/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 06:21:14,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 06:21:14,992 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 06:21:15,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 06:21:15,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 06:21:15,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 06:21:15,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 06:21:15,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 06:21:15,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 06:21:15,043 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 06:21:15,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 06:21:15,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 06:21:15,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 06:21:15,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 06:21:15,046 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 06:21:15,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 06:21:15,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 06:21:15,046 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 06:21:15,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 06:21:15,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 06:21:15,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 06:21:15,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 06:21:15,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 06:21:15,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 06:21:15,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 06:21:15,049 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 06:21:15,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 06:21:15,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 06:21:15,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 06:21:15,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 06:21:15,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 06:21:15,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 06:21:15,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:21:15,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 06:21:15,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 06:21:15,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 06:21:15,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 06:21:15,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 06:21:15,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 06:21:15,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 06:21:15,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 06:21:15,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 06:21:15,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 06:21:15,054 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 06:21:15,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 06:21:15,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 06:21:15,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 06:21:15,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 06:21:15,329 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 06:21:15,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-16 06:21:16,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 06:21:17,417 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 06:21:17,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-16 06:21:17,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fceb5f1c8/741c5aaaa0ee4883b04065efdebc674d/FLAG5a48e9d1b [2023-12-16 06:21:17,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fceb5f1c8/741c5aaaa0ee4883b04065efdebc674d [2023-12-16 06:21:17,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 06:21:17,537 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 06:21:17,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 06:21:17,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 06:21:17,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 06:21:17,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:21:17" (1/1) ... [2023-12-16 06:21:17,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3cf7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:17, skipping insertion in model container [2023-12-16 06:21:17,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:21:17" (1/1) ... [2023-12-16 06:21:17,832 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 06:21:18,404 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26861,26874] [2023-12-16 06:21:18,428 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33212,33225] [2023-12-16 06:21:18,517 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57844,57857] [2023-12-16 06:21:18,536 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65899,65912] [2023-12-16 06:21:18,550 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71726,71739] [2023-12-16 06:21:18,576 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82469,82482] [2023-12-16 06:21:18,597 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90414,90427] [2023-12-16 06:21:18,621 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97642,97655] [2023-12-16 06:21:18,736 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132349,132362] [2023-12-16 06:21:18,752 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[135477,135490] [2023-12-16 06:21:18,776 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[143490,143503] [2023-12-16 06:21:18,790 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[149294,149307] [2023-12-16 06:21:18,830 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[172040,172053] [2023-12-16 06:21:18,890 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199876,199889] [2023-12-16 06:21:18,946 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226429,226442] [2023-12-16 06:21:19,022 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[253730,253743] [2023-12-16 06:21:19,075 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[284837,284850] [2023-12-16 06:21:19,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:21:19,274 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 06:21:19,378 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26861,26874] [2023-12-16 06:21:19,404 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33212,33225] [2023-12-16 06:21:19,456 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57844,57857] [2023-12-16 06:21:19,469 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65899,65912] [2023-12-16 06:21:19,480 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71726,71739] [2023-12-16 06:21:19,499 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82469,82482] [2023-12-16 06:21:19,512 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90414,90427] [2023-12-16 06:21:19,525 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97642,97655] [2023-12-16 06:21:19,574 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132349,132362] [2023-12-16 06:21:19,580 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[135477,135490] [2023-12-16 06:21:19,594 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[143490,143503] [2023-12-16 06:21:19,604 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[149294,149307] [2023-12-16 06:21:19,636 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[172040,172053] [2023-12-16 06:21:19,674 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199876,199889] [2023-12-16 06:21:19,709 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226429,226442] [2023-12-16 06:21:19,746 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[253730,253743] [2023-12-16 06:21:19,784 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.