:30:40,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 637. [2023-12-16 06:30:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3609756097560977) internal successors, (837), 636 states have internal predecessors, (837), 0 states have call successors, (0), 0 states 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 06:30:40,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 837 transitions. [2023-12-16 06:30:40,376 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 837 transitions. Word has length 93 [2023-12-16 06:30:40,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:40,377 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 837 transitions. [2023-12-16 06:30:40,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 837 transitions. [2023-12-16 06:30:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 06:30:40,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:40,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:40,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-16 06:30:40,378 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:40,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:40,379 INFO L85 PathProgramCache]: Analyzing trace with hash -610424553, now seen corresponding path program 1 times [2023-12-16 06:30:40,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:40,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420159763] [2023-12-16 06:30:40,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:40,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:40,766 INFO 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 06:30:40,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:40,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420159763] [2023-12-16 06:30:40,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420159763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:40,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:40,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:30:40,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862013410] [2023-12-16 06:30:40,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:40,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:30:40,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:40,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:30:40,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:30:40,768 INFO L87 Difference]: Start difference. First operand 637 states and 837 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:43,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:43,023 INFO L93 Difference]: Finished difference Result 1967 states and 2715 transitions. [2023-12-16 06:30:43,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-16 06:30:43,024 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-16 06:30:43,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:43,028 INFO L225 Difference]: With dead ends: 1967 [2023-12-16 06:30:43,028 INFO L226 Difference]: Without dead ends: 1814 [2023-12-16 06:30:43,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-16 06:30:43,029 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 5795 mSDsluCounter, 3535 mSDsCounter, 0 mSdLazyCounter, 3872 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5795 SdHoareTripleChecker+Valid, 4639 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 3872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:43,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5795 Valid, 4639 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 3872 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 06:30:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2023-12-16 06:30:43,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 641. [2023-12-16 06:30:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.358642972536349) internal successors, (841), 640 states have internal predecessors, (841), 0 states have call successors, (0), 0 states 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 06:30:43,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 841 transitions. [2023-12-16 06:30:43,047 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 841 transitions. Word has length 93 [2023-12-16 06:30:43,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:43,047 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 841 transitions. [2023-12-16 06:30:43,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 841 transitions. [2023-12-16 06:30:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 06:30:43,049 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:43,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:30:43,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-16 06:30:43,050 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:43,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:43,050 INFO L85 PathProgramCache]: Analyzing trace with hash -603748374, now seen corresponding path program 1 times [2023-12-16 06:30:43,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:43,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408436875] [2023-12-16 06:30:43,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:43,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:43,258 INFO 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 06:30:43,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:43,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408436875] [2023-12-16 06:30:43,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408436875] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:43,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:43,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:43,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808524987] [2023-12-16 06:30:43,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:43,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:43,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:43,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:43,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:43,259 INFO L87 Difference]: Start difference. First operand 641 states and 841 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:44,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:44,219 INFO L93 Difference]: Finished difference Result 1129 states and 1496 transitions. [2023-12-16 06:30:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:30:44,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-16 06:30:44,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:44,221 INFO L225 Difference]: With dead ends: 1129 [2023-12-16 06:30:44,221 INFO L226 Difference]: Without dead ends: 1112 [2023-12-16 06:30:44,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-16 06:30:44,222 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 3633 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3633 SdHoareTripleChecker+Valid, 2323 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:44,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3633 Valid, 2323 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 06:30:44,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2023-12-16 06:30:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 641. [2023-12-16 06:30:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.35702746365105) internal successors, (840), 640 states have internal predecessors, (840), 0 states have call successors, (0), 0 states 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 06:30:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 840 transitions. [2023-12-16 06:30:44,232 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 840 transitions. Word has length 93 [2023-12-16 06:30:44,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:44,232 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 840 transitions. [2023-12-16 06:30:44,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 840 transitions. [2023-12-16 06:30:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 06:30:44,234 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:44,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:44,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-16 06:30:44,234 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:44,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:44,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2059464145, now seen corresponding path program 1 times [2023-12-16 06:30:44,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:44,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406229832] [2023-12-16 06:30:44,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:44,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:44,519 INFO 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 06:30:44,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:44,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406229832] [2023-12-16 