/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:02:05,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:02:05,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:02:05,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:02:05,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:02:05,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:02:05,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:02:05,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:02:05,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:02:05,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:02:05,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:02:05,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:02:05,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:02:05,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:02:05,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:02:05,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:02:05,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:02:05,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:02:05,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:02:05,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:02:05,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:02:05,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:02:05,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:02:05,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:02:05,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:02:05,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:02:05,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:02:05,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:02:05,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:02:05,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:02:05,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:02:05,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:02:05,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:02:05,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:02:05,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:02:05,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:02:05,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:02:05,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:02:05,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:02:05,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:02:05,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:02:05,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:02:05,624 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:02:05,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:02:05,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:02:05,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:02:05,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:02:05,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:02:05,626 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:02:05,626 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:02:05,626 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:02:05,626 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:02:05,627 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:02:05,627 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:02:05,627 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:02:05,628 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:02:05,628 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:02:05,628 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:02:05,628 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:02:05,628 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:02:05,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:02:05,629 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:02:05,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:02:05,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:02:05,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:02:05,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:02:05,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:02:05,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:02:05,630 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:02:05,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:02:05,630 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:02:05,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:02:05,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:02:05,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:02:05,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:02:05,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:02:05,631 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:02:05,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:02:05,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:02:05,631 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:02:05,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:02:05,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:02:05,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:02:05,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:02:05,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:02:05,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:02:05,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:02:05,875 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:02:05,876 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:02:05,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2023-04-01 05:02:07,066 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:02:07,368 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:02:07,369 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2023-04-01 05:02:07,389 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33e08e58/d03669d2265c4022b82ecfff84bfb447/FLAGe62bf4eda [2023-04-01 05:02:07,407 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33e08e58/d03669d2265c4022b82ecfff84bfb447 [2023-04-01 05:02:07,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:02:07,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:02:07,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:02:07,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:02:07,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:02:07,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:02:07" (1/1) ... [2023-04-01 05:02:07,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68353ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:07, skipping insertion in model container [2023-04-01 05:02:07,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:02:07" (1/1) ... [2023-04-01 05:02:07,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:02:07,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:02:07,678 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2023-04-01 05:02:07,686 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2023-04-01 05:02:07,689 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2023-04-01 05:02:07,696 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2023-04-01 05:02:07,700 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2023-04-01 05:02:07,702 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2023-04-01 05:02:07,706 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2023-04-01 05:02:07,708 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2023-04-01 05:02:07,710 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2023-04-01 05:02:07,712 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2023-04-01 05:02:07,714 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2023-04-01 05:02:07,717 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2023-04-01 05:02:07,721 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2023-04-01 05:02:07,722 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2023-04-01 05:02:07,938 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2023-04-01 05:02:07,942 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2023-04-01 05:02:07,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:02:07,967 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:02:07,984 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2023-04-01 05:02:07,985 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2023-04-01 05:02:07,986 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2023-04-01 05:02:07,987 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2023-04-01 05:02:07,987 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2023-04-01 05:02:07,988 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2023-04-01 05:02:07,989 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2023-04-01 05:02:07,990 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2023-04-01 05:02:07,990 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2023-04-01 05:02:07,991 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2023-04-01 05:02:07,992 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2023-04-01 05:02:07,993 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2023-04-01 05:02:07,994 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2023-04-01 05:02:07,994 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2023-04-01 05:02:08,138 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2023-04-01 05:02:08,141 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/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2023-04-01 05:02:08,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:02:08,164 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:02:08,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08 WrapperNode [2023-04-01 05:02:08,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:02:08,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:02:08,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:02:08,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:02:08,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:02:08,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:02:08,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:02:08,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:02:08,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (1/1) ... [2023-04-01 05:02:08,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:02:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:02:08,306 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) [2023-04-01 05:02:08,325 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 [2023-04-01 05:02:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:02:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:02:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:02:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 05:02:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:02:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:02:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:02:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:02:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:02:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 05:02:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 05:02:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:02:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:02:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:02:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:02:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:02:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:02:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:02:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:02:08,556 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:02:08,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:02:09,740 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:02:09,774 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:02:09,774 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 05:02:09,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:02:09 BoogieIcfgContainer [2023-04-01 