/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 23:32:05,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 23:32:05,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 23:32:05,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 23:32:05,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 23:32:05,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 23:32:05,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 23:32:05,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 23:32:05,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 23:32:05,978 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 23:32:05,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 23:32:05,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 23:32:05,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 23:32:05,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 23:32:05,980 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 23:32:05,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 23:32:05,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 23:32:05,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 23:32:05,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 23:32:05,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 23:32:05,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 23:32:05,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 23:32:05,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 23:32:05,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 23:32:05,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 23:32:05,983 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 23:32:05,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 23:32:05,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 23:32:05,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 23:32:05,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 23:32:05,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 23:32:05,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 23:32:05,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:32:05,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 23:32:05,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 23:32:05,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 23:32:05,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 23:32:05,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 23:32:05,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 23:32:05,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 23:32:05,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 23:32:05,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 23:32:05,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 23:32:05,986 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 23:32:06,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 23:32:06,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 23:32:06,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 23:32:06,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 23:32:06,165 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 23:32:06,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-15 23:32:07,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 23:32:07,567 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 23:32:07,568 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-15 23:32:07,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/475c49078/66e84ccb70104900a10ed417da12c03e/FLAGf2b370382 [2023-12-15 23:32:07,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/475c49078/66e84ccb70104900a10ed417da12c03e [2023-12-15 23:32:07,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 23:32:07,617 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 23:32:07,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 23:32:07,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 23:32:07,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 23:32:07,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:32:07" (1/1) ... [2023-12-15 23:32:07,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc6703e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:07, skipping insertion in model container [2023-12-15 23:32:07,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:32:07" (1/1) ... [2023-12-15 23:32:07,795 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 23:32:08,109 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26799,26812] [2023-12-15 23:32:08,131 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33129,33142] [2023-12-15 23:32:08,245 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57661,57674] [2023-12-15 23:32:08,278 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65696,65709] [2023-12-15 23:32:08,306 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71499,71512] [2023-12-15 23:32:08,338 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82182,82195] [2023-12-15 23:32:08,355 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90107,90120] [2023-12-15 23:32:08,367 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97295,97308] [2023-12-15 23:32:08,452 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[131822,131835] [2023-12-15 23:32:08,468 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[134930,134943] [2023-12-15 23:32:08,479 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[142923,142936] [2023-12-15 23:32:08,496 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[148707,148720] [2023-12-15 23:32:08,535 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[171333,171346] [2023-12-15 23:32:08,574 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199069,199082] [2023-12-15 23:32:08,611 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[225502,225515] [2023-12-15 23:32:08,642 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[252663,252676] [2023-12-15 23:32:08,677 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[283670,283683] [2023-12-15 23:32:08,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:32:08,850 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 23:32:08,921 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26799,26812] [2023-12-15 23:32:08,929 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33129,33142] [2023-12-15 23:32:08,954 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57661,57674] [2023-12-15 23:32:08,964 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65696,65709] [2023-12-15 23:32:08,971 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71499,71512] [2023-12-15 23:32:08,983 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82182,82195] [2023-12-15 23:32:08,992 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90107,90120] [2023-12-15 23:32:09,001 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-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97295,97308] [2023-12-15 23:32:09,037 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[131822,131835] [2023-12-15 23:32:09,041 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-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[134930,134943] [2023-12-15 23:32:09,051 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[142923,142936] [2023-12-15 23:32:09,057 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[148707,148720] [2023-12-15 23:32:09,081 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[171333,171346] [2023-12-15 23:32:09,110 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199069,199082] [2023-12-15 23:32:09,137 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[225502,225515] [2023-12-15 23:32:09,164 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[252663,252676] [2023-12-15 23:32:09,194 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[283670,283683] [2023-12-15 23:32:09,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:32:09,413 INFO L206 MainTranslator]: Completed translation [2023-12-15 23:32:09,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09 WrapperNode [2023-12-15 23:32:09,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 23:32:09,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 23:32:09,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 23:32:09,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 23:32:09,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:09,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:09,672 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17934 [2023-12-15 23:32:09,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 23:32:09,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 23:32:09,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 23:32:09,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 23:32:09,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:09,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:09,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:09,906 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]. [2023-12-15 23:32:09,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:09,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:09,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:10,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:10,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:10,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:10,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 23:32:10,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 23:32:10,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 23:32:10,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 23:32:10,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (1/1) ... [2023-12-15 23:32:10,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:32:10,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:32:10,254 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) [2023-12-15 23:32:10,269 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 [2023-12-15 23:32:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 23:32:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 23:32:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 23:32:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 23:32:10,621 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 23:32:10,623 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 23:32:15,337 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 23:32:15,418 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 23:32:15,418 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-15 23:32:15,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:32:15 BoogieIcfgContainer [2023-12-15 23:32:15,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 23:32:15,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 23:32:15,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 23:32:15,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 23:32:15,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:32:07" (1/3) ... [2023-12-15 23:32:15,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2b519e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:32:15, skipping insertion in model container [2023-12-15 23:32:15,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:32:09" (2/3) ... [2023-12-15 23:32:15,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2b519e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:32:15, skipping insertion in model container [2023-12-15 23:32:15,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:32:15" (3/3) ... [2023-12-15 23:32:15,425 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-15 23:32:15,438 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 23:32:15,438 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-12-15 23:32:15,503 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 23:32:15,507 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;@31c35586, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 23:32:15,507 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-12-15 23:32:15,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 3530 states, 3512 states have (on average 1.826879271070615) internal successors, (6416), 3529 states have internal predecessors, (6416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-15 23:32:15,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:15,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:15,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:15,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:15,558 INFO L85 PathProgramCache]: Analyzing trace with hash 600254357, now seen corresponding path program 1 times [2023-12-15 23:32:15,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:15,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734488031] [2023-12-15 23:32:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:15,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:16,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:16,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734488031] [2023-12-15 23:32:16,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734488031] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:16,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:16,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:32:16,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674576396] [2023-12-15 23:32:16,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:16,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:32:16,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:16,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:32:16,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:32:16,045 INFO L87 Difference]: Start difference. First operand has 3530 states, 3512 states have (on average 1.826879271070615) internal successors, (6416), 3529 states have internal predecessors, (6416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:18,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:18,791 INFO L93 Difference]: Finished difference Result 6032 states and 10776 transitions. [2023-12-15 