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[284837,284850] [2023-12-16 06:21:19,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:21:19,970 INFO L206 MainTranslator]: Completed translation [2023-12-16 06:21:19,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19 WrapperNode [2023-12-16 06:21:19,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 06:21:19,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 06:21:19,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 06:21:19,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 06:21:19,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,368 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17995 [2023-12-16 06:21:20,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 06:21:20,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 06:21:20,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 06:21:20,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 06:21:20,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,449 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,566 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 06:21:20,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:20,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:21,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 06:21:21,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 06:21:21,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 06:21:21,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 06:21:21,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (1/1) ... [2023-12-16 06:21:21,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:21:21,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 06:21:21,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 06:21:21,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 06:21:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 06:21:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 06:21:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 06:21:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 06:21:21,588 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 06:21:21,590 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 06:21:27,864 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 06:21:27,974 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 06:21:27,974 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 06:21:27,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:21:27 BoogieIcfgContainer [2023-12-16 06:21:27,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 06:21:27,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 06:21:27,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 06:21:27,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 06:21:27,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:21:17" (1/3) ... [2023-12-16 06:21:27,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ddebe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:21:27, skipping insertion in model container [2023-12-16 06:21:27,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:21:19" (2/3) ... [2023-12-16 06:21:27,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ddebe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:21:27, skipping insertion in model container [2023-12-16 06:21:27,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:21:27" (3/3) ... [2023-12-16 06:21:27,982 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-16 06:21:27,998 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 06:21:27,998 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-12-16 06:21:28,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 06:21:28,104 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;@65665eed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 06:21:28,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-12-16 06:21:28,124 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) [2023-12-16 06:21:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-16 06:21:28,157 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:28,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:28,158 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)] === [2023-12-16 06:21:28,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:28,163 INFO L85 PathProgramCache]: Analyzing trace with hash 600254357, now seen corresponding path program 1 times [2023-12-16 06:21:28,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:28,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52594633] [2023-12-16 06:21:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:28,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:28,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52594633] [2023-12-16 06:21:28,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52594633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:28,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:28,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:21:28,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374275792] [2023-12-16 06:21:28,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:28,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:21:28,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:28,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:21:28,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:21:28,892 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) [2023-12-16 06:21:32,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:32,822 INFO L93 Difference]: Finished difference Result 6644 states and 11839 transitions. [2023-12-16 06:21:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:21:32,824 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 [2023-12-16 06:21:32,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:32,855 INFO L225 Difference]: With dead ends: 6644 [2023-12-16 06:21:32,855 INFO L226 Difference]: Without dead ends: 4228 [2023-12-16 06:21:32,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:21:32,869 INFO L413 NwaCegarLoop]: 2770 mSDtfsCounter, 19750 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19750 SdHoareTripleChecker+Valid, 3938 SdHoareTripleChecker+Invalid, 3745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:32,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19750 Valid, 3938 Invalid, 3745 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-16 06:21:32,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2023-12-16 06:21:33,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 4204. [2023-12-16 06:21:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4204 states, 4187 states have (on average 1.3386673035586338) internal successors, (5605), 4203 states have internal predecessors, (5605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4204 states to 4204 states and 5605 transitions. [2023-12-16 06:21:33,064 INFO L78 Accepts]: Start accepts. Automaton has 4204 states and 5605 transitions. Word has length 63 [2023-12-16 06:21:33,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:33,065 INFO L495 AbstractCegarLoop]: Abstraction has 4204 states and 5605 transitions. [2023-12-16 06:21:33,065 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) [2023-12-16 06:21:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4204 states and 5605 transitions. [2023-12-16 06:21:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-16 06:21:33,075 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:33,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:33,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 06:21:33,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:21:33,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:33,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1279054806, now seen corresponding path program 1 times [2023-12-16 06:21:33,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:33,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172800816] [2023-12-16 06:21:33,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:33,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:33,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:33,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172800816] [2023-12-16 06:21:33,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172800816] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:33,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:33,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:21:33,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854259125] [2023-12-16 06:21:33,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:33,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:21:33,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:33,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:21:33,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:21:33,291 