05:02:09,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:02:09,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:02:09,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:02:09,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:02:09,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:02:07" (1/3) ... [2023-04-01 05:02:09,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcd8417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:02:09, skipping insertion in model container [2023-04-01 05:02:09,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:02:08" (2/3) ... [2023-04-01 05:02:09,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcd8417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:02:09, skipping insertion in model container [2023-04-01 05:02:09,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:02:09" (3/3) ... [2023-04-01 05:02:09,794 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2023-04-01 05:02:09,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:02:09,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-04-01 05:02:09,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:02:09,878 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=FINITE_AUTOMATA, 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;@3b600588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:02:09,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-04-01 05:02:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 308 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 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) [2023-04-01 05:02:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-04-01 05:02:09,891 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:09,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:09,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:09,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:09,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1653044723, now seen corresponding path program 1 times [2023-04-01 05:02:09,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:09,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247661186] [2023-04-01 05:02:09,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:09,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:10,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:10,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247661186] [2023-04-01 05:02:10,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247661186] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:10,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:10,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:02:10,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431645759] [2023-04-01 05:02:10,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:10,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:02:10,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:10,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:02:10,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:02:10,219 INFO L87 Difference]: Start difference. First operand has 308 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:10,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:10,868 INFO L93 Difference]: Finished difference Result 318 states and 578 transitions. [2023-04-01 05:02:10,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:02:10,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 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 10 [2023-04-01 05:02:10,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:10,884 INFO L225 Difference]: With dead ends: 318 [2023-04-01 05:02:10,884 INFO L226 Difference]: Without dead ends: 301 [2023-04-01 05:02:10,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:10,890 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 485 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:10,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 474 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 05:02:10,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-04-01 05:02:10,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2023-04-01 05:02:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 297 states have internal predecessors, (421), 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) [2023-04-01 05:02:10,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 424 transitions. [2023-04-01 05:02:10,937 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 424 transitions. Word has length 10 [2023-04-01 05:02:10,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:10,937 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 424 transitions. [2023-04-01 05:02:10,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 424 transitions. [2023-04-01 05:02:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-04-01 05:02:10,938 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:10,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:10,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:02:10,939 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:10,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:10,940 INFO L85 PathProgramCache]: Analyzing trace with hash 295224205, now seen corresponding path program 1 times [2023-04-01 05:02:10,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:10,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901941088] [2023-04-01 05:02:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:10,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:11,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:11,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901941088] [2023-04-01 05:02:11,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901941088] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:11,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:11,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 05:02:11,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530194265] [2023-04-01 05:02:11,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:11,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 05:02:11,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:11,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 05:02:11,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:11,107 INFO L87 Difference]: Start difference. First operand 301 states and 424 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:11,580 INFO L93 Difference]: Finished difference Result 308 states and 431 transitions. [2023-04-01 05:02:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:02:11,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (2), 1 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 11 [2023-04-01 05:02:11,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:11,585 INFO L225 Difference]: With dead ends: 308 [2023-04-01 05:02:11,585 INFO L226 Difference]: Without dead ends: 303 [2023-04-01 05:02:11,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:11,587 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 21 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:11,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 996 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-04-01 05:02:11,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 296. [2023-04-01 05:02:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 279 states have (on average 1.2759856630824373) internal successors, (356), 292 states have internal predecessors, (356), 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) [2023-04-01 05:02:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 359 transitions. [2023-04-01 05:02:11,612 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 359 transitions. Word has length 11 [2023-04-01 05:02:11,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:11,612 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 359 transitions. [2023-04-01 05:02:11,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:11,615 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 359 transitions. [2023-04-01 05:02:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-04-01 05:02:11,616 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:11,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:11,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:02:11,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr2ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:11,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:11,617 INFO L85 PathProgramCache]: Analyzing trace with hash 311474202, now seen corresponding path program 1 times [2023-04-01 05:02:11,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:11,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933415903] [2023-04-01 05:02:11,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:11,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:11,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:11,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933415903] [2023-04-01 05:02:11,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933415903] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:11,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:11,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:02:11,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588620698] [2023-04-01 05:02:11,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:11,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:02:11,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:11,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:02:11,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:02:11,707 INFO L87 Difference]: Start difference. First operand 296 states and 359 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:12,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:12,023 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2023-04-01 05:02:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:02:12,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 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 11 [2023-04-01 05:02:12,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:12,026 INFO L225 Difference]: With dead ends: 296 [2023-04-01 05:02:12,026 INFO L226 Difference]: Without dead ends: 294 [2023-04-01 05:02:12,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:12,027 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 328 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:12,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 173 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:02:12,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-04-01 05:02:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2023-04-01 05:02:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 278 states have (on average 1.2733812949640289) internal successors, (354), 290 states have internal predecessors, (354), 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) [2023-04-01 05:02:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2023-04-01 05:02:12,042 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 11 [2023-04-01 05:02:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:12,042 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2023-04-01 05:02:12,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2023-04-01 05:02:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-04-01 05:02:12,043 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:12,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:12,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:02:12,044 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:12,044 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1065768756, now seen corresponding path program 1 times [2023-04-01 05:02:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:12,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049907186] [2023-04-01 05:02:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:12,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:12,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:12,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049907186] [2023-04-01 