23:32:18,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:32:18,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-12-15 23:32:18,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:18,812 INFO L225 Difference]: With dead ends: 6032 [2023-12-15 23:32:18,813 INFO L226 Difference]: Without dead ends: 3572 [2023-12-15 23:32:18,819 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 [2023-12-15 23:32:18,821 INFO L413 NwaCegarLoop]: 2768 mSDtfsCounter, 17437 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 2849 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17437 SdHoareTripleChecker+Valid, 3521 SdHoareTripleChecker+Invalid, 2909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:18,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17437 Valid, 3521 Invalid, 2909 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [60 Valid, 2849 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-15 23:32:18,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2023-12-15 23:32:18,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 3552. [2023-12-15 23:32:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3552 states, 3535 states have (on average 1.34992927864215) internal successors, (4772), 3551 states have internal predecessors, (4772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3552 states and 4772 transitions. [2023-12-15 23:32:18,915 INFO L78 Accepts]: Start accepts. Automaton has 3552 states and 4772 transitions. Word has length 63 [2023-12-15 23:32:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:18,915 INFO L495 AbstractCegarLoop]: Abstraction has 3552 states and 4772 transitions. [2023-12-15 23:32:18,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 3552 states and 4772 transitions. [2023-12-15 23:32:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-15 23:32:18,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:18,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:18,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 23:32:18,922 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:18,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:18,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1509750167, now seen corresponding path program 1 times [2023-12-15 23:32:18,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:18,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891294900] [2023-12-15 23:32:18,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:18,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:19,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:19,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891294900] [2023-12-15 23:32:19,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891294900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:19,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:19,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:32:19,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090706277] [2023-12-15 23:32:19,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:19,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:32:19,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:19,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:32:19,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:32:19,078 INFO L87 Difference]: Start difference. First operand 3552 states and 4772 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:21,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:21,115 INFO L93 Difference]: Finished difference Result 6934 states and 9350 transitions. [2023-12-15 23:32:21,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:32:21,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-12-15 23:32:21,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:21,129 INFO L225 Difference]: With dead ends: 6934 [2023-12-15 23:32:21,129 INFO L226 Difference]: Without dead ends: 4768 [2023-12-15 23:32:21,133 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 [2023-12-15 23:32:21,133 INFO L413 NwaCegarLoop]: 1446 mSDtfsCounter, 12422 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 2612 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12422 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 2739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:21,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12422 Valid, 2194 Invalid, 2739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2612 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-15 23:32:21,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4768 states. [2023-12-15 23:32:21,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4768 to 4744. [2023-12-15 23:32:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4744 states, 4727 states have (on average 1.3518087581975884) internal successors, (6390), 4743 states have internal predecessors, (6390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4744 states to 4744 states and 6390 transitions. [2023-12-15 23:32:21,197 INFO L78 Accepts]: Start accepts. Automaton has 4744 states and 6390 transitions. Word has length 63 [2023-12-15 23:32:21,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:21,197 INFO L495 AbstractCegarLoop]: Abstraction has 4744 states and 6390 transitions. [2023-12-15 23:32:21,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 4744 states and 6390 transitions. [2023-12-15 23:32:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-15 23:32:21,203 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:21,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:21,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 23:32:21,204 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:21,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:21,206 INFO L85 PathProgramCache]: Analyzing trace with hash 2141976619, now seen corresponding path program 1 times [2023-12-15 23:32:21,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:21,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788985182] [2023-12-15 23:32:21,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:21,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:21,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:21,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788985182] [2023-12-15 23:32:21,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788985182] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:21,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:21,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:32:21,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822591583] [2023-12-15 23:32:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:21,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:32:21,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:21,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:32:21,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:32:21,369 INFO L87 Difference]: Start difference. First operand 4744 states and 6390 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:22,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:22,867 INFO L93 Difference]: Finished difference Result 9718 states and 13132 transitions. [2023-12-15 23:32:22,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:32:22,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-12-15 23:32:22,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:22,913 INFO L225 Difference]: With dead ends: 9718 [2023-12-15 23:32:22,913 INFO L226 Difference]: Without dead ends: 6619 [2023-12-15 23:32:22,917 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 [2023-12-15 23:32:22,918 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 10937 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10937 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:22,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10937 Valid, 2130 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 23:32:22,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6619 states. [2023-12-15 23:32:23,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6619 to 6592. [2023-12-15 23:32:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6592 states, 6575 states have (on average 1.3586311787072243) internal successors, (8933), 6591 states have internal predecessors, (8933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6592 states to 6592 states and 8933 transitions. [2023-12-15 23:32:23,039 INFO L78 Accepts]: Start accepts. Automaton has 6592 states and 8933 transitions. Word has length 64 [2023-12-15 23:32:23,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:23,039 INFO L495 AbstractCegarLoop]: Abstraction has 6592 states and 8933 transitions. [2023-12-15 23:32:23,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 6592 states and 8933 transitions. [2023-12-15 23:32:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-15 23:32:23,045 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:23,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:23,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 23:32:23,046 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:23,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:23,046 INFO L85 PathProgramCache]: Analyzing trace with hash 767039615, now seen corresponding path program 1 times [2023-12-15 23:32:23,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:23,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122904715] [2023-12-15 23:32:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:23,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:23,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:23,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122904715] [2023-12-15 23:32:23,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122904715] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:23,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:23,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:32:23,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113604952] [2023-12-15 23:32:23,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:23,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:32:23,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:23,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:32:23,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:32:23,209 INFO L87 Difference]: Start difference. First operand 6592 states and 8933 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:24,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:24,287 INFO L93 Difference]: Finished difference Result 12888 states and 17642 transitions. [2023-12-15 23:32:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:32:24,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-12-15 23:32:24,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:24,309 INFO L225 Difference]: With dead ends: 12888 [2023-12-15 23:32:24,309 INFO L226 Difference]: Without dead ends: 8502 [2023-12-15 23:32:24,316 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 [2023-12-15 23:32:24,319 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 9341 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9341 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:24,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9341 Valid, 1839 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 23:32:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8502 states. [2023-12-15 23:32:24,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8502 to 8467. [2023-12-15 23:32:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8467 states, 8450 states have (on average 1.374319526627219) internal successors, (11613), 8466 states have internal predecessors, (11613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8467 states to 8467 states and 11613 transitions. [2023-12-15 23:32:24,470 INFO L78 Accepts]: Start accepts. Automaton has 8467 states and 11613 transitions. Word has length 65 [2023-12-15 23:32:24,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:24,470 INFO L495 AbstractCegarLoop]: Abstraction has 8467 states and 11613 transitions. [2023-12-15 23:32:24,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 8467 states and 11613 transitions. [2023-12-15 23:32:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-15 23:32:24,477 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:24,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:24,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 23:32:24,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:24,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:24,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1941175905, now seen corresponding path program 1 times [2023-12-15 23:32:24,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:24,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649703833] [2023-12-15 23:32:24,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:24,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:24,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:24,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649703833] [2023-12-15 23:32:24,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649703833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:24,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:24,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:32:24,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931693241] [2023-12-15 23:32:24,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:24,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:32:24,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:24,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:32:24,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:32:24,784 INFO L87 Difference]: Start difference. First operand 8467 states and 11613 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:27,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:27,905 INFO L93 Difference]: Finished difference Result 16373 states and 23127 transitions. [2023-12-15 