INFO L87 Difference]: Start difference. First operand 4204 states and 5605 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) [2023-12-16 06:21:35,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:35,743 INFO L93 Difference]: Finished difference Result 7815 states and 10451 transitions. [2023-12-16 06:21:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:21:35,749 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 [2023-12-16 06:21:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:35,767 INFO L225 Difference]: With dead ends: 7815 [2023-12-16 06:21:35,767 INFO L226 Difference]: Without dead ends: 4780 [2023-12-16 06:21:35,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:21:35,773 INFO L413 NwaCegarLoop]: 1518 mSDtfsCounter, 11477 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11477 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:35,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11477 Valid, 2075 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 06:21:35,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4780 states. [2023-12-16 06:21:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4780 to 4760. [2023-12-16 06:21:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4760 states, 4743 states have (on average 1.3506219692177945) internal successors, (6406), 4759 states have internal predecessors, (6406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4760 states to 4760 states and 6406 transitions. [2023-12-16 06:21:35,890 INFO L78 Accepts]: Start accepts. Automaton has 4760 states and 6406 transitions. Word has length 64 [2023-12-16 06:21:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:35,891 INFO L495 AbstractCegarLoop]: Abstraction has 4760 states and 6406 transitions. [2023-12-16 06:21:35,891 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) [2023-12-16 06:21:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 6406 transitions. [2023-12-16 06:21:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-16 06:21:35,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:35,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:35,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 06:21:35,900 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)] === [2023-12-16 06:21:35,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:35,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2141976619, now seen corresponding path program 1 times [2023-12-16 06:21:35,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:35,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118866679] [2023-12-16 06:21:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:35,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:36,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:36,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118866679] [2023-12-16 06:21:36,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118866679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:36,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:36,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:21:36,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505862489] [2023-12-16 06:21:36,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:36,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:21:36,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:36,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:21:36,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:21:36,112 INFO L87 Difference]: Start difference. First operand 4760 states and 6406 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) [2023-12-16 06:21:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:37,973 INFO L93 Difference]: Finished difference Result 9742 states and 13156 transitions. [2023-12-16 06:21:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:21:37,975 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 [2023-12-16 06:21:37,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:38,021 INFO L225 Difference]: With dead ends: 9742 [2023-12-16 06:21:38,021 INFO L226 Difference]: Without dead ends: 6635 [2023-12-16 06:21:38,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:21:38,034 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 10937 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:38,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10937 Valid, 2130 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 06:21:38,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2023-12-16 06:21:38,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 6608. [2023-12-16 06:21:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6608 states, 6591 states have (on average 1.3577605826126535) internal successors, (8949), 6607 states have internal predecessors, (8949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6608 states to 6608 states and 8949 transitions. [2023-12-16 06:21:38,187 INFO L78 Accepts]: Start accepts. Automaton has 6608 states and 8949 transitions. Word has length 64 [2023-12-16 06:21:38,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:38,189 INFO L495 AbstractCegarLoop]: Abstraction has 6608 states and 8949 transitions. [2023-12-16 06:21:38,189 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) [2023-12-16 06:21:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 6608 states and 8949 transitions. [2023-12-16 06:21:38,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 06:21:38,200 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:38,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:38,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 06:21:38,202 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)] === [2023-12-16 06:21:38,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:38,203 INFO L85 PathProgramCache]: Analyzing trace with hash 767039615, now seen corresponding path program 1 times [2023-12-16 06:21:38,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:38,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774648420] [2023-12-16 06:21:38,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:38,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:38,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:38,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774648420] [2023-12-16 06:21:38,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774648420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:38,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:38,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:21:38,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120189893] [2023-12-16 06:21:38,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:38,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:21:38,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:38,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:21:38,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:21:38,463 INFO L87 Difference]: Start difference. First operand 6608 states and 8949 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) [2023-12-16 06:21:39,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:39,984 INFO L93 Difference]: Finished difference Result 12908 states and 17662 transitions. [2023-12-16 06:21:39,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:21:39,984 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 [2023-12-16 06:21:39,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:40,014 INFO L225 Difference]: With dead ends: 12908 [2023-12-16 06:21:40,014 INFO L226 Difference]: Without dead ends: 8514 [2023-12-16 06:21:40,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:21:40,026 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 9341 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:40,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9341 Valid, 1839 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 06:21:40,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8514 states. [2023-12-16 06:21:40,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8514 to 8479. [2023-12-16 