06:30:44,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406229832] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:44,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:44,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:44,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931803048] [2023-12-16 06:30:44,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:44,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:44,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:44,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:44,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:44,522 INFO L87 Difference]: Start difference. First operand 641 states and 840 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:45,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:45,681 INFO L93 Difference]: Finished difference Result 1236 states and 1656 transitions. [2023-12-16 06:30:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:30:45,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-16 06:30:45,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:45,683 INFO L225 Difference]: With dead ends: 1236 [2023-12-16 06:30:45,683 INFO L226 Difference]: Without dead ends: 1128 [2023-12-16 06:30:45,684 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 06:30:45,684 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 1910 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 2459 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:45,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 3309 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2459 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 06:30:45,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-12-16 06:30:45,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-12-16 06:30:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3554119547657513) internal successors, (839), 640 states have internal predecessors, (839), 0 states have call successors, (0), 0 states 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 06:30:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 839 transitions. [2023-12-16 06:30:45,693 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 839 transitions. Word has length 93 [2023-12-16 06:30:45,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:45,693 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 839 transitions. [2023-12-16 06:30:45,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 839 transitions. [2023-12-16 06:30:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 06:30:45,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:45,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:45,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-16 06:30:45,695 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:45,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:45,695 INFO L85 PathProgramCache]: Analyzing trace with hash 413378925, now seen corresponding path program 1 times [2023-12-16 06:30:45,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:45,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888854646] [2023-12-16 06:30:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:45,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:45,938 INFO 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 06:30:45,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:45,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888854646] [2023-12-16 06:30:45,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888854646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:45,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:45,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:45,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544188141] [2023-12-16 06:30:45,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:45,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:45,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:45,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:45,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:45,940 INFO L87 Difference]: Start difference. First operand 641 states and 839 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:46,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:30:46,909 INFO L93 Difference]: Finished difference Result 1227 states and 1647 transitions. [2023-12-16 06:30:46,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:30:46,910 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-16 06:30:46,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:30:46,912 INFO L225 Difference]: With dead ends: 1227 [2023-12-16 06:30:46,912 INFO L226 Difference]: Without dead ends: 1128 [2023-12-16 06:30:46,913 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 06:30:46,913 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 3076 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3076 SdHoareTripleChecker+Valid, 2795 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:46,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3076 Valid, 2795 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 06:30:46,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-12-16 06:30:46,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-12-16 06:30:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3537964458804523) internal successors, (838), 640 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 06:30:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 838 transitions. [2023-12-16 06:30:46,923 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 838 transitions. Word has length 93 [2023-12-16 06:30:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:46,923 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 838 transitions. [2023-12-16 06:30:46,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 06:30:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 838 transitions. [2023-12-16 06:30:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 06:30:46,925 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:46,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:30:46,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-16 06:30:46,925 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 06:30:46,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:46,926 INFO L85 PathProgramCache]: Analyzing trace with hash 690949312, now seen corresponding path program 1 times [2023-12-16 06:30:46,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:46,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322106549] [2023-12-16 06:30:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:46,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:47,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:47,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322106549] [2023-12-16 06:30:47,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322106549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:30:47,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:30:47,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:30:47,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67917733] [2023-12-16 06:30:47,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:30:47,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:30:47,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:47,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:30:47,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:30:47,153 INFO L87 Difference]: Start difference. First operand 641 states and 838 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 06:30:47,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 06:30:47,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-12-16 06:30:47,449 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 912 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:47,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 330 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:30:47,450 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (21 of 22 remaining) [2023-12-16 06:30:47,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-16 06:30:47,452 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). [2023-12-16 06:30:47,453 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 22 remaining) [2023-12-16 06:30:47,456 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (19 of 22 remaining) [2023-12-16 06:30:47,456 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (18 of 22 remaining) [2023-12-16 06:30:47,456 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (17 of 22 remaining) [2023-12-16 06:30:47,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (16 of 22 remaining) [2023-12-16 06:30:47,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (15 of 22 remaining) [2023-12-16 06:30:47,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (14 of 22 remaining) [2023-12-16 