23:32:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:32:27,905 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-12-15 23:32:27,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:27,938 INFO L225 Difference]: With dead ends: 16373 [2023-12-15 23:32:27,938 INFO L226 Difference]: Without dead ends: 15014 [2023-12-15 23:32:27,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-15 23:32:27,946 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 11580 mSDsluCounter, 4726 mSDsCounter, 0 mSdLazyCounter, 6818 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11580 SdHoareTripleChecker+Valid, 6177 SdHoareTripleChecker+Invalid, 6952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 6818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:27,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11580 Valid, 6177 Invalid, 6952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [134 Valid, 6818 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-15 23:32:27,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15014 states. [2023-12-15 23:32:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15014 to 8410. [2023-12-15 23:32:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8410 states, 8393 states have (on average 1.3738829977362088) internal successors, (11531), 8409 states have internal predecessors, (11531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8410 states to 8410 states and 11531 transitions. [2023-12-15 23:32:28,125 INFO L78 Accepts]: Start accepts. Automaton has 8410 states and 11531 transitions. Word has length 65 [2023-12-15 23:32:28,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:28,125 INFO L495 AbstractCegarLoop]: Abstraction has 8410 states and 11531 transitions. [2023-12-15 23:32:28,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 8410 states and 11531 transitions. [2023-12-15 23:32:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-15 23:32:28,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:28,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:28,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 23:32:28,132 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:28,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:28,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1194049603, now seen corresponding path program 1 times [2023-12-15 23:32:28,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:28,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615836442] [2023-12-15 23:32:28,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:28,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:28,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:28,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:28,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615836442] [2023-12-15 23:32:28,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615836442] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:28,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:28,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:32:28,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893161216] [2023-12-15 23:32:28,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:28,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:32:28,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:28,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:32:28,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:32:28,366 INFO L87 Difference]: Start difference. First operand 8410 states and 11531 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:30,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:30,335 INFO L93 Difference]: Finished difference Result 13340 states and 18888 transitions. [2023-12-15 23:32:30,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 23:32:30,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-12-15 23:32:30,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:30,353 INFO L225 Difference]: With dead ends: 13340 [2023-12-15 23:32:30,353 INFO L226 Difference]: Without dead ends: 11875 [2023-12-15 23:32:30,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-15 23:32:30,360 INFO L413 NwaCegarLoop]: 1422 mSDtfsCounter, 10183 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10183 SdHoareTripleChecker+Valid, 4801 SdHoareTripleChecker+Invalid, 4442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:30,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10183 Valid, 4801 Invalid, 4442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-15 23:32:30,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11875 states. [2023-12-15 23:32:30,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11875 to 8259. [2023-12-15 23:32:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8259 states, 8242 states have (on average 1.373331715603009) internal successors, (11319), 8258 states have internal predecessors, (11319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:30,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8259 states to 8259 states and 11319 transitions. [2023-12-15 23:32:30,543 INFO L78 Accepts]: Start accepts. Automaton has 8259 states and 11319 transitions. Word has length 65 [2023-12-15 23:32:30,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:30,544 INFO L495 AbstractCegarLoop]: Abstraction has 8259 states and 11319 transitions. [2023-12-15 23:32:30,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 8259 states and 11319 transitions. [2023-12-15 23:32:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-15 23:32:30,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:30,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:30,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 23:32:30,550 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:30,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:30,551 INFO L85 PathProgramCache]: Analyzing trace with hash -780640952, now seen corresponding path program 1 times [2023-12-15 23:32:30,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:30,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193726679] [2023-12-15 23:32:30,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:30,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:30,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193726679] [2023-12-15 23:32:30,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193726679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:30,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:30,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:32:30,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120269109] [2023-12-15 23:32:30,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:30,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:32:30,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:30,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:32:30,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:32:30,747 INFO L87 Difference]: Start difference. First operand 8259 states and 11319 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:33,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:33,159 INFO L93 Difference]: Finished difference Result 11811 states and 16297 transitions. [2023-12-15 23:32:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 23:32:33,160 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-12-15 23:32:33,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:33,197 INFO L225 Difference]: With dead ends: 11811 [2023-12-15 23:32:33,198 INFO L226 Difference]: Without dead ends: 11803 [2023-12-15 23:32:33,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:32:33,203 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 6702 mSDsluCounter, 4490 mSDsCounter, 0 mSdLazyCounter, 5838 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6702 SdHoareTripleChecker+Valid, 5915 SdHoareTripleChecker+Invalid, 5900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 5838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:33,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6702 Valid, 5915 Invalid, 5900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 5838 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-15 23:32:33,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11803 states. [2023-12-15 23:32:33,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11803 to 8259. [2023-12-15 23:32:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8259 states, 8242 states have (on average 1.3732103858286824) internal successors, (11318), 8258 states have internal predecessors, (11318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:33,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8259 states to 8259 states and 11318 transitions. [2023-12-15 23:32:33,339 INFO L78 Accepts]: Start accepts. Automaton has 8259 states and 11318 transitions. Word has length 66 [2023-12-15 23:32:33,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:33,339 INFO L495 AbstractCegarLoop]: Abstraction has 8259 states and 11318 transitions. [2023-12-15 23:32:33,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 8259 states and 11318 transitions. [2023-12-15 23:32:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-15 23:32:33,345 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:33,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:33,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 23:32:33,345 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:33,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:33,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1912274000, now seen corresponding path program 1 times [2023-12-15 23:32:33,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:33,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115322619] [2023-12-15 23:32:33,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:33,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:33,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:33,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115322619] [2023-12-15 23:32:33,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115322619] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:33,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:33,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:32:33,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371031709] [2023-12-15 23:32:33,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:33,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:32:33,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:33,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:32:33,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:32:33,549 INFO L87 Difference]: Start difference. First operand 8259 states and 11318 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:35,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:35,961 INFO L93 Difference]: Finished difference Result 9699 states and 13329 transitions. [2023-12-15 23:32:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 23:32:35,961 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-12-15 23:32:35,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:35,974 INFO L225 Difference]: With dead ends: 9699 [2023-12-15 23:32:35,974 INFO L226 Difference]: Without dead ends: 9694 [2023-12-15 23:32:35,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-12-15 23:32:35,978 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 8018 mSDsluCounter, 5351 mSDsCounter, 0 mSdLazyCounter, 5948 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8018 SdHoareTripleChecker+Valid, 6730 SdHoareTripleChecker+Invalid, 5968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 5948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:35,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8018 Valid, 6730 Invalid, 5968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 5948 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-15 23:32:35,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9694 states. [2023-12-15 23:32:36,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9694 to 8259. [2023-12-15 23:32:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8259 states, 8242 states have (on average 1.3730890560543558) internal successors, (11317), 8258 states have internal predecessors, (11317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8259 states to 8259 states and 11317 transitions. [2023-12-15 23:32:36,093 INFO L78 Accepts]: Start accepts. Automaton has 8259 states and 11317 transitions. Word has length 66 [2023-12-15 23:32:36,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:36,094 INFO L495 AbstractCegarLoop]: Abstraction has 8259 states and 11317 transitions. [2023-12-15 23:32:36,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 8259 states and 11317 transitions. [2023-12-15 23:32:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-15 23:32:36,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:36,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:36,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 23:32:36,102 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:36,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:36,102 INFO L85 PathProgramCache]: Analyzing trace with hash -143652767, now seen corresponding path program 1 times [2023-12-15 23:32:36,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:36,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574783805] [2023-12-15 23:32:36,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:36,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:36,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:36,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574783805] [2023-12-15 23:32:36,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574783805] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:36,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:36,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 23:32:36,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326825730] [2023-12-15 