/usr/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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 06:16:57,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 06:16:57,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 06:16:57,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-02 06:16:57,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 06:16:57,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 06:16:57,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 06:16:57,663 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 06:16:57,685 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 06:16:57,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 06:16:57,686 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 06:16:57,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 06:16:57,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 06:16:57,687 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 06:16:57,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 06:16:57,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 06:16:57,688 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 06:16:57,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 06:16:57,689 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 06:16:57,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 06:16:57,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 06:16:57,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 06:16:57,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 06:16:57,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 06:16:57,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 06:16:57,690 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 06:16:57,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 06:16:57,690 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 06:16:57,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 06:16:57,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 06:16:57,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 06:16:57,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 06:16:57,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 06:16:57,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 06:16:57,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 06:16:57,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 06:16:57,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 06:16:57,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 06:16:57,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 06:16:57,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 06:16:57,692 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 06:16:57,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 06:16:57,692 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 06:16:57,692 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 06:16:57,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 06:16:57,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 06:16:57,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 06:16:57,910 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 06:16:57,910 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 06:16:57,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-04-02 06:16:59,000 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 06:16:59,448 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 06:16:59,449 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-04-02 06:16:59,496 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb91280c9/948c2251d1f14b9498136f95cb258d5f/FLAGa96a1367a [2023-04-02 06:16:59,507 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb91280c9/948c2251d1f14b9498136f95cb258d5f [2023-04-02 06:16:59,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 06:16:59,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 06:16:59,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 06:16:59,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 06:16:59,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 06:16:59,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 06:16:59" (1/1) ... [2023-04-02 06:16:59,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572ed46f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:16:59, skipping insertion in model container [2023-04-02 06:16:59,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 06:16:59" (1/1) ... [2023-04-02 06:16:59,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 06:16:59,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 06:17:00,369 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82693,82706] [2023-04-02 06:17:00,455 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[113477,113490] [2023-04-02 06:17:00,602 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[165794,165807] [2023-04-02 06:17:00,648 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[197365,197378] [2023-04-02 06:17:00,668 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[205886,205899] [2023-04-02 06:17:00,672 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[207836,207849] [2023-04-02 06:17:00,697 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[224171,224184] [2023-04-02 06:17:00,707 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231245,231258] [2023-04-02 06:17:00,751 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[259571,259584] [2023-04-02 06:17:00,791 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[287337,287350] [2023-04-02 06:17:00,896 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[370939,370952] [2023-04-02 06:17:00,920 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[389606,389619] [2023-04-02 06:17:00,945 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[408649,408662] [2023-04-02 06:17:00,954 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[415665,415678] [2023-04-02 06:17:00,959 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[419162,419175] [2023-04-02 06:17:00,977 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[433807,433820] [2023-04-02 06:17:00,996 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[448287,448300] [2023-04-02 06:17:01,036 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[480365,480378] [2023-04-02 06:17:01,209 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[569807,569820] [2023-04-02 06:17:01,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 06:17:01,363 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 06:17:01,508 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82693,82706] [2023-04-02 06:17:01,548 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[113477,113490] [2023-04-02 06:17:01,611 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[165794,165807] [2023-04-02 06:17:01,648 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[197365,197378] [2023-04-02 06:17:01,659 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[205886,205899] [2023-04-02 06:17:01,663 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[207836,207849] [2023-04-02 06:17:01,684 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[224171,224184] [2023-04-02 06:17:01,694 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231245,231258] [2023-04-02 06:17:01,730 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[259571,259584] [2023-04-02 06:17:01,766 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[287337,287350] [2023-04-02 06:17:01,916 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[370939,370952] [2023-04-02 06:17:01,939 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[389606,389619] [2023-04-02 06:17:01,962 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[408649,408662] [2023-04-02 06:17:01,971 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[415665,415678] [2023-04-02 06:17:01,975 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[419162,419175] [2023-04-02 06:17:01,992 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[433807,433820] [2023-04-02 06:17:02,008 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[448287,448300] [2023-04-02 06:17:02,041 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[480365,480378] [2023-04-02 06:17:02,133 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[569807,569820] [2023-04-02 06:17:02,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 06:17:02,267 INFO L208 MainTranslator]: Completed translation [2023-04-02 06:17:02,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02 WrapperNode [2023-04-02 06:17:02,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 06:17:02,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 06:17:02,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 06:17:02,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 06:17:02,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 06:17:02,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 06:17:02,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 06:17:02,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 