06:21:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8479 states, 8462 states have (on average 1.3737887024344126) internal successors, (11625), 8478 states have internal predecessors, (11625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8479 states to 8479 states and 11625 transitions. [2023-12-16 06:21:40,262 INFO L78 Accepts]: Start accepts. Automaton has 8479 states and 11625 transitions. Word has length 65 [2023-12-16 06:21:40,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:40,263 INFO L495 AbstractCegarLoop]: Abstraction has 8479 states and 11625 transitions. [2023-12-16 06:21:40,264 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) [2023-12-16 06:21:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 8479 states and 11625 transitions. [2023-12-16 06:21:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 06:21:40,272 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:40,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:40,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 06:21:40,273 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)] === [2023-12-16 06:21:40,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:40,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1941175905, now seen corresponding path program 1 times [2023-12-16 06:21:40,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:40,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120296998] [2023-12-16 06:21:40,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:40,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:40,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:40,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120296998] [2023-12-16 06:21:40,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120296998] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:40,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:40,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:21:40,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199275580] [2023-12-16 06:21:40,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:40,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:21:40,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:40,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:21:40,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:21:40,703 INFO L87 Difference]: Start difference. First operand 8479 states and 11625 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) [2023-12-16 06:21:45,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:45,121 INFO L93 Difference]: Finished difference Result 16373 states and 23127 transitions. [2023-12-16 06:21:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:21:45,122 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 [2023-12-16 06:21:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:45,162 INFO L225 Difference]: With dead ends: 16373 [2023-12-16 06:21:45,162 INFO L226 Difference]: Without dead ends: 15014 [2023-12-16 06:21:45,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-16 06:21:45,170 INFO L413 NwaCegarLoop]: 1439 mSDtfsCounter, 11543 mSDsluCounter, 4702 mSDsCounter, 0 mSdLazyCounter, 6835 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11543 SdHoareTripleChecker+Valid, 6141 SdHoareTripleChecker+Invalid, 6969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 6835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:45,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11543 Valid, 6141 Invalid, 6969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 6835 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-12-16 06:21:45,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15014 states. [2023-12-16 06:21:45,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15014 to 8422. [2023-12-16 06:21:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8422 states, 8405 states have (on average 1.3733491969066032) internal successors, (11543), 8421 states have internal predecessors, (11543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8422 states to 8422 states and 11543 transitions. [2023-12-16 06:21:45,366 INFO L78 Accepts]: Start accepts. Automaton has 8422 states and 11543 transitions. Word has length 65 [2023-12-16 06:21:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:45,366 INFO L495 AbstractCegarLoop]: Abstraction has 8422 states and 11543 transitions. [2023-12-16 06:21:45,366 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) [2023-12-16 06:21:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 8422 states and 11543 transitions. [2023-12-16 06:21:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 06:21:45,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:45,374 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] [2023-12-16 06:21:45,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 06:21:45,378 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)] === [2023-12-16 06:21:45,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:45,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1194049603, now seen corresponding path program 1 times [2023-12-16 06:21:45,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968173148] [2023-12-16 06:21:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:45,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:45,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:45,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968173148] [2023-12-16 06:21:45,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968173148] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:45,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:45,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 06:21:45,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948977562] [2023-12-16 06:21:45,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:45,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 06:21:45,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:45,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 06:21:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:21:45,756 INFO L87 Difference]: Start difference. First operand 8422 states and 11543 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) [2023-12-16 06:21:48,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:48,454 INFO L93 Difference]: Finished difference Result 13352 states and 18900 transitions. [2023-12-16 06:21:48,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 06:21:48,455 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 [2023-12-16 06:21:48,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:48,486 INFO L225 Difference]: With dead ends: 13352 [2023-12-16 06:21:48,486 INFO L226 Difference]: Without dead ends: 11887 [2023-12-16 06:21:48,493 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 [2023-12-16 06:21:48,496 INFO L413 NwaCegarLoop]: 1422 mSDtfsCounter, 10183 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:48,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10183 Valid, 4801 Invalid, 4442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-16 06:21:48,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11887 states. [2023-12-16 06:21:48,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11887 to 8271. [2023-12-16 06:21:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8254 states have (on average 1.3727889508117277) internal successors, (11331), 8270 states have internal predecessors, (11331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 11331 transitions. [2023-12-16 06:21:48,759 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 11331 transitions. Word has length 65 [2023-12-16 06:21:48,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:48,760 INFO L495 AbstractCegarLoop]: Abstraction has 8271 states and 11331 transitions. [2023-12-16 06:21:48,760 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) [2023-12-16 06:21:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 11331 transitions. [2023-12-16 06:21:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 06:21:48,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:48,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:48,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 