23:32:36,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:36,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 23:32:36,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:36,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 23:32:36,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-15 23:32:36,572 INFO L87 Difference]: Start difference. First operand 8259 states and 11317 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:37,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:37,976 INFO L93 Difference]: Finished difference Result 17184 states and 24825 transitions. [2023-12-15 23:32:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:32:38,004 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-12-15 23:32:38,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:38,024 INFO L225 Difference]: With dead ends: 17184 [2023-12-15 23:32:38,025 INFO L226 Difference]: Without dead ends: 15822 [2023-12-15 23:32:38,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2023-12-15 23:32:38,034 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 11521 mSDsluCounter, 7261 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11521 SdHoareTripleChecker+Valid, 9750 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:38,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11521 Valid, 9750 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 23:32:38,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15822 states. [2023-12-15 23:32:38,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15822 to 8195. [2023-12-15 23:32:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8195 states, 8179 states have (on average 1.3729062232546767) internal successors, (11229), 8194 states have internal predecessors, (11229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8195 states to 8195 states and 11229 transitions. [2023-12-15 23:32:38,180 INFO L78 Accepts]: Start accepts. Automaton has 8195 states and 11229 transitions. Word has length 66 [2023-12-15 23:32:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:38,180 INFO L495 AbstractCegarLoop]: Abstraction has 8195 states and 11229 transitions. [2023-12-15 23:32:38,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 8195 states and 11229 transitions. [2023-12-15 23:32:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-15 23:32:38,185 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:38,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:38,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 23:32:38,186 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:38,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:38,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1525924249, now seen corresponding path program 1 times [2023-12-15 23:32:38,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:38,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246383599] [2023-12-15 23:32:38,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:38,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:38,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:38,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246383599] [2023-12-15 23:32:38,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246383599] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:38,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:38,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 23:32:38,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660380185] [2023-12-15 23:32:38,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:38,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 23:32:38,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:38,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 23:32:38,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:32:38,645 INFO L87 Difference]: Start difference. First operand 8195 states and 11229 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:39,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:39,865 INFO L93 Difference]: Finished difference Result 15438 states and 22249 transitions. [2023-12-15 23:32:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-15 23:32:39,865 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-12-15 23:32:39,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:39,884 INFO L225 Difference]: With dead ends: 15438 [2023-12-15 23:32:39,884 INFO L226 Difference]: Without dead ends: 15434 [2023-12-15 23:32:39,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-12-15 23:32:39,891 INFO L413 NwaCegarLoop]: 2605 mSDtfsCounter, 12973 mSDsluCounter, 9487 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12973 SdHoareTripleChecker+Valid, 12092 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:39,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12973 Valid, 12092 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:32:39,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15434 states. [2023-12-15 23:32:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15434 to 8191. [2023-12-15 23:32:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8191 states, 8176 states have (on average 1.3729207436399218) internal successors, (11225), 8190 states have internal predecessors, (11225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8191 states to 8191 states and 11225 transitions. [2023-12-15 23:32:40,031 INFO L78 Accepts]: Start accepts. Automaton has 8191 states and 11225 transitions. Word has length 66 [2023-12-15 23:32:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:40,031 INFO L495 AbstractCegarLoop]: Abstraction has 8191 states and 11225 transitions. [2023-12-15 23:32:40,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 8191 states and 11225 transitions. [2023-12-15 23:32:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-15 23:32:40,036 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:40,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:40,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-15 23:32:40,037 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:40,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:40,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2095330879, now seen corresponding path program 1 times [2023-12-15 23:32:40,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:40,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389571562] [2023-12-15 23:32:40,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:40,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:40,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:40,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389571562] [2023-12-15 23:32:40,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389571562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:40,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:40,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:32:40,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635683591] [2023-12-15 23:32:40,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:40,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:32:40,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:40,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:32:40,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:32:40,415 INFO L87 Difference]: Start difference. First operand 8191 states and 11225 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:41,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:41,913 INFO L93 Difference]: Finished difference Result 17395 states and 25113 transitions. [2023-12-15 23:32:41,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:32:41,914 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-15 23:32:41,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:41,928 INFO L225 Difference]: With dead ends: 17395 [2023-12-15 23:32:41,928 INFO L226 Difference]: Without dead ends: 15964 [2023-12-15 23:32:41,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2023-12-15 23:32:41,942 INFO L413 NwaCegarLoop]: 2503 mSDtfsCounter, 11451 mSDsluCounter, 10909 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11451 SdHoareTripleChecker+Valid, 13412 SdHoareTripleChecker+Invalid, 2294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:41,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11451 Valid, 13412 Invalid, 2294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2282 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 23:32:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15964 states. [2023-12-15 23:32:42,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15964 to 8159. [2023-12-15 23:32:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8159 states, 8144 states have (on average 1.3735265225933202) internal successors, (11186), 8158 states have internal predecessors, (11186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8159 states to 8159 states and 11186 transitions. [2023-12-15 23:32:42,116 INFO L78 Accepts]: Start accepts. Automaton has 8159 states and 11186 transitions. Word has length 67 [2023-12-15 23:32:42,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:42,116 INFO L495 AbstractCegarLoop]: Abstraction has 8159 states and 11186 transitions. [2023-12-15 23:32:42,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:42,116 INFO L276 IsEmpty]: Start isEmpty. Operand 8159 states and 11186 transitions. [2023-12-15 23:32:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-15 23:32:42,121 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:42,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:42,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 23:32:42,121 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:42,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:42,122 INFO L85 PathProgramCache]: Analyzing trace with hash 920345528, now seen corresponding path program 1 times [2023-12-15 23:32:42,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:42,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430024984] [2023-12-15 23:32:42,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:42,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:42,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430024984] [2023-12-15 23:32:42,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430024984] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:42,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:42,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:32:42,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596894541] [2023-12-15 23:32:42,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:42,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:32:42,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:42,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:32:42,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:32:42,476 INFO L87 Difference]: Start difference. First operand 8159 states and 11186 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:44,530 INFO L93 Difference]: Finished difference Result 13326 states and 18862 transitions. [2023-12-15 23:32:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 23:32:44,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-15 23:32:44,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:44,541 INFO L225 Difference]: With dead ends: 13326 [2023-12-15 23:32:44,541 INFO L226 Difference]: Without dead ends: 11745 [2023-12-15 23:32:44,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-15 23:32:44,546 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 10173 mSDsluCounter, 3130 mSDsCounter, 0 mSdLazyCounter, 4195 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10173 SdHoareTripleChecker+Valid, 4479 SdHoareTripleChecker+Invalid, 4208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:44,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10173 Valid, 4479 Invalid, 4208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4195 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-15 23:32:44,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11745 states. [2023-12-15 23:32:44,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11745 to 8159. [2023-12-15 23:32:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8159 states, 8144 states have (on average 1.3734037328094302) internal successors, (11185), 8158 states have internal predecessors, (11185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8159 states to 8159 states and 11185 transitions. [2023-12-15 23:32:44,657 INFO L78 Accepts]: Start accepts. Automaton has 8159 states and 11185 transitions. Word has length 67 [2023-12-15 23:32:44,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:44,657 INFO L495 AbstractCegarLoop]: Abstraction has 8159 states and 11185 transitions. [2023-12-15 23:32:44,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 8159 states and 11185 transitions. [2023-12-15 23:32:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-15 23:32:44,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:44,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:44,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 23:32:44,663 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:44,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:44,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1407222430, now seen corresponding path program 1 times [2023-12-15 23:32:44,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:44,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917142600] [2023-12-15 23:32:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:44,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:44,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:44,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917142600] [2023-12-15 23:32:44,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917142600] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:44,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:44,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:32:44,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237232989] [2023-12-15 