05:02:12,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049907186] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:12,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:12,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:02:12,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097357041] [2023-04-01 05:02:12,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:12,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:02:12,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:12,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:02:12,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:02:12,109 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:12,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:12,333 INFO L93 Difference]: Finished difference Result 299 states and 362 transitions. [2023-04-01 05:02:12,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 05:02:12,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 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 12 [2023-04-01 05:02:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:12,335 INFO L225 Difference]: With dead ends: 299 [2023-04-01 05:02:12,335 INFO L226 Difference]: Without dead ends: 297 [2023-04-01 05:02:12,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:12,339 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 42 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:12,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 754 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:02:12,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-01 05:02:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2023-04-01 05:02:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 281 states have (on average 1.2704626334519573) internal successors, (357), 293 states have internal predecessors, (357), 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) [2023-04-01 05:02:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 360 transitions. [2023-04-01 05:02:12,350 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 360 transitions. Word has length 12 [2023-04-01 05:02:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:12,350 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 360 transitions. [2023-04-01 05:02:12,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 360 transitions. [2023-04-01 05:02:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-04-01 05:02:12,351 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:12,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:12,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:02:12,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr4ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:12,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:12,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2001655032, now seen corresponding path program 1 times [2023-04-01 05:02:12,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:12,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207459842] [2023-04-01 05:02:12,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:12,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:12,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:12,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207459842] [2023-04-01 05:02:12,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207459842] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:12,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 05:02:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896933838] [2023-04-01 05:02:12,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:12,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 05:02:12,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:12,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 05:02:12,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:12,412 INFO L87 Difference]: Start difference. First operand 297 states and 360 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:12,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:12,848 INFO L93 Difference]: Finished difference Result 297 states and 360 transitions. [2023-04-01 05:02:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 05:02:12,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 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 14 [2023-04-01 05:02:12,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:12,850 INFO L225 Difference]: With dead ends: 297 [2023-04-01 05:02:12,850 INFO L226 Difference]: Without dead ends: 295 [2023-04-01 05:02:12,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:12,851 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 287 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:12,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 287 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:12,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-04-01 05:02:12,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2023-04-01 05:02:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 280 states have (on average 1.2678571428571428) internal successors, (355), 291 states have internal predecessors, (355), 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) [2023-04-01 05:02:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2023-04-01 05:02:12,859 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 14 [2023-04-01 05:02:12,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:12,859 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2023-04-01 05:02:12,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:12,860 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2023-04-01 05:02:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-04-01 05:02:12,860 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:12,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:12,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:02:12,861 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr5ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:12,861 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:12,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1921766950, now seen corresponding path program 1 times [2023-04-01 05:02:12,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:12,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172335062] [2023-04-01 05:02:12,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:12,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:12,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:12,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172335062] [2023-04-01 05:02:12,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172335062] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:12,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:12,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:02:12,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176890104] [2023-04-01 05:02:12,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:12,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:02:12,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:12,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:02:12,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:02:12,928 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:13,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:13,173 INFO L93 Difference]: Finished difference Result 295 states and 358 transitions. [2023-04-01 05:02:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:02:13,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 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 15 [2023-04-01 05:02:13,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:13,175 INFO L225 Difference]: With dead ends: 295 [2023-04-01 05:02:13,175 INFO L226 Difference]: Without dead ends: 291 [2023-04-01 05:02:13,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:13,176 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 12 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:13,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 773 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:02:13,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-04-01 05:02:13,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2023-04-01 05:02:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 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) [2023-04-01 05:02:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2023-04-01 05:02:13,183 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 15 [2023-04-01 05:02:13,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:13,183 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2023-04-01 05:02:13,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:13,184 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2023-04-01 05:02:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-04-01 05:02:13,184 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:13,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:13,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 05:02:13,185 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr6ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:13,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:13,185 INFO L85 PathProgramCache]: Analyzing trace with hash -541498647, now seen corresponding path program 1 times [2023-04-01 05:02:13,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:13,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013190062] [2023-04-01 05:02:13,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:13,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:13,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:13,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013190062] [2023-04-01 05:02:13,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013190062] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:13,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:13,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 05:02:13,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032125403] [2023-04-01 05:02:13,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:13,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 05:02:13,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:13,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 05:02:13,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:13,276 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:13,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:13,718 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2023-04-01 05:02:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 05:02:13,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 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 16 [2023-04-01 05:02:13,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:13,720 INFO L225 Difference]: With dead ends: 308 [2023-04-01 05:02:13,721 INFO L226 Difference]: Without dead ends: 306 [2023-04-01 05:02:13,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:13,722 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 305 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:13,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 295 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:13,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-04-01 05:02:13,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 289. [2023-04-01 05:02:13,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 276 states have (on average 1.2644927536231885) internal successors, (349), 285 states have internal predecessors, (349), 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) [2023-04-01 05:02:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 352 transitions. [2023-04-01 05:02:13,731 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 352 transitions. Word has length 16 [2023-04-01 05:02:13,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:13,731 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 352 transitions. [2023-04-01 05:02:13,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 352 transitions. [2023-04-01 