06:21:48,772 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)] === [2023-12-16 06:21:48,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:48,773 INFO L85 PathProgramCache]: Analyzing trace with hash -780640952, now seen corresponding path program 1 times [2023-12-16 06:21:48,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:48,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815034263] [2023-12-16 06:21:48,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:48,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:49,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:49,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:49,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815034263] [2023-12-16 06:21:49,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815034263] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:49,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:49,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:21:49,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413174786] [2023-12-16 06:21:49,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:49,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:21:49,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:49,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:21:49,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:21:49,021 INFO L87 Difference]: Start difference. First operand 8271 states and 11331 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) [2023-12-16 06:21:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:52,212 INFO L93 Difference]: Finished difference Result 11823 states and 16309 transitions. [2023-12-16 06:21:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 06:21:52,213 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 [2023-12-16 06:21:52,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:52,238 INFO L225 Difference]: With dead ends: 11823 [2023-12-16 06:21:52,239 INFO L226 Difference]: Without dead ends: 11815 [2023-12-16 06:21:52,244 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 [2023-12-16 06:21:52,246 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 6702 mSDsluCounter, 4490 mSDsCounter, 0 mSdLazyCounter, 5838 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:52,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6702 Valid, 5915 Invalid, 5900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 5838 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-16 06:21:52,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11815 states. [2023-12-16 06:21:52,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11815 to 8271. [2023-12-16 06:21:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8254 states have (on average 1.3726677974315484) internal successors, (11330), 8270 states have internal predecessors, (11330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 11330 transitions. [2023-12-16 06:21:52,456 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 11330 transitions. Word has length 66 [2023-12-16 06:21:52,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:52,457 INFO L495 AbstractCegarLoop]: Abstraction has 8271 states and 11330 transitions. [2023-12-16 06:21:52,457 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) [2023-12-16 06:21:52,458 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 11330 transitions. [2023-12-16 06:21:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 06:21:52,469 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:52,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:52,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 06:21:52,469 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)] === [2023-12-16 06:21:52,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:52,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1912274000, now seen corresponding path program 1 times [2023-12-16 06:21:52,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:52,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032714542] [2023-12-16 06:21:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:52,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:52,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:52,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032714542] [2023-12-16 06:21:52,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032714542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:52,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:52,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:21:52,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118004944] [2023-12-16 06:21:52,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:52,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:21:52,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:52,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:21:52,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:21:52,859 INFO L87 Difference]: Start difference. First operand 8271 states and 11330 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) [2023-12-16 06:21:55,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:55,909 INFO L93 Difference]: Finished difference Result 9711 states and 13341 transitions. [2023-12-16 06:21:55,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 06:21:55,909 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 [2023-12-16 06:21:55,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:55,924 INFO L225 Difference]: With dead ends: 9711 [2023-12-16 06:21:55,925 INFO L226 Difference]: Without dead ends: 9706 [2023-12-16 06:21:55,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-12-16 06:21:55,931 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 8018 mSDsluCounter, 5351 mSDsCounter, 0 mSdLazyCounter, 5948 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:55,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8018 Valid, 6730 Invalid, 5968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 5948 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-16 06:21:55,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9706 states. [2023-12-16 06:21:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9706 to 8271. [2023-12-16 06:21:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8254 states have (on average 1.372546644051369) internal successors, (11329), 8270 states have internal predecessors, (11329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 11329 transitions. [2023-12-16 06:21:56,095 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 11329 transitions. Word has length 66 [2023-12-16 06:21:56,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:56,095 INFO L495 AbstractCegarLoop]: Abstraction has 8271 states and 11329 transitions. [2023-12-16 06:21:56,096 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) [2023-12-16 06:21:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 11329 transitions. [2023-12-16 06:21:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 06:21:56,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:56,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:56,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 06:21:56,105 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)] === [2023-12-16 06:21:56,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:56,105 INFO L85 PathProgramCache]: Analyzing trace with hash -143652767, now seen corresponding path program 1 times [2023-12-16 06:21:56,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:56,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616973140] [2023-12-16 06:21:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:56,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:56,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:56,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616973140] [2023-12-16 06:21:56,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616973140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:56,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:56,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 06:21:56,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123736882] [2023-12-16 