23:32:44,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:44,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:32:44,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:44,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:32:44,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:32:44,859 INFO L87 Difference]: Start difference. First operand 8159 states and 11185 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:47,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:47,319 INFO L93 Difference]: Finished difference Result 15016 states and 21266 transitions. [2023-12-15 23:32:47,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:32:47,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-15 23:32:47,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:47,332 INFO L225 Difference]: With dead ends: 15016 [2023-12-15 23:32:47,333 INFO L226 Difference]: Without dead ends: 13699 [2023-12-15 23:32:47,337 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 [2023-12-15 23:32:47,337 INFO L413 NwaCegarLoop]: 1446 mSDtfsCounter, 6877 mSDsluCounter, 4499 mSDsCounter, 0 mSdLazyCounter, 5868 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6877 SdHoareTripleChecker+Valid, 5945 SdHoareTripleChecker+Invalid, 5930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 5868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:47,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6877 Valid, 5945 Invalid, 5930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 5868 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-15 23:32:47,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13699 states. [2023-12-15 23:32:47,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13699 to 8159. [2023-12-15 23:32:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8159 states, 8144 states have (on average 1.3732809430255404) internal successors, (11184), 8158 states have internal predecessors, (11184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:47,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8159 states to 8159 states and 11184 transitions. [2023-12-15 23:32:47,471 INFO L78 Accepts]: Start accepts. Automaton has 8159 states and 11184 transitions. Word has length 67 [2023-12-15 23:32:47,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:47,471 INFO L495 AbstractCegarLoop]: Abstraction has 8159 states and 11184 transitions. [2023-12-15 23:32:47,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:47,472 INFO L276 IsEmpty]: Start isEmpty. Operand 8159 states and 11184 transitions. [2023-12-15 23:32:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-15 23:32:47,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:47,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:47,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 23:32:47,476 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:47,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:47,477 INFO L85 PathProgramCache]: Analyzing trace with hash -805185725, now seen corresponding path program 1 times [2023-12-15 23:32:47,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:47,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641383712] [2023-12-15 23:32:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:47,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:47,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:47,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641383712] [2023-12-15 23:32:47,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641383712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:47,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:47,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:32:47,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512134075] [2023-12-15 23:32:47,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:47,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:32:47,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:47,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:32:47,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:32:47,721 INFO L87 Difference]: Start difference. First operand 8159 states and 11184 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:50,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:50,560 INFO L93 Difference]: Finished difference Result 13381 states and 18773 transitions. [2023-12-15 23:32:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 23:32:50,560 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-15 23:32:50,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:50,572 INFO L225 Difference]: With dead ends: 13381 [2023-12-15 23:32:50,573 INFO L226 Difference]: Without dead ends: 12078 [2023-12-15 23:32:50,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2023-12-15 23:32:50,577 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 12197 mSDsluCounter, 5912 mSDsCounter, 0 mSdLazyCounter, 6969 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12197 SdHoareTripleChecker+Valid, 7338 SdHoareTripleChecker+Invalid, 7058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 6969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:50,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12197 Valid, 7338 Invalid, 7058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 6969 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-15 23:32:50,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12078 states. [2023-12-15 23:32:50,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12078 to 8167. [2023-12-15 23:32:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8167 states, 8152 states have (on average 1.373405299313052) internal successors, (11196), 8166 states have internal predecessors, (11196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8167 states to 8167 states and 11196 transitions. [2023-12-15 23:32:50,766 INFO L78 Accepts]: Start accepts. Automaton has 8167 states and 11196 transitions. Word has length 67 [2023-12-15 23:32:50,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:50,766 INFO L495 AbstractCegarLoop]: Abstraction has 8167 states and 11196 transitions. [2023-12-15 23:32:50,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8167 states and 11196 transitions. [2023-12-15 23:32:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-15 23:32:50,771 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:50,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:50,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 23:32:50,771 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:50,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:50,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1779932252, now seen corresponding path program 1 times [2023-12-15 23:32:50,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:50,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611722828] [2023-12-15 23:32:50,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:50,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:51,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:51,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611722828] [2023-12-15 23:32:51,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611722828] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:51,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:51,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:32:51,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637829889] [2023-12-15 23:32:51,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:51,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:32:51,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:51,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:32:51,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:32:51,024 INFO L87 Difference]: Start difference. First operand 8167 states and 11196 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:54,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:54,083 INFO L93 Difference]: Finished difference Result 14995 states and 20969 transitions. [2023-12-15 23:32:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 23:32:54,084 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-15 23:32:54,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:54,099 INFO L225 Difference]: With dead ends: 14995 [2023-12-15 23:32:54,099 INFO L226 Difference]: Without dead ends: 13678 [2023-12-15 23:32:54,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2023-12-15 23:32:54,106 INFO L413 NwaCegarLoop]: 1483 mSDtfsCounter, 6826 mSDsluCounter, 6740 mSDsCounter, 0 mSdLazyCounter, 8427 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6826 SdHoareTripleChecker+Valid, 8223 SdHoareTripleChecker+Invalid, 8544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 8427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:54,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6826 Valid, 8223 Invalid, 8544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 8427 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-15 23:32:54,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13678 states. [2023-12-15 23:32:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13678 to 8167. [2023-12-15 23:32:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8167 states, 8152 states have (on average 1.3732826300294407) internal successors, (11195), 8166 states have internal predecessors, (11195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8167 states to 8167 states and 11195 transitions. [2023-12-15 23:32:54,232 INFO L78 Accepts]: Start accepts. Automaton has 8167 states and 11195 transitions. Word has length 67 [2023-12-15 23:32:54,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:54,232 INFO L495 AbstractCegarLoop]: Abstraction has 8167 states and 11195 transitions. [2023-12-15 23:32:54,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 8167 states and 11195 transitions. [2023-12-15 23:32:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-15 23:32:54,237 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:54,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:54,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 23:32:54,237 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:54,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:54,237 INFO L85 PathProgramCache]: Analyzing trace with hash 164568382, now seen corresponding path program 1 times [2023-12-15 23:32:54,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:54,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275632261] [2023-12-15 23:32:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:54,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:54,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275632261] [2023-12-15 23:32:54,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275632261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:54,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:54,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 23:32:54,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480287127] [2023-12-15 23:32:54,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:54,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 23:32:54,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:54,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 23:32:54,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-15 23:32:54,670 INFO L87 Difference]: Start difference. First operand 8167 states and 11195 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:58,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:58,925 INFO L93 Difference]: Finished difference Result 36008 states and 52822 transitions. [2023-12-15 23:32:58,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-15 23:32:58,926 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-15 23:32:58,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:58,962 INFO L225 Difference]: With dead ends: 36008 [2023-12-15 23:32:58,962 INFO L226 Difference]: Without dead ends: 34490 [2023-12-15 23:32:58,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 994 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=666, Invalid=2640, Unknown=0, NotChecked=0, Total=3306 [2023-12-15 23:32:58,971 INFO L413 NwaCegarLoop]: 3015 mSDtfsCounter, 24602 mSDsluCounter, 17860 mSDsCounter, 0 mSdLazyCounter, 5492 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24602 SdHoareTripleChecker+Valid, 20875 SdHoareTripleChecker+Invalid, 5594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 5492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:58,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24602 Valid, 20875 Invalid, 5594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [102 Valid, 5492 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-15 23:32:58,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34490 states. [2023-12-15 23:32:59,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34490 to 7947. [2023-12-15 23:32:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7947 states, 7933 states have (on average 1.3707298625992688) internal successors, (10874), 7946 states have internal predecessors, (10874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7947 states to 7947 states and 10874 transitions. [2023-12-15 23:32:59,151 INFO L78 Accepts]: Start accepts. Automaton has 7947 states and 10874 transitions. Word has length 67 [2023-12-15 23:32:59,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:59,151 INFO L495 AbstractCegarLoop]: Abstraction has 7947 states and 10874 transitions. [2023-12-15 23:32:59,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 7947 states and 10874 transitions. [2023-12-15 23:32:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-15 23:32:59,156 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:59,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:59,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 