06:17:02,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (1/1) ... [2023-04-02 06:17:02,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 06:17:02,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 06:17:02,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 06:17:02,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 06:17:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 06:17:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 06:17:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 06:17:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 06:17:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 06:17:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 06:17:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 06:17:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 06:17:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 06:17:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 06:17:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure read [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 06:17:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 06:17:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 06:17:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 06:17:03,412 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 06:17:03,413 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 06:17:10,670 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 06:17:10,710 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 06:17:10,710 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 06:17:10,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 06:17:10 BoogieIcfgContainer [2023-04-02 06:17:10,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 06:17:10,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 06:17:10,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 06:17:10,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 06:17:10,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 06:16:59" (1/3) ... [2023-04-02 06:17:10,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295a0077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 06:17:10, skipping insertion in model container [2023-04-02 06:17:10,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 06:17:02" (2/3) ... [2023-04-02 06:17:10,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295a0077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 06:17:10, skipping insertion in model container [2023-04-02 06:17:10,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 06:17:10" (3/3) ... [2023-04-02 06:17:10,728 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-04-02 06:17:10,743 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 06:17:10,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-04-02 06:17:10,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 06:17:10,890 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=LoopsAndPotentialCycles, 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;@3fde117e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 06:17:10,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2023-04-02 06:17:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 6188 states, 6164 states have (on average 1.8074302401038287) internal successors, (11141), 6183 states have internal predecessors, (11141), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-02 06:17:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-04-02 06:17:10,951 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 06:17:10,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 06:17:10,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr14ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2023-04-02 06:17:10,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 06:17:10,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1549284628, now seen corresponding path program 1 times [2023-04-02 06:17:10,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 06:17:10,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510668125] [2023-04-02 06:17:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 06:17:10,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 06:17:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:17:14,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 06:17:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:17:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 06:17:14,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 06:17:14,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510668125] [2023-04-02 06:17:14,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510668125] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 06:17:14,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 06:17:14,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 06:17:14,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853122059] [2023-04-02 06:17:14,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 06:17:14,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 06:17:14,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 06:17:14,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 06:17:14,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-02 06:17:14,645 INFO L87 Difference]: Start difference. First operand has 6188 states, 6164 states have (on average 1.8074302401038287) internal successors, (11141), 6183 states have internal predecessors, (11141), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:18:05,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 06:18:05,253 INFO L93 Difference]: Finished difference Result 9231 states and 16410 transitions. [2023-04-02 06:18:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 06:18:05,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2023-04-02 06:18:05,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 06:18:05,298 INFO L225 Difference]: With dead ends: 9231 [2023-04-02 06:18:05,298 INFO L226 Difference]: Without dead ends: 5819 [2023-04-02 06:18:05,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-02 06:18:05,311 INFO L413 NwaCegarLoop]: 4779 mSDtfsCounter, 29239 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 13561 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29239 SdHoareTripleChecker+Valid, 5748 SdHoareTripleChecker+Invalid, 13631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 13561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.0s IncrementalHoareTripleChecker+Time [2023-04-02 06:18:05,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29239 Valid, 5748 Invalid, 13631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [70 Valid, 13561 Invalid, 0 Unknown, 0 Unchecked, 47.0s Time] [2023-04-02 06:18:05,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5819 states. [2023-04-02 06:18:05,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5819 to 5789. [2023-04-02 06:18:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5789 states, 5767 states have (on average 1.3331021328246921) internal successors, (7688), 5785 states have internal predecessors, (7688), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:18:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5789 states to 5789 states and 7691 transitions. [2023-04-02 06:18:05,590 INFO L78 Accepts]: Start accepts. Automaton has 5789 states and 7691 transitions. Word has length 81 [2023-04-02 06:18:05,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 06:18:05,597 INFO L495 AbstractCegarLoop]: Abstraction has 5789 states and 7691 transitions. [2023-04-02 06:18:05,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:18:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5789 states and 7691 transitions. [2023-04-02 06:18:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-04-02 06:18:05,611 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 06:18:05,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 06:18:05,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 06:18:05,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr14ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2023-04-02 06:18:05,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 06:18:05,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1408400692, now seen corresponding path program 1 times [2023-04-02 06:18:05,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 06:18:05,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044164733] [2023-04-02 06:18:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 06:18:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 06:18:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:18:08,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 06:18:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:18:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 06:18:09,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 06:18:09,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044164733] [2023-04-02 