06:21:56,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:56,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 06:21:56,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:56,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 06:21:56,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-16 06:21:56,693 INFO L87 Difference]: Start difference. First operand 8271 states and 11329 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) [2023-12-16 06:21:58,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:21:58,464 INFO L93 Difference]: Finished difference Result 17197 states and 24854 transitions. [2023-12-16 06:21:58,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:21:58,464 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 [2023-12-16 06:21:58,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:21:58,488 INFO L225 Difference]: With dead ends: 17197 [2023-12-16 06:21:58,489 INFO L226 Difference]: Without dead ends: 15835 [2023-12-16 06:21:58,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2023-12-16 06:21:58,497 INFO L413 NwaCegarLoop]: 2493 mSDtfsCounter, 9376 mSDsluCounter, 8305 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9376 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:21:58,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9376 Valid, 10798 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 06:21:58,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15835 states. [2023-12-16 06:21:58,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15835 to 8207. [2023-12-16 06:21:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8207 states, 8191 states have (on average 1.3723599072152362) internal successors, (11241), 8206 states have internal predecessors, (11241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:21:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8207 states to 8207 states and 11241 transitions. [2023-12-16 06:21:58,807 INFO L78 Accepts]: Start accepts. Automaton has 8207 states and 11241 transitions. Word has length 66 [2023-12-16 06:21:58,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:21:58,807 INFO L495 AbstractCegarLoop]: Abstraction has 8207 states and 11241 transitions. [2023-12-16 06:21:58,807 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) [2023-12-16 06:21:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 8207 states and 11241 transitions. [2023-12-16 06:21:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 06:21:58,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:21:58,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:21:58,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 06:21:58,816 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)] === [2023-12-16 06:21:58,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:21:58,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1525924249, now seen corresponding path program 1 times [2023-12-16 06:21:58,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:21:58,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762755661] [2023-12-16 06:21:58,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:21:58,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:21:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:21:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:21:59,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:21:59,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762755661] [2023-12-16 06:21:59,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762755661] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:21:59,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:21:59,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 06:21:59,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169596560] [2023-12-16 06:21:59,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:21:59,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 06:21:59,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:21:59,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 06:21:59,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:21:59,345 INFO L87 Difference]: Start difference. First operand 8207 states and 11241 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) [2023-12-16 06:22:01,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:01,078 INFO L93 Difference]: Finished difference Result 15450 states and 22261 transitions. [2023-12-16 06:22:01,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 06:22:01,079 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 [2023-12-16 06:22:01,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:01,101 INFO L225 Difference]: With dead ends: 15450 [2023-12-16 06:22:01,102 INFO L226 Difference]: Without dead ends: 15446 [2023-12-16 06:22:01,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-12-16 06:22:01,107 INFO L413 NwaCegarLoop]: 2605 mSDtfsCounter, 10503 mSDsluCounter, 13102 mSDsCounter, 0 mSdLazyCounter, 1914 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10503 SdHoareTripleChecker+Valid, 15707 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:01,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10503 Valid, 15707 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1914 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 06:22:01,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15446 states. [2023-12-16 06:22:01,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15446 to 8203. [2023-12-16 06:22:01,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8203 states, 8188 states have (on average 1.3723742061553492) internal successors, (11237), 8202 states have internal predecessors, (11237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8203 states to 8203 states and 11237 transitions. [2023-12-16 06:22:01,304 INFO L78 Accepts]: Start accepts. Automaton has 8203 states and 11237 transitions. Word has length 66 [2023-12-16 06:22:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:01,304 INFO L495 AbstractCegarLoop]: Abstraction has 8203 states and 11237 transitions. [2023-12-16 06:22:01,304 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) [2023-12-16 06:22:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 8203 states and 11237 transitions. [2023-12-16 06:22:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 06:22:01,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:01,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:22:01,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 06:22:01,318 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)] === [2023-12-16 06:22:01,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:01,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2095330879, now seen corresponding path program 1 times [2023-12-16 06:22:01,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:01,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969156850] [2023-12-16 06:22:01,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:01,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:01,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:01,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969156850] [2023-12-16 06:22:01,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969156850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:01,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:01,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:22:01,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607490992] [2023-12-16 06:22:01,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:01,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:22:01,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:01,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:22:01,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:22:01,809 INFO L87 Difference]: Start difference. First operand 8203 states and 11237 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) [2023-12-16 06:22:03,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:03,420 INFO L93 Difference]: Finished difference Result 17408 states and 25138 transitions. [2023-12-16 06:22:03,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:22:03,420 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 [2023-12-16 06:22:03,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:03,438 INFO L225 Difference]: With dead ends: 17408 [2023-12-16 06:22:03,438 INFO L226 Difference]: Without dead ends: 15977 [2023-12-16 06:22:03,444 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 [2023-12-16 06:22:03,445 INFO L413 NwaCegarLoop]: 2507 mSDtfsCounter, 18870 mSDsluCounter, 9451 mSDsCounter, 0 mSdLazyCounter, 2030 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18870 SdHoareTripleChecker+Valid, 11958 SdHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:03,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18870 Valid, 11958 Invalid, 2042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2030 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 06:22:03,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15977 states. [2023-12-16 06:22:03,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15977 to 8171. [2023-12-16 06:22:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8156 states have (on average 1.3729769494850417) internal successors, (11198), 8170 states have internal predecessors, (11198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 11198 transitions. [2023-12-16 06:22:03,613 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 11198 transitions. Word has length 67 [2023-12-16 06:22:03,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:03,613 INFO L495 AbstractCegarLoop]: Abstraction has 8171 states and 11198 transitions. [2023-12-16 06:22:03,613 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) [2023-12-16 06:22:03,614 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 11198 transitions. [2023-12-16 06:22:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 06:22:03,621 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:03,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:22:03,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 06:22:03,621 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)] === [2023-12-16 06:22:03,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:03,622 INFO L85 PathProgramCache]: Analyzing trace with hash 920345528, now seen corresponding path program 1 times [2023-12-16 06:22:03,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:03,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049056056] [2023-12-16 06:22:03,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:03,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:03,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:03,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049056056] [2023-12-16 06:22:03,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049056056] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:03,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:03,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 06:22:03,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887511507] [2023-12-16 06:22:03,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:03,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 06:22:03,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:03,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 06:22:03,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:22:03,894 INFO L87 Difference]: Start difference. First operand 8171 states and 11198 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) [2023-12-16 06:22:06,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:06,262 INFO L93 Difference]: Finished difference Result 13338 states and 18874 transitions. [2023-12-16 06:22:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 06:22:06,263 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 [2023-12-16 06:22:06,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:06,274 INFO L225 Difference]: With dead ends: 13338 [2023-12-16 06:22:06,274 INFO L226 Difference]: Without dead ends: 11757 [2023-12-16 06:22:06,277 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 [2023-12-16 06:22:06,278 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 6624 mSDsluCounter, 3130 mSDsCounter, 0 mSdLazyCounter, 4195 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6624 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, 2.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:06,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6624 Valid, 4479 Invalid, 4208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4195 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-16 06:22:06,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11757 states. [2023-12-16 06:22:06,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11757 to 8171. [2023-12-16 06:22:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8156 states have (on average 1.372854340362923) internal successors, (11197), 8170 states have internal predecessors, (11197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 11197 transitions. [2023-12-16 06:22:06,407 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 11197 transitions. Word has length 67 [2023-12-16 06:22:06,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:06,407 INFO L495 AbstractCegarLoop]: Abstraction has 8171 states and 11197 transitions. [2023-12-16 06:22:06,408 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) [2023-12-16 06:22:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 11197 transitions. [2023-12-16 06:22:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 06:22:06,414 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:06,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:22:06,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 06:22:06,415 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)] === [2023-12-16 06:22:06,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:06,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1407222430, now seen corresponding path program 1 times [2023-12-16 06:22:06,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:06,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478717828] [2023-12-16 06:22:06,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:06,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:06,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:06,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478717828] [2023-12-16 06:22:06,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478717828] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:06,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:06,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:06,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880927269] [2023-12-16 06:22:06,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:06,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:06,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:06,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:06,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:06,634 INFO L87 Difference]: Start difference. First operand 8171 states and 11197 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) Received shutdown request... [2023-12-16 06:22:09,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 06:22:09,144 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 [2023-12-16 06:22:09,145 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 8897 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 5055 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8897 SdHoareTripleChecker+Valid, 4709 SdHoareTripleChecker+Invalid, 5107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 5055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:09,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8897 Valid, 4709 Invalid, 5107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 5055 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 06:22:09,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (16 of 17 remaining) [2023-12-16 06:22:09,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 06:22:09,148 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). [2023-12-16 06:22:09,162 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 17 remaining) [2023-12-16 06:22:09,162 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 17 