23:32:59,156 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:59,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:59,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2055073312, now seen corresponding path program 1 times [2023-12-15 23:32:59,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:59,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488964815] [2023-12-15 23:32:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:59,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:59,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:59,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488964815] [2023-12-15 23:32:59,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488964815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:59,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:59,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:32:59,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376745258] [2023-12-15 23:32:59,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:59,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:32:59,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:59,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:32:59,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:32:59,200 INFO L87 Difference]: Start difference. First operand 7947 states and 10874 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:59,291 INFO L93 Difference]: Finished difference Result 11607 states and 16156 transitions. [2023-12-15 23:32:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:32:59,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-15 23:32:59,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:59,298 INFO L225 Difference]: With dead ends: 11607 [2023-12-15 23:32:59,298 INFO L226 Difference]: Without dead ends: 6932 [2023-12-15 23:32:59,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:32:59,302 INFO L413 NwaCegarLoop]: 1880 mSDtfsCounter, 1834 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 2475 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:59,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 2475 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:32:59,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6932 states. [2023-12-15 23:32:59,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6932 to 6914. [2023-12-15 23:32:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6914 states, 6904 states have (on average 1.3845596755504055) internal successors, (9559), 6913 states have internal predecessors, (9559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6914 states to 6914 states and 9559 transitions. [2023-12-15 23:32:59,358 INFO L78 Accepts]: Start accepts. Automaton has 6914 states and 9559 transitions. Word has length 67 [2023-12-15 23:32:59,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:59,358 INFO L495 AbstractCegarLoop]: Abstraction has 6914 states and 9559 transitions. [2023-12-15 23:32:59,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 6914 states and 9559 transitions. [2023-12-15 23:32:59,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-15 23:32:59,363 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:59,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:59,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 23:32:59,363 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:59,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:59,363 INFO L85 PathProgramCache]: Analyzing trace with hash -985199678, now seen corresponding path program 1 times [2023-12-15 23:32:59,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:59,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624434870] [2023-12-15 23:32:59,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:59,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:59,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:59,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624434870] [2023-12-15 23:32:59,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624434870] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:59,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:59,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:32:59,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953819331] [2023-12-15 23:32:59,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:59,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:32:59,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:59,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:32:59,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:32:59,406 INFO L87 Difference]: Start difference. First operand 6914 states and 9559 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:59,516 INFO L93 Difference]: Finished difference Result 11209 states and 15791 transitions. [2023-12-15 23:32:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:32:59,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-15 23:32:59,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:59,522 INFO L225 Difference]: With dead ends: 11209 [2023-12-15 23:32:59,523 INFO L226 Difference]: Without dead ends: 6737 [2023-12-15 23:32:59,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:32:59,527 INFO L413 NwaCegarLoop]: 1474 mSDtfsCounter, 1455 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:59,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 1921 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:32:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6737 states. [2023-12-15 23:32:59,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6737 to 6729. [2023-12-15 23:32:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6722 states have (on average 1.4052365367450164) internal successors, (9446), 6728 states have internal predecessors, (9446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 9446 transitions. [2023-12-15 23:32:59,580 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 9446 transitions. Word has length 68 [2023-12-15 23:32:59,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:59,581 INFO L495 AbstractCegarLoop]: Abstraction has 6729 states and 9446 transitions. [2023-12-15 23:32:59,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 9446 transitions. [2023-12-15 23:32:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-15 23:32:59,585 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:59,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:59,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 23:32:59,585 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:59,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:59,585 INFO L85 PathProgramCache]: Analyzing trace with hash -746381525, now seen corresponding path program 1 times [2023-12-15 23:32:59,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:59,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368058310] [2023-12-15 23:32:59,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:59,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:59,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:59,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368058310] [2023-12-15 23:32:59,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368058310] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:59,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:59,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:32:59,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692172776] [2023-12-15 23:32:59,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:59,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:32:59,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:59,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:32:59,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:32:59,634 INFO L87 Difference]: Start difference. First operand 6729 states and 9446 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:59,689 INFO L93 Difference]: Finished difference Result 11147 states and 16295 transitions. [2023-12-15 23:32:59,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:32:59,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-15 23:32:59,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:59,696 INFO L225 Difference]: With dead ends: 11147 [2023-12-15 23:32:59,696 INFO L226 Difference]: Without dead ends: 7796 [2023-12-15 23:32:59,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:32:59,702 INFO L413 NwaCegarLoop]: 1549 mSDtfsCounter, 900 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:59,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 2245 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:32:59,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7796 states. [2023-12-15 23:32:59,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7796 to 6362. [2023-12-15 23:32:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6362 states, 6355 states have (on average 1.4311565696302124) internal successors, (9095), 6361 states have internal predecessors, (9095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6362 states to 6362 states and 9095 transitions. [2023-12-15 23:32:59,765 INFO L78 Accepts]: Start accepts. Automaton has 6362 states and 9095 transitions. Word has length 68 [2023-12-15 23:32:59,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:32:59,765 INFO L495 AbstractCegarLoop]: Abstraction has 6362 states and 9095 transitions. [2023-12-15 23:32:59,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 6362 states and 9095 transitions. [2023-12-15 23:32:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-15 23:32:59,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:32:59,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:32:59,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 23:32:59,767 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:32:59,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:32:59,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1614233913, now seen corresponding path program 1 times [2023-12-15 23:32:59,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:32:59,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892474437] [2023-12-15 23:32:59,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:32:59,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:32:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:32:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:32:59,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:32:59,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892474437] [2023-12-15 23:32:59,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892474437] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:32:59,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:32:59,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:32:59,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040545916] [2023-12-15 23:32:59,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:32:59,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:32:59,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:32:59,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:32:59,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:32:59,821 INFO L87 Difference]: Start difference. First operand 6362 states and 9095 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:32:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:32:59,909 INFO L93 Difference]: Finished difference Result 14270 states and 20904 transitions. [2023-12-15 23:32:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:32:59,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-15 23:32:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:32:59,920 INFO L225 Difference]: With dead ends: 14270 [2023-12-15 23:32:59,921 INFO L226 Difference]: Without dead ends: 10257 [2023-12-15 23:32:59,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:32:59,928 INFO L413 NwaCegarLoop]: 1606 mSDtfsCounter, 934 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 2819 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:32:59,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 2819 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:32:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10257 states. [2023-12-15 23:33:00,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10257 to 10249. [2023-12-15 23:33:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10249 states, 10242 states have (on average 1.4381956649091974) internal successors, (14730), 10248 states have internal predecessors, (14730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10249 states to 10249 states and 14730 transitions. [2023-12-15 23:33:00,037 INFO L78 Accepts]: Start accepts. Automaton has 10249 states and 14730 transitions. Word has length 68 [2023-12-15 23:33:00,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:33:00,037 INFO L495 AbstractCegarLoop]: Abstraction has 10249 states and 14730 transitions. [2023-12-15 23:33:00,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 10249 states and 14730 transitions. [2023-12-15 23:33:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-15 23:33:00,041 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:33:00,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:33:00,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 23:33:00,041 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:33:00,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:33:00,042 INFO L85 PathProgramCache]: Analyzing trace with hash -921778135, now seen corresponding path program 1 times [2023-12-15 23:33:00,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:33:00,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587415102] [2023-12-15 23:33:00,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:33:00,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:33:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:33:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:33:00,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:33:00,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587415102] [2023-12-15 