06:18:09,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044164733] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 06:18:09,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 06:18:09,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 06:18:09,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35368745] [2023-04-02 06:18:09,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 06:18:09,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 06:18:09,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 06:18:09,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 06:18:09,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-02 06:18:09,097 INFO L87 Difference]: Start difference. First operand 5789 states and 7691 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:18:48,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 06:18:48,826 INFO L93 Difference]: Finished difference Result 6286 states and 8365 transitions. [2023-04-02 06:18:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 06:18:48,826 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2023-04-02 06:18:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 06:18:48,847 INFO L225 Difference]: With dead ends: 6286 [2023-04-02 06:18:48,847 INFO L226 Difference]: Without dead ends: 6281 [2023-04-02 06:18:48,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2023-04-02 06:18:48,850 INFO L413 NwaCegarLoop]: 3024 mSDtfsCounter, 31090 mSDsluCounter, 9129 mSDsCounter, 0 mSdLazyCounter, 20464 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31090 SdHoareTripleChecker+Valid, 12153 SdHoareTripleChecker+Invalid, 20537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 20464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2023-04-02 06:18:48,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31090 Valid, 12153 Invalid, 20537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [73 Valid, 20464 Invalid, 0 Unknown, 0 Unchecked, 36.1s Time] [2023-04-02 06:18:48,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6281 states. [2023-04-02 06:18:49,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6281 to 5789. [2023-04-02 06:18:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5789 states, 5767 states have (on average 1.3329287324432113) internal successors, (7687), 5785 states have internal predecessors, (7687), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:18:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5789 states to 5789 states and 7690 transitions. [2023-04-02 06:18:49,028 INFO L78 Accepts]: Start accepts. Automaton has 5789 states and 7690 transitions. Word has length 82 [2023-04-02 06:18:49,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 06:18:49,029 INFO L495 AbstractCegarLoop]: Abstraction has 5789 states and 7690 transitions. [2023-04-02 06:18:49,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:18:49,029 INFO L276 IsEmpty]: Start isEmpty. Operand 5789 states and 7690 transitions. [2023-04-02 06:18:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-04-02 06:18:49,038 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 06:18:49,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 06:18:49,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 06:18:49,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr1ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2023-04-02 06:18:49,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 06:18:49,039 INFO L85 PathProgramCache]: Analyzing trace with hash 939253606, now seen corresponding path program 1 times [2023-04-02 06:18:49,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 06:18:49,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506170547] [2023-04-02 06:18:49,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 06:18:49,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 06:18:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:18:52,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 06:18:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:18:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 06:18:52,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 06:18:52,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506170547] [2023-04-02 06:18:52,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506170547] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 06:18:52,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 06:18:52,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 06:18:52,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792517824] [2023-04-02 06:18:52,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 06:18:52,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 06:18:52,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 06:18:52,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 06:18:52,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-02 06:18:52,145 INFO L87 Difference]: Start difference. First operand 5789 states and 7690 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:19:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 06:19:21,494 INFO L93 Difference]: Finished difference Result 9675 states and 12905 transitions. [2023-04-02 06:19:21,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 06:19:21,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2023-04-02 06:19:21,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 06:19:21,510 INFO L225 Difference]: With dead ends: 9675 [2023-04-02 06:19:21,511 INFO L226 Difference]: Without dead ends: 6125 [2023-04-02 06:19:21,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-02 06:19:21,516 INFO L413 NwaCegarLoop]: 2433 mSDtfsCounter, 18092 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 8579 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18092 SdHoareTripleChecker+Valid, 3199 SdHoareTripleChecker+Invalid, 8629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 8579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2023-04-02 06:19:21,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18092 Valid, 3199 Invalid, 8629 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [50 Valid, 8579 Invalid, 0 Unknown, 0 Unchecked, 26.0s Time] [2023-04-02 06:19:21,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6125 states. [2023-04-02 06:19:21,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6125 to 6096. [2023-04-02 06:19:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6096 states, 6074 states have (on average 1.3519920974646031) internal successors, (8212), 6092 states have internal predecessors, (8212), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:19:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6096 states to 6096 states and 8215 transitions. [2023-04-02 06:19:21,739 INFO L78 Accepts]: Start accepts. Automaton has 6096 states and 8215 transitions. Word has length 82 [2023-04-02 06:19:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 06:19:21,739 INFO L495 AbstractCegarLoop]: Abstraction has 6096 states and 8215 transitions. [2023-04-02 06:19:21,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:19:21,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6096 states and 8215 transitions. [2023-04-02 06:19:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-04-02 06:19:21,750 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 06:19:21,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 06:19:21,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 06:19:21,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr18ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2023-04-02 06:19:21,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 06:19:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1799558689, now seen corresponding path program 1 times [2023-04-02 06:19:21,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 06:19:21,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553965589] [2023-04-02 06:19:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 06:19:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 06:19:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:19:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 06:19:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:19:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 06:19:24,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 06:19:24,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553965589] [2023-04-02 06:19:24,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553965589] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 06:19:24,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 06:19:24,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 06:19:24,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829399086] [2023-04-02 06:19:24,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 06:19:24,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 06:19:24,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 