05:02:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-04-01 05:02:13,735 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:13,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:13,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 05:02:13,739 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr12ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:13,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash -539959447, now seen corresponding path program 1 times [2023-04-01 05:02:13,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:13,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729179367] [2023-04-01 05:02:13,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:13,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:13,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:13,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729179367] [2023-04-01 05:02:13,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729179367] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:13,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:13,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 05:02:13,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146006393] [2023-04-01 05:02:13,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:13,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 05:02:13,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:13,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 05:02:13,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:13,805 INFO L87 Difference]: Start difference. First operand 289 states and 352 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:14,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:14,222 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2023-04-01 05:02:14,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 05:02:14,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 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 16 [2023-04-01 05:02:14,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:14,224 INFO L225 Difference]: With dead ends: 289 [2023-04-01 05:02:14,224 INFO L226 Difference]: Without dead ends: 287 [2023-04-01 05:02:14,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:14,225 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 277 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:14,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 269 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:14,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-04-01 05:02:14,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2023-04-01 05:02:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 275 states have (on average 1.2618181818181817) internal successors, (347), 283 states have internal predecessors, (347), 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) [2023-04-01 05:02:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2023-04-01 05:02:14,234 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 16 [2023-04-01 05:02:14,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:14,234 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2023-04-01 05:02:14,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2023-04-01 05:02:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-04-01 05:02:14,236 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:14,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:14,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 05:02:14,237 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:14,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:14,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1356261827, now seen corresponding path program 1 times [2023-04-01 05:02:14,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:14,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367311542] [2023-04-01 05:02:14,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:14,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:14,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:14,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367311542] [2023-04-01 05:02:14,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367311542] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:14,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:14,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:02:14,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736536549] [2023-04-01 05:02:14,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:14,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:02:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:14,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:02:14,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:14,391 INFO L87 Difference]: Start difference. First operand 287 states and 350 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:14,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:14,767 INFO L93 Difference]: Finished difference Result 311 states and 376 transitions. [2023-04-01 05:02:14,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 05:02:14,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 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 16 [2023-04-01 05:02:14,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:14,769 INFO L225 Difference]: With dead ends: 311 [2023-04-01 05:02:14,769 INFO L226 Difference]: Without dead ends: 309 [2023-04-01 05:02:14,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 05:02:14,770 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 81 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:14,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 805 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:02:14,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-04-01 05:02:14,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 287. [2023-04-01 05:02:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 275 states have (on average 1.2618181818181817) internal successors, (347), 283 states have internal predecessors, (347), 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) [2023-04-01 05:02:14,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2023-04-01 05:02:14,779 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 16 [2023-04-01 05:02:14,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:14,779 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2023-04-01 05:02:14,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2023-04-01 05:02:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-04-01 05:02:14,783 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:14,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:14,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-01 05:02:14,784 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr10ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:14,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:14,784 INFO L85 PathProgramCache]: Analyzing trace with hash 394779669, now seen corresponding path program 1 times [2023-04-01 05:02:14,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:14,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294095616] [2023-04-01 05:02:14,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:14,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:14,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:14,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294095616] [2023-04-01 05:02:14,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294095616] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:14,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:14,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 05:02:14,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451563637] [2023-04-01 05:02:14,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:14,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 05:02:14,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:14,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 05:02:14,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:14,840 INFO L87 Difference]: Start difference. First operand 287 states and 350 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:15,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:15,264 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2023-04-01 05:02:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 05:02:15,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 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 17 [2023-04-01 05:02:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:15,266 INFO L225 Difference]: With dead ends: 310 [2023-04-01 05:02:15,266 INFO L226 Difference]: Without dead ends: 308 [2023-04-01 05:02:15,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:15,267 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 296 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:15,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 287 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:15,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-04-01 05:02:15,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 285. [2023-04-01 05:02:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 274 states have (on average 1.2591240875912408) internal successors, (345), 281 states have internal predecessors, (345), 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) [2023-04-01 05:02:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2023-04-01 05:02:15,276 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 17 [2023-04-01 05:02:15,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:15,279 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2023-04-01 05:02:15,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2023-04-01 05:02:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-04-01 05:02:15,279 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:15,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:15,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-01 05:02:15,280 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr7ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:15,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:15,281 INFO L85 PathProgramCache]: Analyzing trace with hash 393414249, now seen corresponding path program 1 times [2023-04-01 05:02:15,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:15,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841946067] [2023-04-01 05:02:15,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:15,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:15,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:15,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841946067] [2023-04-01 05:02:15,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841946067] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:15,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:15,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:02:15,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094857165] [2023-04-01 05:02:15,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:15,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:02:15,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:15,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:02:15,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:15,428 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:15,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:15,885 INFO L93 Difference]: Finished difference Result 319 states and 386 transitions. [2023-04-01 05:02:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:02:15,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 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 17 [2023-04-01 05:02:15,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:15,887 INFO L225 Difference]: With dead ends: 319 [2023-04-01 05:02:15,887 INFO L226 Difference]: Without dead ends: 317 [2023-04-01 05:02:15,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:02:15,888 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 