23:33:00,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587415102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:33:00,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:33:00,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:33:00,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091539204] [2023-12-15 23:33:00,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:33:00,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:33:00,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:33:00,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:33:00,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:33:00,137 INFO L87 Difference]: Start difference. First operand 10249 states and 14730 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:33:00,228 INFO L93 Difference]: Finished difference Result 20307 states and 30079 transitions. [2023-12-15 23:33:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:33:00,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-15 23:33:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:33:00,245 INFO L225 Difference]: With dead ends: 20307 [2023-12-15 23:33:00,245 INFO L226 Difference]: Without dead ends: 13481 [2023-12-15 23:33:00,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:33:00,255 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 897 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:33:00,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2212 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:33:00,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13481 states. [2023-12-15 23:33:00,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13481 to 11075. [2023-12-15 23:33:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11075 states, 11068 states have (on average 1.4488615829418143) internal successors, (16036), 11074 states have internal predecessors, (16036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11075 states to 11075 states and 16036 transitions. [2023-12-15 23:33:00,371 INFO L78 Accepts]: Start accepts. Automaton has 11075 states and 16036 transitions. Word has length 68 [2023-12-15 23:33:00,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:33:00,371 INFO L495 AbstractCegarLoop]: Abstraction has 11075 states and 16036 transitions. [2023-12-15 23:33:00,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand 11075 states and 16036 transitions. [2023-12-15 23:33:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-15 23:33:00,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:33:00,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:33:00,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-15 23:33:00,374 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:33:00,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:33:00,374 INFO L85 PathProgramCache]: Analyzing trace with hash 563894881, now seen corresponding path program 1 times [2023-12-15 23:33:00,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:33:00,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426650621] [2023-12-15 23:33:00,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:33:00,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:33:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:33:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:33:00,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:33:00,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426650621] [2023-12-15 23:33:00,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426650621] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:33:00,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:33:00,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:33:00,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981052165] [2023-12-15 23:33:00,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:33:00,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:33:00,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:33:00,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:33:00,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:33:00,420 INFO L87 Difference]: Start difference. First operand 11075 states and 16036 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:00,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:33:00,569 INFO L93 Difference]: Finished difference Result 27309 states and 40143 transitions. [2023-12-15 23:33:00,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:33:00,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-15 23:33:00,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:33:00,589 INFO L225 Difference]: With dead ends: 27309 [2023-12-15 23:33:00,589 INFO L226 Difference]: Without dead ends: 18401 [2023-12-15 23:33:00,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:33:00,601 INFO L413 NwaCegarLoop]: 1686 mSDtfsCounter, 793 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:33:00,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 2893 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:33:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18401 states. [2023-12-15 23:33:00,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18401 to 18393. [2023-12-15 23:33:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18393 states, 18386 states have (on average 1.442673773523333) internal successors, (26525), 18392 states have internal predecessors, (26525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18393 states to 18393 states and 26525 transitions. [2023-12-15 23:33:00,797 INFO L78 Accepts]: Start accepts. Automaton has 18393 states and 26525 transitions. Word has length 68 [2023-12-15 23:33:00,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:33:00,797 INFO L495 AbstractCegarLoop]: Abstraction has 18393 states and 26525 transitions. [2023-12-15 23:33:00,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 18393 states and 26525 transitions. [2023-12-15 23:33:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-15 23:33:00,802 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:33:00,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:33:00,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-15 23:33:00,803 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:33:00,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:33:00,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1406960713, now seen corresponding path program 1 times [2023-12-15 23:33:00,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:33:00,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49507481] [2023-12-15 23:33:00,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:33:00,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:33:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:33:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:33:00,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:33:00,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49507481] [2023-12-15 23:33:00,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49507481] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:33:00,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:33:00,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:33:00,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927338895] [2023-12-15 23:33:00,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:33:00,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:33:00,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:33:00,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:33:00,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:33:00,852 INFO L87 Difference]: Start difference. First operand 18393 states and 26525 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:01,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:33:01,018 INFO L93 Difference]: Finished difference Result 37706 states and 55009 transitions. [2023-12-15 23:33:01,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:33:01,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2023-12-15 23:33:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:33:01,041 INFO L225 Difference]: With dead ends: 37706 [2023-12-15 23:33:01,041 INFO L226 Difference]: Without dead ends: 20860 [2023-12-15 23:33:01,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:33:01,057 INFO L413 NwaCegarLoop]: 1399 mSDtfsCounter, 1358 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 1940 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:33:01,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 1940 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:33:01,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20860 states. [2023-12-15 23:33:01,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20860 to 16722. [2023-12-15 23:33:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16722 states, 16715 states have (on average 1.4565958719712833) internal successors, (24347), 16721 states have internal predecessors, (24347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16722 states to 16722 states and 24347 transitions. [2023-12-15 23:33:01,236 INFO L78 Accepts]: Start accepts. Automaton has 16722 states and 24347 transitions. Word has length 69 [2023-12-15 23:33:01,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:33:01,236 INFO L495 AbstractCegarLoop]: Abstraction has 16722 states and 24347 transitions. [2023-12-15 23:33:01,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 16722 states and 24347 transitions. [2023-12-15 23:33:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-15 23:33:01,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:33:01,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:33:01,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-15 23:33:01,239 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:33:01,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:33:01,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1898328567, now seen corresponding path program 1 times [2023-12-15 23:33:01,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:33:01,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275246948] [2023-12-15 23:33:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:33:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:33:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:33:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:33:01,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:33:01,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275246948] [2023-12-15 23:33:01,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275246948] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:33:01,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:33:01,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:33:01,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500922069] [2023-12-15 23:33:01,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:33:01,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:33:01,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:33:01,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:33:01,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:33:01,282 INFO L87 Difference]: Start difference. First operand 16722 states and 24347 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:01,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:33:01,473 INFO L93 Difference]: Finished difference Result 35234 states and 51721 transitions. [2023-12-15 23:33:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:33:01,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2023-12-15 23:33:01,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:33:01,495 INFO L225 Difference]: With dead ends: 35234 [2023-12-15 23:33:01,495 INFO L226 Difference]: Without dead ends: 19345 [2023-12-15 23:33:01,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:33:01,510 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 1087 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:33:01,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 1879 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:33:01,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19345 states. [2023-12-15 23:33:01,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19345 to 15450. [2023-12-15 23:33:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15450 states, 15443 states have (on average 1.4657126206048048) internal successors, (22635), 15449 states have internal predecessors, (22635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:01,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15450 states to 15450 states and 22635 transitions. [2023-12-15 23:33:01,749 INFO L78 Accepts]: Start accepts. Automaton has 15450 states and 22635 transitions. Word has length 69 [2023-12-15 23:33:01,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:33:01,750 INFO L495 AbstractCegarLoop]: Abstraction has 15450 states and 22635 transitions. [2023-12-15 23:33:01,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 15450 states and 22635 transitions. [2023-12-15 23:33:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-15 23:33:01,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:33:01,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:33:01,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-15 23:33:01,752 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:33:01,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:33:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash 936354534, now seen corresponding path program 1 times [2023-12-15 23:33:01,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:33:01,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815252297] [2023-12-15 23:33:01,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:33:01,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:33:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:33:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:33:01,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:33:01,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815252297] [2023-12-15 