remaining) [2023-12-16 06:22:09,162 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 17 remaining) [2023-12-16 06:22:09,162 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (12 of 17 remaining) [2023-12-16 06:22:09,163 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (11 of 17 remaining) [2023-12-16 06:22:09,163 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (10 of 17 remaining) [2023-12-16 06:22:09,163 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (9 of 17 remaining) [2023-12-16 06:22:09,163 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (8 of 17 remaining) [2023-12-16 06:22:09,163 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (7 of 17 remaining) [2023-12-16 06:22:09,163 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (6 of 17 remaining) [2023-12-16 06:22:09,163 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (5 of 17 remaining) [2023-12-16 06:22:09,164 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (4 of 17 remaining) [2023-12-16 06:22:09,164 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (3 of 17 remaining) [2023-12-16 06:22:09,164 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (2 of 17 remaining) [2023-12-16 06:22:09,164 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (1 of 17 remaining) [2023-12-16 06:22:09,164 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (0 of 17 remaining) [2023-12-16 06:22:09,167 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:22:09,169 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 06:22:09,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:22:09 BoogieIcfgContainer [2023-12-16 06:22:09,171 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 06:22:09,171 INFO L158 Benchmark]: Toolchain (without parser) took 51634.03ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 850.4MB). Free memory was 140.5MB in the beginning and 803.5MB in the end (delta: -662.9MB). Peak memory consumption was 187.8MB. Max. memory is 8.0GB. [2023-12-16 06:22:09,172 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 202.4MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 06:22:09,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2424.48ms. Allocated memory was 202.4MB in the beginning and 290.5MB in the end (delta: 88.1MB). Free memory was 140.2MB in the beginning and 98.4MB in the end (delta: 41.8MB). Peak memory consumption was 130.6MB. Max. memory is 8.0GB. [2023-12-16 06:22:09,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 396.33ms. Allocated memory is still 290.5MB. Free memory was 98.4MB in the beginning and 177.5MB in the end (delta: -79.2MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-16 06:22:09,172 INFO L158 Benchmark]: Boogie Preprocessor took 686.58ms. Allocated memory is still 290.5MB. Free memory was 177.5MB in the beginning and 182.4MB in the end (delta: -4.9MB). Peak memory consumption was 114.1MB. Max. memory is 8.0GB. [2023-12-16 06:22:09,173 INFO L158 Benchmark]: RCFGBuilder took 6918.84ms. Allocated memory was 290.5MB in the beginning and 720.4MB in the end (delta: 429.9MB). Free memory was 182.4MB in the beginning and 367.2MB in the end (delta: -184.7MB). Peak memory consumption was 245.7MB. Max. memory is 8.0GB. [2023-12-16 06:22:09,173 INFO L158 Benchmark]: TraceAbstraction took 41194.28ms. Allocated memory was 720.4MB in the beginning and 1.1GB in the end (delta: 332.4MB). Free memory was 366.1MB in the beginning and 803.5MB in the end (delta: -437.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 06:22:09,174 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 202.4MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2424.48ms. Allocated memory was 202.4MB in the beginning and 290.5MB in the end (delta: 88.1MB). Free memory was 140.2MB in the beginning and 98.4MB in the end (delta: 41.8MB). Peak memory consumption was 130.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 396.33ms. Allocated memory is still 290.5MB. Free memory was 98.4MB in the beginning and 177.5MB in the end (delta: -79.2MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 686.58ms. Allocated memory is still 290.5MB. Free memory was 177.5MB in the beginning and 182.4MB in the end (delta: -4.9MB). Peak memory consumption was 114.1MB. Max. memory is 8.0GB. * RCFGBuilder took 6918.84ms. Allocated memory was 290.5MB in the beginning and 720.4MB in the end (delta: 429.9MB). Free memory was 182.4MB in the beginning and 367.2MB in the end (delta: -184.7MB). Peak memory consumption was 245.7MB. Max. memory is 8.0GB. * TraceAbstraction took 41194.28ms. Allocated memory was 720.4MB in the beginning and 1.1GB in the end (delta: 332.4MB). Free memory was 366.1MB in the beginning and 803.5MB in the end (delta: -437.3MB). There was no memory consumed. 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: 5168]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5168). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1916]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1916). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2438]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2438). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 4496]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4496). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5641]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5641). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 6520]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6520). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7186]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7186). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7774]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7774). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 10622]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10622). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 10884]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10884). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 11556]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11556). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 12029]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 12029). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 13917]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 13917). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 16181]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 16181). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 18336]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18336). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 20556]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 20556). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 23076]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 23076). Cancelled while NwaCegarLoop was constructing difference of abstraction (8171states) and FLOYD_HOARE automaton (currently 12 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (6608 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data [2023-12-16 06:22:09,179 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 CFG has 1 procedures, 3530 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 41.1s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 33.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142221 SdHoareTripleChecker+Valid, 29.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142221 mSDsluCounter, 81220 SdHoareTripleChecker+Invalid, 23.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58307 mSDsCounter, 616 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47519 IncrementalHoareTripleChecker+Invalid, 48135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 616 mSolverCounterUnsat, 22913 mSDtfsCounter, 47519 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8479occurred in iteration=4, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 41556 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 851 NumberOfCodeBlocks, 851 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 838 ConstructedInterpolants, 0 QuantifiedInterpolants, 7566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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