06:19:24,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 06:19:24,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-02 06:19:24,660 INFO L87 Difference]: Start difference. First operand 6096 states and 8215 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:19:52,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 06:19:52,552 INFO L93 Difference]: Finished difference Result 11975 states and 16296 transitions. [2023-04-02 06:19:52,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 06:19:52,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2023-04-02 06:19:52,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 06:19:52,574 INFO L225 Difference]: With dead ends: 11975 [2023-04-02 06:19:52,575 INFO L226 Difference]: Without dead ends: 8183 [2023-04-02 06:19:52,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-02 06:19:52,581 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 17332 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 8400 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17332 SdHoareTripleChecker+Valid, 3086 SdHoareTripleChecker+Invalid, 8537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 8400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2023-04-02 06:19:52,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17332 Valid, 3086 Invalid, 8537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 8400 Invalid, 0 Unknown, 0 Unchecked, 24.7s Time] [2023-04-02 06:19:52,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8183 states. [2023-04-02 06:19:52,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8183 to 8157. [2023-04-02 06:19:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8157 states, 8135 states have (on average 1.3471419791026429) internal successors, (10959), 8153 states have internal predecessors, (10959), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:19:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8157 states to 8157 states and 10962 transitions. [2023-04-02 06:19:52,900 INFO L78 Accepts]: Start accepts. Automaton has 8157 states and 10962 transitions. Word has length 83 [2023-04-02 06:19:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 06:19:52,900 INFO L495 AbstractCegarLoop]: Abstraction has 8157 states and 10962 transitions. [2023-04-02 06:19:52,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:19:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8157 states and 10962 transitions. [2023-04-02 06:19:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-04-02 06:19:52,914 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 06:19:52,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 06:19:52,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 06:19:52,914 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr14ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2023-04-02 06:19:52,915 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 06:19:52,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1116280278, now seen corresponding path program 1 times [2023-04-02 06:19:52,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 06:19:52,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512021613] [2023-04-02 06:19:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 06:19:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 06:19:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:19:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 06:19:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:19:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 06:19:56,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 06:19:56,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512021613] [2023-04-02 06:19:56,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512021613] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 06:19:56,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 06:19:56,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 06:19:56,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395464419] [2023-04-02 06:19:56,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 06:19:56,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 06:19:56,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 06:19:56,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 06:19:56,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-04-02 06:19:56,518 INFO L87 Difference]: Start difference. First operand 8157 states and 10962 transitions. Second operand has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:20:01,872 WARN L223 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 967 DAG size of output: 962 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-02 06:20:35,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 06:20:35,288 INFO L93 Difference]: Finished difference Result 19247 states and 27578 transitions. [2023-04-02 06:20:35,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 06:20:35,289 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2023-04-02 06:20:35,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 06:20:35,333 INFO L225 Difference]: With dead ends: 19247 [2023-04-02 06:20:35,333 INFO L226 Difference]: Without dead ends: 18391 [2023-04-02 06:20:35,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2023-04-02 06:20:35,343 INFO L413 NwaCegarLoop]: 5191 mSDtfsCounter, 29678 mSDsluCounter, 24958 mSDsCounter, 0 mSdLazyCounter, 9839 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29678 SdHoareTripleChecker+Valid, 30149 SdHoareTripleChecker+Invalid, 9886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 9839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2023-04-02 06:20:35,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29678 Valid, 30149 Invalid, 9886 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [47 Valid, 9839 Invalid, 0 Unknown, 0 Unchecked, 31.6s Time] [2023-04-02 06:20:35,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18391 states. [2023-04-02 06:20:35,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18391 to 8063. [2023-04-02 06:20:35,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8063 states, 8042 states have (on average 1.345809500124347) internal successors, (10823), 8059 states have internal predecessors, (10823), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:20:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8063 states to 8063 states and 10826 transitions. [2023-04-02 06:20:36,002 INFO L78 Accepts]: Start accepts. Automaton has 8063 states and 10826 transitions. Word has length 83 [2023-04-02 06:20:36,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 06:20:36,002 INFO L495 AbstractCegarLoop]: Abstraction has 8063 states and 10826 transitions. [2023-04-02 06:20:36,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 06:20:36,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8063 states and 10826 transitions. [2023-04-02 06:20:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-04-02 06:20:36,014 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 06:20:36,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 06:20:36,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 06:20:36,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr18ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2023-04-02 06:20:36,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 06:20:36,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2135418263, now seen corresponding path program 1 times [2023-04-02 06:20:36,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 06:20:36,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579278070] [2023-04-02 06:20:36,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 06:20:36,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 06:20:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:20:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 06:20:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 06:20:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 06:20:39,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 06:20:39,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579278070] [2023-04-02 06:20:39,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579278070] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 06:20:39,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 06:20:39,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 06:20:39,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891376063] [2023-04-02 06:20:39,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 06:20:39,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 06:20:39,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 06:20:39,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 06:20:39,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-04-02 06:20:39,260 INFO L87 Difference]: Start difference. First operand 8063 states and 10826 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)