06:30:47,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (13 of 22 remaining) [2023-12-16 06:30:47,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (12 of 22 remaining) [2023-12-16 06:30:47,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (11 of 22 remaining) [2023-12-16 06:30:47,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (10 of 22 remaining) [2023-12-16 06:30:47,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (9 of 22 remaining) [2023-12-16 06:30:47,458 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (8 of 22 remaining) [2023-12-16 06:30:47,458 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (7 of 22 remaining) [2023-12-16 06:30:47,458 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (6 of 22 remaining) [2023-12-16 06:30:47,458 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (5 of 22 remaining) [2023-12-16 06:30:47,458 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (4 of 22 remaining) [2023-12-16 06:30:47,458 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (3 of 22 remaining) [2023-12-16 06:30:47,458 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (2 of 22 remaining) [2023-12-16 06:30:47,459 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (1 of 22 remaining) [2023-12-16 06:30:47,459 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (0 of 22 remaining) [2023-12-16 06:30:47,462 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] [2023-12-16 06:30:47,465 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 06:30:47,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:30:47 BoogieIcfgContainer [2023-12-16 06:30:47,466 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 06:30:47,467 INFO L158 Benchmark]: Toolchain (without parser) took 48420.57ms. Allocated memory was 272.6MB in the beginning and 914.4MB in the end (delta: 641.7MB). Free memory was 208.1MB in the beginning and 405.9MB in the end (delta: -197.7MB). Peak memory consumption was 444.4MB. Max. memory is 8.0GB. [2023-12-16 06:30:47,467 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 185.6MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 06:30:47,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2034.37ms. Allocated memory was 272.6MB in the beginning and 335.5MB in the end (delta: 62.9MB). Free memory was 207.8MB in the beginning and 215.3MB in the end (delta: -7.5MB). Peak memory consumption was 106.9MB. Max. memory is 8.0GB. [2023-12-16 06:30:47,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 298.35ms. Allocated memory is still 335.5MB. Free memory was 215.3MB in the beginning and 252.5MB in the end (delta: -37.2MB). Peak memory consumption was 64.6MB. Max. memory is 8.0GB. [2023-12-16 06:30:47,467 INFO L158 Benchmark]: Boogie Preprocessor took 393.12ms. Allocated memory is still 335.5MB. Free memory was 252.5MB in the beginning and 228.9MB in the end (delta: 23.6MB). Peak memory consumption was 34.1MB. Max. memory is 8.0GB. [2023-12-16 06:30:47,468 INFO L158 Benchmark]: RCFGBuilder took 4747.70ms. Allocated memory was 335.5MB in the beginning and 529.5MB in the end (delta: 194.0MB). Free memory was 228.9MB in the beginning and 206.9MB in the end (delta: 22.0MB). Peak memory consumption was 217.6MB. Max. memory is 8.0GB. [2023-12-16 06:30:47,468 INFO L158 Benchmark]: TraceAbstraction took 40939.16ms. Allocated memory was 529.5MB in the beginning and 914.4MB in the end (delta: 384.8MB). Free memory was 206.4MB in the beginning and 405.9MB in the end (delta: -199.5MB). Peak memory consumption was 185.3MB. Max. memory is 8.0GB. [2023-12-16 06:30:47,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 185.6MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2034.37ms. Allocated memory was 272.6MB in the beginning and 335.5MB in the end (delta: 62.9MB). Free memory was 207.8MB in the beginning and 215.3MB in the end (delta: -7.5MB). Peak memory consumption was 106.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 298.35ms. Allocated memory is still 335.5MB. Free memory was 215.3MB in the beginning and 252.5MB in the end (delta: -37.2MB). Peak memory consumption was 64.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 393.12ms. Allocated memory is still 335.5MB. Free memory was 252.5MB in the beginning and 228.9MB in the end (delta: 23.6MB). Peak memory consumption was 34.1MB. Max. memory is 8.0GB. * RCFGBuilder took 4747.70ms. Allocated memory was 335.5MB in the beginning and 529.5MB in the end (delta: 194.0MB). Free memory was 228.9MB in the beginning and 206.9MB in the end (delta: 22.0MB). Peak memory consumption was 217.6MB. Max. memory is 8.0GB. * TraceAbstraction took 40939.16ms. Allocated memory was 529.5MB in the beginning and 914.4MB in the end (delta: 384.8MB). Free memory was 206.4MB in the beginning and 405.9MB in the end (delta: -199.5MB). Peak memory consumption was 185.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 18178]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18178). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5328]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5328). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7858]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7858). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 9111]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9111). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 9732]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9732). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 10040]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10040). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 10331]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10331). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 12835]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 12835). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 14076]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 14076). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 14697]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 14697). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 15005]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 15005). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 15296]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 15296). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 16612]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 16612). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 17233]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17233). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 17541]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17541). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 17832]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17832). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 18480]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18480). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 18788]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18788). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19079]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19079). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19399]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19399). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19691]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19691). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19994]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19994). Cancelled while NwaCegarLoop was constructing difference of abstraction (641states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2346 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 40.8s, OverallIterations: 28, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102974 SdHoareTripleChecker+Valid, 27.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102974 mSDsluCounter, 64868 SdHoareTripleChecker+Invalid, 22.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46424 mSDsCounter, 622 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53427 IncrementalHoareTripleChecker+Invalid, 54049 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 622 mSolverCounterUnsat, 18444 mSDtfsCounter, 53427 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 459 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 431 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1536 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2346occurred in iteration=0, InterpolantAutomatonStates: 354, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 27 MinimizatonAttempts, 11237 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 2527 NumberOfCodeBlocks, 2527 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2499 ConstructedInterpolants, 0 QuantifiedInterpolants, 18962 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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