43 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:15,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 932 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-04-01 05:02:15,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 293. [2023-04-01 05:02:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 282 states have (on average 1.2588652482269505) internal successors, (355), 289 states have internal predecessors, (355), 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) [2023-04-01 05:02:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 358 transitions. [2023-04-01 05:02:15,896 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 358 transitions. Word has length 17 [2023-04-01 05:02:15,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:15,897 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 358 transitions. [2023-04-01 05:02:15,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:15,897 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 358 transitions. [2023-04-01 05:02:15,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-04-01 05:02:15,897 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:15,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:15,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-01 05:02:15,898 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr13ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:15,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:15,898 INFO L85 PathProgramCache]: Analyzing trace with hash 441129499, now seen corresponding path program 1 times [2023-04-01 05:02:15,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:15,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901077542] [2023-04-01 05:02:15,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:15,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:15,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:15,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901077542] [2023-04-01 05:02:15,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901077542] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:15,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:15,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:02:15,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807371341] [2023-04-01 05:02:15,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:15,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:02:15,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:15,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:02:15,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:15,995 INFO L87 Difference]: Start difference. First operand 293 states and 358 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:16,320 INFO L93 Difference]: Finished difference Result 303 states and 368 transitions. [2023-04-01 05:02:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:02:16,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 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 17 [2023-04-01 05:02:16,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:16,322 INFO L225 Difference]: With dead ends: 303 [2023-04-01 05:02:16,322 INFO L226 Difference]: Without dead ends: 299 [2023-04-01 05:02:16,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:02:16,323 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 22 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:16,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 816 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:02:16,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-01 05:02:16,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2023-04-01 05:02:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 283 states have (on average 1.2579505300353357) internal successors, (356), 290 states have internal predecessors, (356), 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) [2023-04-01 05:02:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2023-04-01 05:02:16,331 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 17 [2023-04-01 05:02:16,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:16,332 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2023-04-01 05:02:16,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2023-04-01 05:02:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-04-01 05:02:16,332 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:16,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:16,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-01 05:02:16,333 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr11ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:16,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:16,333 INFO L85 PathProgramCache]: Analyzing trace with hash -646728996, now seen corresponding path program 1 times [2023-04-01 05:02:16,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:16,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883833958] [2023-04-01 05:02:16,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:16,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:16,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:16,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883833958] [2023-04-01 05:02:16,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883833958] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:16,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:16,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:02:16,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186422949] [2023-04-01 05:02:16,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:16,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:02:16,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:16,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:02:16,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:16,447 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:16,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:16,780 INFO L93 Difference]: Finished difference Result 320 states and 387 transitions. [2023-04-01 05:02:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:02:16,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 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 18 [2023-04-01 05:02:16,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:16,782 INFO L225 Difference]: With dead ends: 320 [2023-04-01 05:02:16,782 INFO L226 Difference]: Without dead ends: 318 [2023-04-01 05:02:16,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:02:16,783 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 38 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:16,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 867 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:02:16,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-04-01 05:02:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 297. [2023-04-01 05:02:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 286 states have (on average 1.2552447552447552) internal successors, (359), 293 states have internal predecessors, (359), 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) [2023-04-01 05:02:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 362 transitions. [2023-04-01 05:02:16,792 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 362 transitions. Word has length 18 [2023-04-01 05:02:16,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:16,792 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 362 transitions. [2023-04-01 05:02:16,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 362 transitions. [2023-04-01 05:02:16,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-04-01 05:02:16,793 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:16,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:16,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-01 05:02:16,793 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr8ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:16,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:16,794 INFO L85 PathProgramCache]: Analyzing trace with hash 114068364, now seen corresponding path program 1 times [2023-04-01 05:02:16,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:16,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156218645] [2023-04-01 05:02:16,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:16,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:16,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:16,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156218645] [2023-04-01 05:02:16,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156218645] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:16,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:16,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:02:16,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950586773] [2023-04-01 05:02:16,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:16,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:02:16,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:16,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:02:16,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:02:16,836 INFO L87 Difference]: Start difference. First operand 297 states and 362 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:16,997 INFO L93 Difference]: Finished difference Result 297 states and 362 transitions. [2023-04-01 05:02:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:02:16,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 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 19 [2023-04-01 05:02:16,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:16,999 INFO L225 Difference]: With dead ends: 297 [2023-04-01 05:02:16,999 INFO L226 Difference]: Without dead ends: 295 [2023-04-01 05:02:16,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:17,000 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 330 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:17,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 427 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:02:17,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-04-01 05:02:17,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2023-04-01 05:02:17,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 285 states have (on average 1.2526315789473683) internal successors, (357), 291 states have internal predecessors, (357), 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) [2023-04-01 05:02:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 360 transitions. [2023-04-01 05:02:17,009 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 360 transitions. Word has length 19 [2023-04-01 05:02:17,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:17,009 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 360 transitions. [2023-04-01 05:02:17,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 360 transitions. [2023-04-01 05:02:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-04-01 05:02:17,010 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:17,010 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] [2023-04-01 05:02:17,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-01 05:02:17,010 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr9ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:17,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:17,011 INFO L85 PathProgramCache]: Analyzing trace with hash -758844875, now seen corresponding path program 1 times [2023-04-01 05:02:17,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:17,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230688234] [2023-04-01 05:02:17,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:17,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:17,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:17,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230688234] [2023-04-01 