23:33:01,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815252297] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:33:01,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:33:01,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:33:01,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310552602] [2023-12-15 23:33:01,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:33:01,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:33:01,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:33:01,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:33:01,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:33:01,934 INFO L87 Difference]: Start difference. First operand 15450 states and 22635 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:03,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:33:03,711 INFO L93 Difference]: Finished difference Result 25094 states and 36355 transitions. [2023-12-15 23:33:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:33:03,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2023-12-15 23:33:03,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:33:03,740 INFO L225 Difference]: With dead ends: 25094 [2023-12-15 23:33:03,741 INFO L226 Difference]: Without dead ends: 24989 [2023-12-15 23:33:03,749 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 [2023-12-15 23:33:03,751 INFO L413 NwaCegarLoop]: 933 mSDtfsCounter, 5136 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 3380 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5136 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 3422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 3380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:33:03,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5136 Valid, 3643 Invalid, 3422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 3380 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-15 23:33:03,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24989 states. [2023-12-15 23:33:03,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24989 to 15450. [2023-12-15 23:33:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15450 states, 15443 states have (on average 1.4656478663472123) internal successors, (22634), 15449 states have internal predecessors, (22634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15450 states to 15450 states and 22634 transitions. [2023-12-15 23:33:03,959 INFO L78 Accepts]: Start accepts. Automaton has 15450 states and 22634 transitions. Word has length 70 [2023-12-15 23:33:03,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:33:03,959 INFO L495 AbstractCegarLoop]: Abstraction has 15450 states and 22634 transitions. [2023-12-15 23:33:03,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 15450 states and 22634 transitions. [2023-12-15 23:33:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-15 23:33:03,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:33:03,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:33:03,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-15 23:33:03,961 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-15 23:33:03,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:33:03,961 INFO L85 PathProgramCache]: Analyzing trace with hash 521195886, now seen corresponding path program 1 times [2023-12-15 23:33:03,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:33:03,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403983533] [2023-12-15 23:33:03,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:33:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:33:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:33:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:33:04,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:33:04,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403983533] [2023-12-15 23:33:04,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403983533] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:33:04,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:33:04,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:33:04,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362050094] [2023-12-15 23:33:04,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:33:04,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:33:04,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:33:04,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:33:04,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:33:04,137 INFO L87 Difference]: Start difference. First operand 15450 states and 22634 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:33:05,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:33:05,581 INFO L93 Difference]: Finished difference Result 23127 states and 33755 transitions. [2023-12-15 23:33:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:33:05,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2023-12-15 23:33:05,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:33:05,608 INFO L225 Difference]: With dead ends: 23127 [2023-12-15 23:33:05,609 INFO L226 Difference]: Without dead ends: 23059 [2023-12-15 23:33:05,617 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 [2023-12-15 23:33:05,618 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 4151 mSDsluCounter, 3039 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4151 SdHoareTripleChecker+Valid, 3807 SdHoareTripleChecker+Invalid, 3079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:33:05,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4151 Valid, 3807 Invalid, 3079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 23:33:05,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23059 states. Received shutdown request... [2023-12-15 23:33:05,726 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 17 remaining) [2023-12-15 23:33:05,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-15 23:33:05,727 WARN L619 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2023-12-15 23:33:05,729 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (15 of 17 remaining) [2023-12-15 23:33:05,731 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (14 of 17 remaining) [2023-12-15 23:33:05,731 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (13 of 17 remaining) [2023-12-15 23:33:05,731 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (12 of 17 remaining) [2023-12-15 23:33:05,731 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (11 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (10 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (9 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (8 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (7 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (6 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (5 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (4 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (3 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (2 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (1 of 17 remaining) [2023-12-15 23:33:05,732 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (0 of 17 remaining) [2023-12-15 23:33:05,735 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:33:05,737 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 23:33:05,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:33:05 BoogieIcfgContainer [2023-12-15 23:33:05,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 23:33:05,741 INFO L158 Benchmark]: Toolchain (without parser) took 58123.69ms. Allocated memory was 211.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 132.5MB in the beginning and 991.7MB in the end (delta: -859.2MB). Peak memory consumption was 275.2MB. Max. memory is 8.0GB. [2023-12-15 23:33:05,741 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 23:33:05,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1796.61ms. Allocated memory was 211.8MB in the beginning and 266.3MB in the end (delta: 54.5MB). Free memory was 132.1MB in the beginning and 179.6MB in the end (delta: -47.5MB). Peak memory consumption was 97.9MB. Max. memory is 8.0GB. [2023-12-15 23:33:05,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 244.40ms. Allocated memory is still 266.3MB. Free memory was 179.6MB in the beginning and 110.4MB in the end (delta: 69.2MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2023-12-15 23:33:05,742 INFO L158 Benchmark]: Boogie Preprocessor took 526.16ms. Allocated memory was 266.3MB in the beginning and 417.3MB in the end (delta: 151.0MB). Free memory was 110.4MB in the beginning and 272.9MB in the end (delta: -162.5MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. [2023-12-15 23:33:05,743 INFO L158 Benchmark]: RCFGBuilder took 5219.36ms. Allocated memory was 417.3MB in the beginning and 834.7MB in the end (delta: 417.3MB). Free memory was 272.4MB in the beginning and 503.1MB in the end (delta: -230.7MB). Peak memory consumption was 462.4MB. Max. memory is 8.0GB. [2023-12-15 23:33:05,744 INFO L158 Benchmark]: TraceAbstraction took 50319.30ms. Allocated memory was 834.7MB in the beginning and 1.3GB in the end (delta: 510.7MB). Free memory was 502.1MB in the beginning and 991.7MB in the end (delta: -489.6MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB. [2023-12-15 23:33:05,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-12-15 23:33:05,766 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1796.61ms. Allocated memory was 211.8MB in the beginning and 266.3MB in the end (delta: 54.5MB). Free memory was 132.1MB in the beginning and 179.6MB in the end (delta: -47.5MB). Peak memory consumption was 97.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 244.40ms. Allocated memory is still 266.3MB. Free memory was 179.6MB in the beginning and 110.4MB in the end (delta: 69.2MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 526.16ms. Allocated memory was 266.3MB in the beginning and 417.3MB in the end (delta: 151.0MB). Free memory was 110.4MB in the beginning and 272.9MB in the end (delta: -162.5MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. * RCFGBuilder took 5219.36ms. Allocated memory was 417.3MB in the beginning and 834.7MB in the end (delta: 417.3MB). Free memory was 272.4MB in the beginning and 503.1MB in the end (delta: -230.7MB). Peak memory consumption was 462.4MB. Max. memory is 8.0GB. * TraceAbstraction took 50319.30ms. Allocated memory was 834.7MB in the beginning and 1.3GB in the end (delta: 510.7MB). Free memory was 502.1MB in the beginning and 991.7MB in the end (delta: -489.6MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 1913]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1913). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 2434]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2434). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 4487]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4487). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 5158]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5158). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 5630]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5630). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 6506]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6506). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 7171]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7171). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 7757]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7757). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 10596]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10596). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 10857]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10857). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 11528]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11528). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 12000]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 12000). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 13882]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 13882). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 16141]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 16141). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 18290]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18290). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 20503]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 20503). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 23018]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 23018). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3530 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 50.3s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 41.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201785 SdHoareTripleChecker+Valid, 33.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201785 mSDsluCounter, 141255 SdHoareTripleChecker+Invalid, 27.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98024 mSDsCounter, 1144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75681 IncrementalHoareTripleChecker+Invalid, 76825 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1144 mSolverCounterUnsat, 43231 mSDtfsCounter, 75681 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 347 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 313 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1680 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18393occurred in iteration=22, InterpolantAutomatonStates: 277, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 104525 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1736 NumberOfCodeBlocks, 1736 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1710 ConstructedInterpolants, 0 QuantifiedInterpolants, 12213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown