./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e1ff0e6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae696ef581cbe995636ab4900ea04e2b993d78100fba8db2a87ca7d99c3a6d1e --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-14 22:31:40,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 22:31:40,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 22:31:40,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 22:31:40,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 22:31:40,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 22:31:40,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 22:31:40,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 22:31:40,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 22:31:40,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 22:31:40,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 22:31:40,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 22:31:40,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 22:31:40,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 22:31:40,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 22:31:40,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 22:31:40,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 22:31:40,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 22:31:40,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 22:31:40,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 22:31:40,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 22:31:40,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 22:31:40,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 22:31:40,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 22:31:40,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 22:31:40,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 22:31:40,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 22:31:40,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 22:31:40,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 22:31:40,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 22:31:40,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 22:31:40,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 22:31:40,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 22:31:40,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 22:31:40,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 22:31:40,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 22:31:40,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 22:31:40,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 22:31:40,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 22:31:40,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 22:31:40,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 22:31:40,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-14 22:31:40,683 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 22:31:40,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 22:31:40,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 22:31:40,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 22:31:40,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 22:31:40,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 22:31:40,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 22:31:40,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 22:31:40,685 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 22:31:40,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 22:31:40,685 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 22:31:40,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 22:31:40,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 22:31:40,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 22:31:40,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 22:31:40,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 22:31:40,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 22:31:40,686 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 22:31:40,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 22:31:40,686 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 22:31:40,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 22:31:40,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 22:31:40,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 22:31:40,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 22:31:40,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:31:40,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 22:31:40,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 22:31:40,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 22:31:40,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 22:31:40,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 22:31:40,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 22:31:40,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 22:31:40,688 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 22:31:40,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 22:31:40,690 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 22:31:40,690 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae696ef581cbe995636ab4900ea04e2b993d78100fba8db2a87ca7d99c3a6d1e [2023-02-14 22:31:40,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 22:31:40,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 22:31:40,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 22:31:40,947 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 22:31:40,947 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 22:31:40,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2023-02-14 22:31:42,005 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 22:31:42,234 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 22:31:42,237 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2023-02-14 22:31:42,246 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38466f040/7b09fe51527f42e6bec57a4e6100670f/FLAGa86dc7427 [2023-02-14 22:31:42,255 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38466f040/7b09fe51527f42e6bec57a4e6100670f [2023-02-14 22:31:42,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 22:31:42,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 22:31:42,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 22:31:42,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 22:31:42,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 22:31:42,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782f7910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42, skipping insertion in model container [2023-02-14 22:31:42,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 22:31:42,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 22:31:42,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37883,37896] [2023-02-14 22:31:42,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:31:42,471 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 22:31:42,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37883,37896] [2023-02-14 22:31:42,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:31:42,532 INFO L208 MainTranslator]: Completed translation [2023-02-14 22:31:42,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42 WrapperNode [2023-02-14 22:31:42,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 22:31:42,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 22:31:42,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 22:31:42,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 22:31:42,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,577 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 497 [2023-02-14 22:31:42,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 22:31:42,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 22:31:42,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 22:31:42,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 22:31:42,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 22:31:42,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 22:31:42,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 22:31:42,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 22:31:42,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (1/1) ... [2023-02-14 22:31:42,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:31:42,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:31:42,675 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) [2023-02-14 22:31:42,676 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 [2023-02-14 22:31:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 22:31:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 22:31:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 22:31:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 22:31:42,839 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 22:31:42,840 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 22:31:42,854 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-02-14 22:31:43,357 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2023-02-14 22:31:43,358 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2023-02-14 22:31:43,358 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 22:31:43,364 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 22:31:43,365 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 22:31:43,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:31:43 BoogieIcfgContainer [2023-02-14 22:31:43,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 22:31:43,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 22:31:43,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 22:31:43,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 22:31:43,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 10:31:42" (1/3) ... [2023-02-14 22:31:43,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e6b341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:31:43, skipping insertion in model container [2023-02-14 22:31:43,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:31:42" (2/3) ... [2023-02-14 22:31:43,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e6b341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:31:43, skipping insertion in model container [2023-02-14 22:31:43,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:31:43" (3/3) ... [2023-02-14 22:31:43,383 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-1a.c [2023-02-14 22:31:43,395 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 22:31:43,395 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-14 22:31:43,435 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 22:31:43,440 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9dad294, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 22:31:43,440 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-14 22:31:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 130 states have (on average 1.7307692307692308) internal successors, (225), 131 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-02-14 22:31:43,449 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:43,449 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] [2023-02-14 22:31:43,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:43,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:43,455 INFO L85 PathProgramCache]: Analyzing trace with hash 260022937, now seen corresponding path program 1 times [2023-02-14 22:31:43,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:43,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442253869] [2023-02-14 22:31:43,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:43,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 22:31:43,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:43,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442253869] [2023-02-14 22:31:43,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442253869] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:43,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:43,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:43,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083633129] [2023-02-14 22:31:43,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:43,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:43,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:43,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:43,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:43,744 INFO L87 Difference]: Start difference. First operand has 132 states, 130 states have (on average 1.7307692307692308) internal successors, (225), 131 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:43,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:43,923 INFO L93 Difference]: Finished difference Result 259 states and 443 transitions. [2023-02-14 22:31:43,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:43,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-02-14 22:31:43,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:43,936 INFO L225 Difference]: With dead ends: 259 [2023-02-14 22:31:43,936 INFO L226 Difference]: Without dead ends: 119 [2023-02-14 22:31:43,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:43,941 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 8 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:43,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 332 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:43,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-02-14 22:31:43,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-02-14 22:31:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.5338983050847457) internal successors, (181), 118 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:43,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 181 transitions. [2023-02-14 22:31:43,996 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 181 transitions. Word has length 25 [2023-02-14 22:31:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:43,997 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 181 transitions. [2023-02-14 22:31:43,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 181 transitions. [2023-02-14 22:31:44,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-02-14 22:31:44,002 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:44,002 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:44,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 22:31:44,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:44,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:44,004 INFO L85 PathProgramCache]: Analyzing trace with hash 693672153, now seen corresponding path program 1 times [2023-02-14 22:31:44,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:44,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955764638] [2023-02-14 22:31:44,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:44,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 22:31:44,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:44,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955764638] [2023-02-14 22:31:44,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955764638] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:44,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:44,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:44,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455772763] [2023-02-14 22:31:44,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:44,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:44,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:44,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:44,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,090 INFO L87 Difference]: Start difference. First operand 119 states and 181 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:44,199 INFO L93 Difference]: Finished difference Result 245 states and 376 transitions. [2023-02-14 22:31:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:44,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2023-02-14 22:31:44,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:44,201 INFO L225 Difference]: With dead ends: 245 [2023-02-14 22:31:44,201 INFO L226 Difference]: Without dead ends: 137 [2023-02-14 22:31:44,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,203 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:44,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 253 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:44,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-02-14 22:31:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2023-02-14 22:31:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.5112781954887218) internal successors, (201), 133 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 201 transitions. [2023-02-14 22:31:44,213 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 201 transitions. Word has length 37 [2023-02-14 22:31:44,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:44,213 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 201 transitions. [2023-02-14 22:31:44,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 201 transitions. [2023-02-14 22:31:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-02-14 22:31:44,215 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:44,215 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:44,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 22:31:44,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:44,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:44,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2014075552, now seen corresponding path program 1 times [2023-02-14 22:31:44,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:44,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175953596] [2023-02-14 22:31:44,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:44,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-14 22:31:44,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:44,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175953596] [2023-02-14 22:31:44,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175953596] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:44,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:44,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:44,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065968044] [2023-02-14 22:31:44,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:44,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:44,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:44,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:44,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,317 INFO L87 Difference]: Start difference. First operand 134 states and 201 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:44,333 INFO L93 Difference]: Finished difference Result 283 states and 420 transitions. [2023-02-14 22:31:44,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:44,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2023-02-14 22:31:44,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:44,335 INFO L225 Difference]: With dead ends: 283 [2023-02-14 22:31:44,335 INFO L226 Difference]: Without dead ends: 160 [2023-02-14 22:31:44,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,339 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 21 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:44,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 331 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 22:31:44,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-02-14 22:31:44,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2023-02-14 22:31:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.471698113207547) internal successors, (234), 159 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 234 transitions. [2023-02-14 22:31:44,358 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 234 transitions. Word has length 51 [2023-02-14 22:31:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:44,358 