05:02:17,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230688234] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:17,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:17,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:02:17,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990889102] [2023-04-01 05:02:17,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:17,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:02:17,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:17,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:02:17,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:02:17,050 INFO L87 Difference]: Start difference. First operand 295 states and 360 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:17,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:17,273 INFO L93 Difference]: Finished difference Result 295 states and 360 transitions. [2023-04-01 05:02:17,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:02:17,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 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 20 [2023-04-01 05:02:17,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:17,275 INFO L225 Difference]: With dead ends: 295 [2023-04-01 05:02:17,275 INFO L226 Difference]: Without dead ends: 291 [2023-04-01 05:02:17,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:02:17,276 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 7 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:17,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 745 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:02:17,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-04-01 05:02:17,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2023-04-01 05:02:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 282 states have (on average 1.25177304964539) internal successors, (353), 287 states have internal predecessors, (353), 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) [2023-04-01 05:02:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2023-04-01 05:02:17,285 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 20 [2023-04-01 05:02:17,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:17,285 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2023-04-01 05:02:17,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2023-04-01 05:02:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-04-01 05:02:17,285 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:17,286 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] [2023-04-01 05:02:17,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-01 05:02:17,286 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:17,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:17,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1575196396, now seen corresponding path program 1 times [2023-04-01 05:02:17,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:17,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620840368] [2023-04-01 05:02:17,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:17,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:17,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:17,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620840368] [2023-04-01 05:02:17,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620840368] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:17,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:17,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:02:17,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134622401] [2023-04-01 05:02:17,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:17,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:02:17,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:17,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:02:17,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:17,400 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:17,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:17,773 INFO L93 Difference]: Finished difference Result 291 states and 356 transitions. [2023-04-01 05:02:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:02:17,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 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 20 [2023-04-01 05:02:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:17,774 INFO L225 Difference]: With dead ends: 291 [2023-04-01 05:02:17,774 INFO L226 Difference]: Without dead ends: 289 [2023-04-01 05:02:17,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:02:17,775 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 693 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:17,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 160 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:02:17,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-04-01 05:02:17,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 286. [2023-04-01 05:02:17,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 278 states have (on average 1.2517985611510791) internal successors, (348), 282 states have internal predecessors, (348), 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) [2023-04-01 05:02:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 351 transitions. [2023-04-01 05:02:17,782 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 351 transitions. Word has length 20 [2023-04-01 05:02:17,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:17,782 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 351 transitions. [2023-04-01 05:02:17,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 351 transitions. [2023-04-01 05:02:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-01 05:02:17,783 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:17,783 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] [2023-04-01 05:02:17,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-01 05:02:17,783 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr11ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:17,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:17,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2036114368, now seen corresponding path program 1 times [2023-04-01 05:02:17,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:17,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024137212] [2023-04-01 05:02:17,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:17,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:17,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:17,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:17,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024137212] [2023-04-01 05:02:17,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024137212] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:17,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:17,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:02:17,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495994620] [2023-04-01 05:02:17,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:17,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:02:17,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:17,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:02:17,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:17,896 INFO L87 Difference]: Start difference. First operand 286 states and 351 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:18,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:18,314 INFO L93 Difference]: Finished difference Result 301 states and 368 transitions. [2023-04-01 05:02:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:02:18,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 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 21 [2023-04-01 05:02:18,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:18,316 INFO L225 Difference]: With dead ends: 301 [2023-04-01 05:02:18,316 INFO L226 Difference]: Without dead ends: 299 [2023-04-01 05:02:18,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:02:18,317 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 683 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:18,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 174 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:18,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-01 05:02:18,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 281. [2023-04-01 05:02:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 274 states have (on average 1.2518248175182483) internal successors, (343), 277 states have internal predecessors, (343), 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) [2023-04-01 05:02:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 346 transitions. [2023-04-01 05:02:18,325 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 346 transitions. Word has length 21 [2023-04-01 05:02:18,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:18,325 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 346 transitions. [2023-04-01 05:02:18,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 346 transitions. [2023-04-01 05:02:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-01 05:02:18,326 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:18,326 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] [2023-04-01 05:02:18,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-01 05:02:18,326 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr7ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:18,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1873982778, now seen corresponding path program 1 times [2023-04-01 05:02:18,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:18,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258355117] [2023-04-01 05:02:18,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:18,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:18,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258355117] [2023-04-01 05:02:18,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258355117] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:18,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:18,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:02:18,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183538963] [2023-04-01 05:02:18,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:18,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:02:18,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:18,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:02:18,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:18,435 INFO L87 Difference]: Start difference. First operand 281 states and 346 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:18,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:18,845 INFO L93 Difference]: Finished difference Result 293 states and 360 transitions. [2023-04-01 05:02:18,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:02:18,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 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 21 [2023-04-01 05:02:18,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:18,847 INFO L225 Difference]: With dead ends: 293 [2023-04-01 05:02:18,847 INFO L226 Difference]: Without dead ends: 291 [2023-04-01 05:02:18,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:02:18,847 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 674 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:18,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 168 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:18,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-04-01 05:02:18,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 276. [2023-04-01 05:02:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 270 states have (on average 1.2481481481481482) internal successors, (337), 272 states have internal predecessors, (337), 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) [2023-04-01 05:02:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 340 transitions. [2023-04-01 05:02:18,856 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 340 transitions. Word has length 21 [2023-04-01 05:02:18,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:18,856 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 340 transitions. [2023-04-01 05:02:18,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:18,856 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 340 transitions. [2023-04-01 05:02:18,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-01 05:02:18,857 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:18,857 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] [2023-04-01 05:02:18,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-01 05:02:18,857 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr13ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:18,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:18,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1921698028, now seen corresponding path program 1 times [2023-04-01 05:02:18,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:18,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379324572] [2023-04-01 05:02:18,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:18,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:18,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:18,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379324572] [2023-04-01 05:02:18,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379324572] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:18,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:18,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:02:18,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765772510] [2023-04-01 05:02:18,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:18,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:02:18,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:18,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:02:18,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:02:18,934 INFO L87 Difference]: Start difference. First operand 276 states and 340 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:19,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:19,328 INFO L93 Difference]: Finished difference Result 276 states and 340 transitions. [2023-04-01 05:02:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 05:02:19,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 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 21 [2023-04-01 05:02:19,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:19,329 INFO L225 Difference]: With dead ends: 276 [2023-04-01 05:02:19,329 INFO L226 Difference]: Without dead ends: 253 [2023-04-01 05:02:19,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 05:02:19,330 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 457 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:19,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 161 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:02:19,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-04-01 05:02:19,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2023-04-01 05:02:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 248 states have (on average 1.0080645161290323) internal successors, (250), 249 states have internal predecessors, (250), 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) [2023-04-01 05:02:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2023-04-01 05:02:19,336 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 21 [2023-04-01 05:02:19,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:19,336 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2023-04-01 05:02:19,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2023-04-01 05:02:19,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-01 05:02:19,340 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:19,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:19,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-01 05:02:19,344 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr14ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:19,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:19,344 INFO L85 PathProgramCache]: Analyzing trace with hash -314374483, now seen corresponding path program 1 times [2023-04-01 05:02:19,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:19,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158135938] [2023-04-01 05:02:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:23,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:23,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158135938] [2023-04-01 05:02:23,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158135938] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:23,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:23,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2023-04-01 05:02:23,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512863119] [2023-04-01 05:02:23,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:23,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-04-01 05:02:23,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:23,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-04-01 05:02:23,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2023-04-01 05:02:23,490 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:24,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:24,139 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2023-04-01 05:02:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-04-01 05:02:24,140 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 1 states have call successors, (2), 1 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 247 [2023-04-01 05:02:24,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:24,141 INFO L225 Difference]: With dead ends: 254 [2023-04-01 05:02:24,141 INFO L226 Difference]: Without dead ends: 252 [2023-04-01 05:02:24,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2023-04-01 05:02:24,143 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 24 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:24,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 34 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 05:02:24,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-04-01 05:02:24,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 251. [2023-04-01 05:02:24,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 247 states have (on average 1.0040485829959513) internal successors, (248), 247 states have internal predecessors, (248), 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) [2023-04-01 05:02:24,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2023-04-01 05:02:24,149 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 247 [2023-04-01 05:02:24,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:24,149 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2023-04-01 05:02:24,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2023-04-01 05:02:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-04-01 05:02:24,151 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:02:24,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:24,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-04-01 05:02:24,151 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr15ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-04-01 05:02:24,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:02:24,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1155670129, now seen corresponding path program 1 times [2023-04-01 05:02:24,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:02:24,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568502009] [2023-04-01 05:02:24,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:02:24,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:02:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:02:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:02:30,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:02:30,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568502009] [2023-04-01 05:02:30,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568502009] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:02:30,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:02:30,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 05:02:30,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055010906] [2023-04-01 05:02:30,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:02:30,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 05:02:30,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:02:30,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 05:02:30,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:02:30,183 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:30,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:02:30,533 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2023-04-01 05:02:30,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:02:30,533 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 1 states have call successors, (2), 1 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 248 [2023-04-01 05:02:30,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:02:30,534 INFO L225 Difference]: With dead ends: 253 [2023-04-01 05:02:30,534 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:02:30,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:02:30,536 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:02:30,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 25 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:02:30,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:02:30,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:02:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 05:02:30,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:02:30,537 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2023-04-01 05:02:30,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:02:30,537 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:02:30,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 05:02:30,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:02:30,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:02:30,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2023-04-01 05:02:30,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2023-04-01 05:02:30,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2023-04-01 05:02:30,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr3ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2023-04-01 05:02:30,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr4ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2023-04-01 05:02:30,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2023-04-01 05:02:30,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr6ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2023-04-01 05:02:30,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr7ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2023-04-01 05:02:30,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr8ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2023-04-01 05:02:30,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr9ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2023-04-01 05:02:30,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2023-04-01 05:02:30,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2023-04-01 05:02:30,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2023-04-01 05:02:30,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2023-04-01 05:02:30,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2023-04-01 05:02:30,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2023-04-01 05:02:30,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-04-01 05:02:30,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 4) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 6 8) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 16 3008) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2023-04-01 05:02:31,046 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2023-04-01 05:02:31,047 INFO L899 garLoopResultBuilder]: For program point L2616(line 2616) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2023-04-01 05:02:31,048 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2023-04-01 05:02:31,049 INFO L899 garLoopResultBuilder]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2023-04-01 05:02:31,049 INFO L899 garLoopResultBuilder]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2023-04-01 05:02:31,049 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2023-04-01 05:02:31,050 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2023-04-01 05:02:31,050 INFO L899 garLoopResultBuilder]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2023-04-01 05:02:31,050 INFO L899 garLoopResultBuilder]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2023-04-01 05:02:31,050 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2023-04-01 05:02:31,050 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 55) no Hoare annotation was computed. [2023-04-01 05:02:31,050 INFO L899 garLoopResultBuilder]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2023-04-01 05:02:31,050 INFO L899 garLoopResultBuilder]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2023-04-01 05:02:31,050 INFO L899 garLoopResultBuilder]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 281) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed. [2023-04-01 05:02:31,051 INFO L899 garLoopResultBuilder]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2023-04-01 05:02:31,052 INFO L899 garLoopResultBuilder]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L902 garLoopResultBuilder]: At program point L52(lines 21 3007) the Hoare annotation is: true [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2023-04-01 05:02:31,053 INFO L899 garLoopResultBuilder]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 275) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2023-04-01 05:02:31,054 INFO L899 garLoopResultBuilder]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2023-04-01 05:02:31,055 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2023-04-01 05:02:31,056 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L895 garLoopResultBuilder]: At program point L198(lines 132 282) the Hoare annotation is: (and (< main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~3 0)) (not (= main_~__VERIFIER_assert__cond~2 0))) [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 282) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2023-04-01 05:02:31,057 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2023-04-01 05:02:31,058 INFO L895 garLoopResultBuilder]: At program point L67(lines 64 3001) the Hoare annotation is: (or (and (< main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) (and (= main_~main__t~0 0) (< 0 main_~main__tagbuf_len~0))) [2023-04-01 05:02:31,058 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2023-04-01 05:02:31,059 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2023-04-01 05:02:31,059 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2023-04-01 05:02:31,059 INFO L899 garLoopResultBuilder]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2023-04-01 05:02:31,059 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2023-04-01 05:02:31,059 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2023-04-01 05:02:31,059 INFO L899 garLoopResultBuilder]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2023-04-01 05:02:31,059 INFO L899 garLoopResultBuilder]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2023-04-01 05:02:31,059 INFO L899 garLoopResultBuilder]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2023-04-01 05:02:31,060 INFO L899 garLoopResultBuilder]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2023-04-01 05:02:31,060 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2023-04-01 05:02:31,060 INFO L899 garLoopResultBuilder]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2023-04-01 05:02:31,060 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 240) no Hoare annotation was computed. [2023-04-01 05:02:31,060 INFO L899 garLoopResultBuilder]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2023-04-01 05:02:31,060 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2023-04-01 05:02:31,060 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2023-04-01 05:02:31,060 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 16 3008) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 229) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 286) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2023-04-01 05:02:31,061 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 234) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2023-04-01 05:02:31,062 INFO L899 garLoopResultBuilder]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2023-04-01 05:02:31,063 INFO L899 garLoopResultBuilder]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2023-04-01 05:02:31,064 INFO L895 garLoopResultBuilder]: At program point L2594(lines 2591 2647) the Hoare annotation is: (and (<= 59 main_~main__t~0) (< main_~main__t~0 main_~main__tagbuf_len~0)) [2023-04-01 05:02:31,064 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 284) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2023-04-01 05:02:31,065 INFO L899 garLoopResultBuilder]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2023-04-01 05:02:31,066 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2023-04-01 05:02:31,066 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-04-01 05:02:31,066 INFO L899 garLoopResultBuilder]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2023-04-01 05:02:31,066 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2023-04-01 05:02:31,066 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2023-04-01 05:02:31,066 INFO L899 garLoopResultBuilder]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2023-04-01 05:02:31,066 INFO L899 garLoopResultBuilder]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2023-04-01 05:02:31,067 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 232) no Hoare annotation was computed. [2023-04-01 05:02:31,067 INFO L899 garLoopResultBuilder]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2023-04-01 05:02:31,067 INFO L899 garLoopResultBuilder]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2023-04-01 05:02:31,067 INFO L899 garLoopResultBuilder]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2023-04-01 05:02:31,067 INFO L899 garLoopResultBuilder]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2023-04-01 05:02:31,067 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2023-04-01 05:02:31,068 INFO L899 garLoopResultBuilder]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L895 garLoopResultBuilder]: At program point L27(lines 25 3002) the Hoare annotation is: (and (<= 0 main_~main__t~0) (<= main_~main__t~0 main_~main__tagbuf_len~0)) [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L2604(line 2604) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2023-04-01 05:02:31,069 INFO L899 garLoopResultBuilder]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L895 garLoopResultBuilder]: At program point $Ultimate##16(lines 96 283) the Hoare annotation is: (and (<= 1 main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~3 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= main_~main__t~0 main_~main__tagbuf_len~0)) [2023-04-01 05:02:31,070 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 3008) the Hoare annotation is: true [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 231) no Hoare annotation was computed. [2023-04-01 05:02:31,070 INFO L899 garLoopResultBuilder]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 57) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:02:31,071 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-01 05:02:31,071 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:02:31,072 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:02:31,075 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:02:31,077 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:02:31,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:02:31 BoogieIcfgContainer [2023-04-01 05:02:31,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:02:31,096 INFO L158 Benchmark]: Toolchain (without parser) took 23685.41ms. Allocated memory was 251.7MB in the beginning and 798.0MB in the end (delta: 546.3MB). Free memory was 197.9MB in the beginning and 734.8MB in the end (delta: -536.9MB). Peak memory consumption was 466.6MB. Max. memory is 8.0GB. [2023-04-01 05:02:31,097 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:02:31,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.62ms. Allocated memory is still 251.7MB. Free memory was 197.9MB in the beginning and 154.4MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-04-01 05:02:31,097 INFO L158 Benchmark]: Boogie Preprocessor took 103.58ms. Allocated memory is still 251.7MB. Free memory was 154.4MB in the beginning and 149.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 05:02:31,097 INFO L158 Benchmark]: RCFGBuilder took 1511.57ms. Allocated memory is still 251.7MB. Free memory was 149.1MB in the beginning and 121.9MB in the end (delta: 27.3MB). Peak memory consumption was 36.2MB. Max. memory is 8.0GB. [2023-04-01 05:02:31,097 INFO L158 Benchmark]: TraceAbstraction took 21312.15ms. Allocated memory was 251.7MB in the beginning and 798.0MB in the end (delta: 546.3MB). Free memory was 121.3MB in the beginning and 734.8MB in the end (delta: -613.5MB). Peak memory consumption was 389.5MB. Max. memory is 8.0GB. [2023-04-01 05:02:31,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 751.62ms. Allocated memory is still 251.7MB. Free memory was 197.9MB in the beginning and 154.4MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 103.58ms. Allocated memory is still 251.7MB. Free memory was 154.4MB in the beginning and 149.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1511.57ms. Allocated memory is still 251.7MB. Free memory was 149.1MB in the beginning and 121.9MB in the end (delta: 27.3MB). Peak memory consumption was 36.2MB. Max. memory is 8.0GB. * TraceAbstraction took 21312.15ms. Allocated memory was 251.7MB in the beginning and 798.0MB in the end (delta: 546.3MB). Free memory was 121.3MB in the beginning and 734.8MB in the end (delta: -613.5MB). Peak memory consumption was 389.5MB. 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 - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 117]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 219]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 312 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 21.2s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5117 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5117 mSDsluCounter, 9622 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5569 mSDsCounter, 1152 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13010 IncrementalHoareTripleChecker+Invalid, 14162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1152 mSolverCounterUnsat, 4053 mSDtfsCounter, 13010 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 156 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 64 HoareAnnotationTreeSize, 10 FomulaSimplifications, 16180 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 10 FomulaSimplificationsInter, 1019 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 807 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 2430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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 - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((main__t < main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((1 <= main__t && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__t <= main__tagbuf_len - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: 59 <= main__t && main__t < main__tagbuf_len - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (main__t < main__tagbuf_len && 1 <= main__t) || (main__t == 0 && 0 < main__tagbuf_len) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 05:02:31,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...