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 234 transitions. [2023-02-14 22:31:44,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 234 transitions. [2023-02-14 22:31:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-02-14 22:31:44,360 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:44,361 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:44,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 22:31:44,361 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:44,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1880062046, now seen corresponding path program 1 times [2023-02-14 22:31:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:44,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116538209] [2023-02-14 22:31:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:44,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-14 22:31:44,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:44,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116538209] [2023-02-14 22:31:44,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116538209] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:44,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:44,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:44,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970242855] [2023-02-14 22:31:44,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:44,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:44,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:44,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:44,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,416 INFO L87 Difference]: Start difference. First operand 160 states and 234 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:44,529 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2023-02-14 22:31:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:44,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2023-02-14 22:31:44,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:44,534 INFO L225 Difference]: With dead ends: 304 [2023-02-14 22:31:44,534 INFO L226 Difference]: Without dead ends: 181 [2023-02-14 22:31:44,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,545 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 16 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:44,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 266 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:44,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-02-14 22:31:44,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2023-02-14 22:31:44,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 176 states have (on average 1.4545454545454546) internal successors, (256), 176 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 256 transitions. [2023-02-14 22:31:44,558 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 256 transitions. Word has length 51 [2023-02-14 22:31:44,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:44,559 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 256 transitions. [2023-02-14 22:31:44,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 256 transitions. [2023-02-14 22:31:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-02-14 22:31:44,560 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:44,560 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:44,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-14 22:31:44,561 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:44,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:44,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1552359252, now seen corresponding path program 1 times [2023-02-14 22:31:44,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:44,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234256153] [2023-02-14 22:31:44,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:44,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-02-14 22:31:44,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:44,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234256153] [2023-02-14 22:31:44,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234256153] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:44,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:44,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:44,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911314814] [2023-02-14 22:31:44,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:44,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:44,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:44,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,700 INFO L87 Difference]: Start difference. First operand 177 states and 256 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:44,728 INFO L93 Difference]: Finished difference Result 454 states and 668 transitions. [2023-02-14 22:31:44,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:44,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2023-02-14 22:31:44,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:44,731 INFO L225 Difference]: With dead ends: 454 [2023-02-14 22:31:44,731 INFO L226 Difference]: Without dead ends: 314 [2023-02-14 22:31:44,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,734 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 132 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:44,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 379 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 22:31:44,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-02-14 22:31:44,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2023-02-14 22:31:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.4536741214057507) internal successors, (455), 313 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 455 transitions. [2023-02-14 22:31:44,767 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 455 transitions. Word has length 70 [2023-02-14 22:31:44,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:44,769 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 455 transitions. [2023-02-14 22:31:44,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 455 transitions. [2023-02-14 22:31:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-02-14 22:31:44,775 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:44,775 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:44,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-14 22:31:44,779 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:44,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:44,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1693805076, now seen corresponding path program 1 times [2023-02-14 22:31:44,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:44,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875419363] [2023-02-14 22:31:44,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:44,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-14 22:31:44,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:44,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875419363] [2023-02-14 22:31:44,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875419363] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:44,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:44,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:44,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076012593] [2023-02-14 22:31:44,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:44,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:44,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:44,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:44,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,830 INFO L87 Difference]: Start difference. First operand 314 states and 455 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:44,850 INFO L93 Difference]: Finished difference Result 612 states and 889 transitions. [2023-02-14 22:31:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:44,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-02-14 22:31:44,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:44,856 INFO L225 Difference]: With dead ends: 612 [2023-02-14 22:31:44,857 INFO L226 Difference]: Without dead ends: 335 [2023-02-14 22:31:44,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,859 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 11 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:44,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 361 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 22:31:44,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-02-14 22:31:44,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2023-02-14 22:31:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.4431137724550898) internal successors, (482), 334 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 482 transitions. [2023-02-14 22:31:44,870 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 482 transitions. Word has length 71 [2023-02-14 22:31:44,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:44,870 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 482 transitions. [2023-02-14 22:31:44,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 482 transitions. [2023-02-14 22:31:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-02-14 22:31:44,873 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:44,873 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:44,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-14 22:31:44,873 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:44,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:44,874 INFO L85 PathProgramCache]: Analyzing trace with hash -294414028, now seen corresponding path program 1 times [2023-02-14 22:31:44,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:44,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402473901] [2023-02-14 22:31:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:44,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-02-14 22:31:44,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:44,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402473901] [2023-02-14 22:31:44,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402473901] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:44,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:44,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:44,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630527477] [2023-02-14 22:31:44,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:44,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:44,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:44,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:44,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:44,973 INFO L87 Difference]: Start difference. First operand 335 states and 482 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:45,080 INFO L93 Difference]: Finished difference Result 681 states and 998 transitions. [2023-02-14 22:31:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:45,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-02-14 22:31:45,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:45,083 INFO L225 Difference]: With dead ends: 681 [2023-02-14 22:31:45,083 INFO L226 Difference]: Without dead ends: 383 [2023-02-14 22:31:45,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,085 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:45,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 271 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-02-14 22:31:45,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 377. [2023-02-14 22:31:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 376 states have (on average 1.4202127659574468) internal successors, (534), 376 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 534 transitions. [2023-02-14 22:31:45,097 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 534 transitions. Word has length 88 [2023-02-14 22:31:45,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:45,098 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 534 transitions. [2023-02-14 22:31:45,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 534 transitions. [2023-02-14 22:31:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-02-14 22:31:45,099 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:45,099 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:45,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-14 22:31:45,100 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:45,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:45,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1264349868, now seen corresponding path program 1 times [2023-02-14 22:31:45,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:45,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121803326] [2023-02-14 22:31:45,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:45,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-02-14 22:31:45,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:45,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121803326] [2023-02-14 22:31:45,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121803326] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:45,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:45,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:45,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246535395] [2023-02-14 22:31:45,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:45,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:45,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:45,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:45,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,200 INFO L87 Difference]: Start difference. First operand 377 states and 534 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:45,229 INFO L93 Difference]: Finished difference Result 538 states and 767 transitions. [2023-02-14 22:31:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:45,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-02-14 22:31:45,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:45,232 INFO L225 Difference]: With dead ends: 538 [2023-02-14 22:31:45,232 INFO L226 Difference]: Without dead ends: 536 [2023-02-14 22:31:45,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,235 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 148 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:45,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 321 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 22:31:45,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-02-14 22:31:45,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2023-02-14 22:31:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 535 states have (on average 1.4299065420560748) internal successors, (765), 535 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 765 transitions. [2023-02-14 22:31:45,250 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 765 transitions. Word has length 108 [2023-02-14 22:31:45,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:45,250 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 765 transitions. [2023-02-14 22:31:45,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 765 transitions. [2023-02-14 22:31:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-02-14 22:31:45,253 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:45,254 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:45,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-14 22:31:45,254 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:45,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1514969078, now seen corresponding path program 1 times [2023-02-14 22:31:45,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:45,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421593750] [2023-02-14 22:31:45,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-02-14 22:31:45,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:45,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421593750] [2023-02-14 22:31:45,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421593750] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:45,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:45,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:45,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183192876] [2023-02-14 22:31:45,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:45,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:45,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:45,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:45,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,331 INFO L87 Difference]: Start difference. First operand 536 states and 765 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:45,472 INFO L93 Difference]: Finished difference Result 1185 states and 1745 transitions. [2023-02-14 22:31:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:45,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2023-02-14 22:31:45,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:45,475 INFO L225 Difference]: With dead ends: 1185 [2023-02-14 22:31:45,475 INFO L226 Difference]: Without dead ends: 683 [2023-02-14 22:31:45,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,478 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 75 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:45,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 246 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:45,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-02-14 22:31:45,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 659. [2023-02-14 22:31:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.4635258358662615) internal successors, (963), 658 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 963 transitions. [2023-02-14 22:31:45,496 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 963 transitions. Word has length 128 [2023-02-14 22:31:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:45,497 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 963 transitions. [2023-02-14 22:31:45,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 963 transitions. [2023-02-14 22:31:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-02-14 22:31:45,499 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:45,499 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:45,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-14 22:31:45,500 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:45,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:45,500 INFO L85 PathProgramCache]: Analyzing trace with hash -219869315, now seen corresponding path program 1 times [2023-02-14 22:31:45,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:45,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812662655] [2023-02-14 22:31:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:45,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-02-14 22:31:45,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:45,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812662655] [2023-02-14 22:31:45,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812662655] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:45,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:45,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:45,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061966310] [2023-02-14 22:31:45,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:45,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:45,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:45,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:45,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,567 INFO L87 Difference]: Start difference. First operand 659 states and 963 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:45,699 INFO L93 Difference]: Finished difference Result 1559 states and 2344 transitions. [2023-02-14 22:31:45,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:45,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-02-14 22:31:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:45,703 INFO L225 Difference]: With dead ends: 1559 [2023-02-14 22:31:45,703 INFO L226 Difference]: Without dead ends: 886 [2023-02-14 22:31:45,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,705 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 81 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:45,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 225 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:45,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2023-02-14 22:31:45,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 848. [2023-02-14 22:31:45,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 847 states have (on average 1.4344746162927982) internal successors, (1215), 847 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1215 transitions. [2023-02-14 22:31:45,727 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1215 transitions. Word has length 154 [2023-02-14 22:31:45,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:45,727 INFO L495 AbstractCegarLoop]: Abstraction has 848 states and 1215 transitions. [2023-02-14 22:31:45,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,728 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1215 transitions. [2023-02-14 22:31:45,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-02-14 22:31:45,730 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:45,730 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:45,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-14 22:31:45,731 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:45,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:45,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1855970287, now seen corresponding path program 1 times [2023-02-14 22:31:45,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:45,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770934985] [2023-02-14 22:31:45,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:45,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-02-14 22:31:45,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:45,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770934985] [2023-02-14 22:31:45,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770934985] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:45,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:45,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:45,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217109016] [2023-02-14 22:31:45,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:45,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:45,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:45,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,804 INFO L87 Difference]: Start difference. First operand 848 states and 1215 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:45,941 INFO L93 Difference]: Finished difference Result 1815 states and 2621 transitions. [2023-02-14 22:31:45,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:45,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2023-02-14 22:31:45,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:45,945 INFO L225 Difference]: With dead ends: 1815 [2023-02-14 22:31:45,946 INFO L226 Difference]: Without dead ends: 959 [2023-02-14 22:31:45,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:45,947 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 84 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:45,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 221 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2023-02-14 22:31:45,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 923. [2023-02-14 22:31:45,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 922 states have (on average 1.4219088937093276) internal successors, (1311), 922 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1311 transitions. [2023-02-14 22:31:45,970 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1311 transitions. Word has length 175 [2023-02-14 22:31:45,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:45,971 INFO L495 AbstractCegarLoop]: Abstraction has 923 states and 1311 transitions. [2023-02-14 22:31:45,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1311 transitions. [2023-02-14 22:31:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-02-14 22:31:45,974 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:45,974 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:45,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-14 22:31:45,974 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:45,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:45,975 INFO L85 PathProgramCache]: Analyzing trace with hash -150572132, now seen corresponding path program 1 times [2023-02-14 22:31:45,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:45,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537013348] [2023-02-14 22:31:45,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:45,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-02-14 22:31:46,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:46,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537013348] [2023-02-14 22:31:46,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537013348] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:46,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:46,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:46,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006799876] [2023-02-14 22:31:46,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:46,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:46,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:46,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:46,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:46,044 INFO L87 Difference]: Start difference. First operand 923 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:46,176 INFO L93 Difference]: Finished difference Result 1965 states and 2810 transitions. [2023-02-14 22:31:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:46,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2023-02-14 22:31:46,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:46,180 INFO L225 Difference]: With dead ends: 1965 [2023-02-14 22:31:46,180 INFO L226 Difference]: Without dead ends: 1040 [2023-02-14 22:31:46,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:46,182 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 85 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:46,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 219 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:46,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2023-02-14 22:31:46,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1007. [2023-02-14 22:31:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1006 states have (on average 1.4135188866799204) internal successors, (1422), 1006 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1422 transitions. [2023-02-14 22:31:46,207 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1422 transitions. Word has length 199 [2023-02-14 22:31:46,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:46,207 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1422 transitions. [2023-02-14 22:31:46,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1422 transitions. [2023-02-14 22:31:46,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-02-14 22:31:46,210 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:46,210 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:46,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-14 22:31:46,211 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:46,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:46,211 INFO L85 PathProgramCache]: Analyzing trace with hash -643198306, now seen corresponding path program 1 times [2023-02-14 22:31:46,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:46,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928184326] [2023-02-14 22:31:46,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:46,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-02-14 22:31:46,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:46,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928184326] [2023-02-14 22:31:46,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928184326] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:46,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:46,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:46,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583064809] [2023-02-14 22:31:46,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:46,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:46,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:46,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:46,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:46,284 INFO L87 Difference]: Start difference. First operand 1007 states and 1422 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:46,438 INFO L93 Difference]: Finished difference Result 2133 states and 3035 transitions. [2023-02-14 22:31:46,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:46,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2023-02-14 22:31:46,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:46,442 INFO L225 Difference]: With dead ends: 2133 [2023-02-14 22:31:46,442 INFO L226 Difference]: Without dead ends: 1136 [2023-02-14 22:31:46,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:46,444 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 87 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:46,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 217 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:46,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-02-14 22:31:46,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1100. [2023-02-14 22:31:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1099 states have (on average 1.414012738853503) internal successors, (1554), 1099 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1554 transitions. [2023-02-14 22:31:46,472 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1554 transitions. Word has length 199 [2023-02-14 22:31:46,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:46,472 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1554 transitions. [2023-02-14 22:31:46,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1554 transitions. [2023-02-14 22:31:46,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-02-14 22:31:46,476 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:46,476 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:46,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-14 22:31:46,476 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:46,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:46,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1155189252, now seen corresponding path program 1 times [2023-02-14 22:31:46,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:46,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194974596] [2023-02-14 22:31:46,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-02-14 22:31:46,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:46,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194974596] [2023-02-14 22:31:46,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194974596] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:46,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:46,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:46,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342750613] [2023-02-14 22:31:46,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:46,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:46,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:46,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:46,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:46,558 INFO L87 Difference]: Start difference. First operand 1100 states and 1554 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:46,605 INFO L93 Difference]: Finished difference Result 3223 states and 4561 transitions. [2023-02-14 22:31:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:46,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2023-02-14 22:31:46,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:46,613 INFO L225 Difference]: With dead ends: 3223 [2023-02-14 22:31:46,613 INFO L226 Difference]: Without dead ends: 2160 [2023-02-14 22:31:46,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:46,626 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 134 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:46,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 508 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 22:31:46,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2023-02-14 22:31:46,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2158. [2023-02-14 22:31:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 2157 states have (on average 1.4149281409364858) internal successors, (3052), 2157 states have internal predecessors, (3052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3052 transitions. [2023-02-14 22:31:46,681 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3052 transitions. Word has length 229 [2023-02-14 22:31:46,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:46,682 INFO L495 AbstractCegarLoop]: Abstraction has 2158 states and 3052 transitions. [2023-02-14 22:31:46,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3052 transitions. [2023-02-14 22:31:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-02-14 22:31:46,686 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:46,686 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:46,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-14 22:31:46,687 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:46,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:46,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1647815426, now seen corresponding path program 1 times [2023-02-14 22:31:46,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:46,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824321082] [2023-02-14 22:31:46,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:46,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2023-02-14 22:31:46,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:46,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824321082] [2023-02-14 22:31:46,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824321082] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:46,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:46,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:46,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880747642] [2023-02-14 22:31:46,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:46,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:46,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:46,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:46,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:46,765 INFO L87 Difference]: Start difference. First operand 2158 states and 3052 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:46,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:46,919 INFO L93 Difference]: Finished difference Result 4585 states and 6523 transitions. [2023-02-14 22:31:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:46,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2023-02-14 22:31:46,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:46,928 INFO L225 Difference]: With dead ends: 4585 [2023-02-14 22:31:46,928 INFO L226 Difference]: Without dead ends: 2434 [2023-02-14 22:31:46,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:46,931 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 90 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:46,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 211 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2023-02-14 22:31:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2368. [2023-02-14 22:31:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2368 states, 2367 states have (on average 1.42120828052387) internal successors, (3364), 2367 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3364 transitions. [2023-02-14 22:31:47,017 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3364 transitions. Word has length 229 [2023-02-14 22:31:47,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:47,018 INFO L495 AbstractCegarLoop]: Abstraction has 2368 states and 3364 transitions. [2023-02-14 22:31:47,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3364 transitions. [2023-02-14 22:31:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-02-14 22:31:47,023 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:47,023 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:47,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-02-14 22:31:47,023 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:47,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1130835859, now seen corresponding path program 1 times [2023-02-14 22:31:47,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:47,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076677227] [2023-02-14 22:31:47,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:47,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:47,103 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2023-02-14 22:31:47,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:47,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076677227] [2023-02-14 22:31:47,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076677227] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:47,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:47,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:47,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350124034] [2023-02-14 22:31:47,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:47,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:47,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:47,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:47,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:47,106 INFO L87 Difference]: Start difference. First operand 2368 states and 3364 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:47,265 INFO L93 Difference]: Finished difference Result 4765 states and 6757 transitions. [2023-02-14 22:31:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:47,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 264 [2023-02-14 22:31:47,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:47,274 INFO L225 Difference]: With dead ends: 4765 [2023-02-14 22:31:47,275 INFO L226 Difference]: Without dead ends: 2416 [2023-02-14 22:31:47,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:47,278 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 93 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:47,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 206 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:47,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2023-02-14 22:31:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2350. [2023-02-14 22:31:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2350 states, 2349 states have (on average 1.4091102596849723) internal successors, (3310), 2349 states have internal predecessors, (3310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2350 states and 3310 transitions. [2023-02-14 22:31:47,359 INFO L78 Accepts]: Start accepts. Automaton has 2350 states and 3310 transitions. Word has length 264 [2023-02-14 22:31:47,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:47,359 INFO L495 AbstractCegarLoop]: Abstraction has 2350 states and 3310 transitions. [2023-02-14 22:31:47,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3310 transitions. [2023-02-14 22:31:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-02-14 22:31:47,364 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:47,365 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:47,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-02-14 22:31:47,365 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:47,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:47,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1187214557, now seen corresponding path program 1 times [2023-02-14 22:31:47,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:47,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191980087] [2023-02-14 22:31:47,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:47,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-02-14 22:31:47,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:47,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191980087] [2023-02-14 22:31:47,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191980087] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:47,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:47,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25551627] [2023-02-14 22:31:47,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:47,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:47,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:47,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:47,448 INFO L87 Difference]: Start difference. First operand 2350 states and 3310 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:47,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:47,544 INFO L93 Difference]: Finished difference Result 6951 states and 9784 transitions. [2023-02-14 22:31:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:47,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 274 [2023-02-14 22:31:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:47,586 INFO L225 Difference]: With dead ends: 6951 [2023-02-14 22:31:47,586 INFO L226 Difference]: Without dead ends: 4638 [2023-02-14 22:31:47,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:47,590 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 72 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:47,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 340 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 22:31:47,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2023-02-14 22:31:47,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 4636. [2023-02-14 22:31:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4636 states, 4635 states have (on average 1.4032362459546925) internal successors, (6504), 4635 states have internal predecessors, (6504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 6504 transitions. [2023-02-14 22:31:47,723 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 6504 transitions. Word has length 274 [2023-02-14 22:31:47,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:47,724 INFO L495 AbstractCegarLoop]: Abstraction has 4636 states and 6504 transitions. [2023-02-14 22:31:47,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 6504 transitions. [2023-02-14 22:31:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-02-14 22:31:47,733 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:47,733 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:47,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-14 22:31:47,733 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:47,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:47,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1412043949, now seen corresponding path program 1 times [2023-02-14 22:31:47,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:47,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117997803] [2023-02-14 22:31:47,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:47,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 315 proven. 25 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-02-14 22:31:47,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:47,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117997803] [2023-02-14 22:31:47,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117997803] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:31:47,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022063971] [2023-02-14 22:31:47,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:47,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:31:47,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 22:31:47,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 22:31:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:48,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 22:31:48,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:31:48,094 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2023-02-14 22:31:48,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 22:31:48,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022063971] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:48,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 22:31:48,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-02-14 22:31:48,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518579511] [2023-02-14 22:31:48,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:48,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:48,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:48,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:48,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:31:48,097 INFO L87 Difference]: Start difference. First operand 4636 states and 6504 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:48,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:48,355 INFO L93 Difference]: Finished difference Result 9314 states and 13055 transitions. [2023-02-14 22:31:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:48,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 274 [2023-02-14 22:31:48,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:48,372 INFO L225 Difference]: With dead ends: 9314 [2023-02-14 22:31:48,372 INFO L226 Difference]: Without dead ends: 4744 [2023-02-14 22:31:48,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:31:48,379 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 48 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:48,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 265 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 22:31:48,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4744 states. [2023-02-14 22:31:48,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4744 to 4636. [2023-02-14 22:31:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4636 states, 4635 states have (on average 1.3799352750809062) internal successors, (6396), 4635 states have internal predecessors, (6396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 6396 transitions. [2023-02-14 22:31:48,553 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 6396 transitions. Word has length 274 [2023-02-14 22:31:48,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:48,554 INFO L495 AbstractCegarLoop]: Abstraction has 4636 states and 6396 transitions. [2023-02-14 22:31:48,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 6396 transitions. [2023-02-14 22:31:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-02-14 22:31:48,563 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:48,563 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:48,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-14 22:31:48,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-02-14 22:31:48,770 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:48,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1677895817, now seen corresponding path program 1 times [2023-02-14 22:31:48,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:48,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631176877] [2023-02-14 22:31:48,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:48,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 382 proven. 25 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2023-02-14 22:31:48,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:48,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631176877] [2023-02-14 22:31:48,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631176877] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:31:48,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039844267] [2023-02-14 22:31:48,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:48,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:48,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:31:48,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 22:31:48,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-14 22:31:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:49,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 22:31:49,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:31:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-02-14 22:31:49,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 22:31:49,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039844267] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:49,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 22:31:49,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-02-14 22:31:49,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86251325] [2023-02-14 22:31:49,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:49,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:49,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:49,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:49,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:31:49,073 INFO L87 Difference]: Start difference. First operand 4636 states and 6396 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:49,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:49,282 INFO L93 Difference]: Finished difference Result 9800 states and 13409 transitions. [2023-02-14 22:31:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:49,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 301 [2023-02-14 22:31:49,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:49,299 INFO L225 Difference]: With dead ends: 9800 [2023-02-14 22:31:49,300 INFO L226 Difference]: Without dead ends: 5230 [2023-02-14 22:31:49,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:31:49,306 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 106 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:49,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 201 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:49,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5230 states. [2023-02-14 22:31:49,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5230 to 4810. [2023-02-14 22:31:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4810 states, 4809 states have (on average 1.3786650031191516) internal successors, (6630), 4809 states have internal predecessors, (6630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 6630 transitions. [2023-02-14 22:31:49,471 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 6630 transitions. Word has length 301 [2023-02-14 22:31:49,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:49,472 INFO L495 AbstractCegarLoop]: Abstraction has 4810 states and 6630 transitions. [2023-02-14 22:31:49,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 6630 transitions. [2023-02-14 22:31:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-02-14 22:31:49,481 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:49,481 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:49,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-14 22:31:49,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:49,688 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:49,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:49,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1606168447, now seen corresponding path program 1 times [2023-02-14 22:31:49,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:49,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761259397] [2023-02-14 22:31:49,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:49,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-02-14 22:31:49,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:49,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761259397] [2023-02-14 22:31:49,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761259397] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:49,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:31:49,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:31:49,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590236109] [2023-02-14 22:31:49,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:49,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:49,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:49,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:49,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:49,809 INFO L87 Difference]: Start difference. First operand 4810 states and 6630 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:50,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:50,005 INFO L93 Difference]: Finished difference Result 9878 states and 13499 transitions. [2023-02-14 22:31:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:50,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 302 [2023-02-14 22:31:50,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:50,017 INFO L225 Difference]: With dead ends: 9878 [2023-02-14 22:31:50,017 INFO L226 Difference]: Without dead ends: 4630 [2023-02-14 22:31:50,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:31:50,025 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:50,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 273 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:31:50,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4630 states. [2023-02-14 22:31:50,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4630 to 4612. [2023-02-14 22:31:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4612 states, 4611 states have (on average 1.3741054001301236) internal successors, (6336), 4611 states have internal predecessors, (6336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4612 states and 6336 transitions. [2023-02-14 22:31:50,217 INFO L78 Accepts]: Start accepts. Automaton has 4612 states and 6336 transitions. Word has length 302 [2023-02-14 22:31:50,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:50,218 INFO L495 AbstractCegarLoop]: Abstraction has 4612 states and 6336 transitions. [2023-02-14 22:31:50,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:50,219 INFO L276 IsEmpty]: Start isEmpty. Operand 4612 states and 6336 transitions. [2023-02-14 22:31:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-02-14 22:31:50,228 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:50,229 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:50,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-02-14 22:31:50,229 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:50,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:50,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1919616935, now seen corresponding path program 1 times [2023-02-14 22:31:50,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:50,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727763729] [2023-02-14 22:31:50,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:50,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 354 proven. 25 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-02-14 22:31:50,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:50,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727763729] [2023-02-14 22:31:50,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727763729] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:31:50,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005141072] [2023-02-14 22:31:50,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:31:50,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 22:31:50,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-14 22:31:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:50,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 22:31:50,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:31:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 875 trivial. 0 not checked. [2023-02-14 22:31:50,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 22:31:50,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005141072] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:31:50,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 22:31:50,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-02-14 22:31:50,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656647774] [2023-02-14 22:31:50,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:31:50,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:31:50,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:50,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:31:50,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:31:50,807 INFO L87 Difference]: Start difference. First operand 4612 states and 6336 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:50,925 INFO L93 Difference]: Finished difference Result 6921 states and 9490 transitions. [2023-02-14 22:31:50,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:31:50,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2023-02-14 22:31:50,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:50,934 INFO L225 Difference]: With dead ends: 6921 [2023-02-14 22:31:50,934 INFO L226 Difference]: Without dead ends: 4614 [2023-02-14 22:31:50,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:31:50,938 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 57 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:50,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 478 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 22:31:50,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4614 states. [2023-02-14 22:31:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4614 to 4600. [2023-02-14 22:31:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4600 states, 4599 states have (on average 1.36986301369863) internal successors, (6300), 4599 states have internal predecessors, (6300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4600 states to 4600 states and 6300 transitions. [2023-02-14 22:31:51,064 INFO L78 Accepts]: Start accepts. Automaton has 4600 states and 6300 transitions. Word has length 312 [2023-02-14 22:31:51,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:51,065 INFO L495 AbstractCegarLoop]: Abstraction has 4600 states and 6300 transitions. [2023-02-14 22:31:51,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4600 states and 6300 transitions. [2023-02-14 22:31:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-02-14 22:31:51,073 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:51,074 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:51,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-14 22:31:51,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:51,279 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:51,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1627037657, now seen corresponding path program 1 times [2023-02-14 22:31:51,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:51,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977793237] [2023-02-14 22:31:51,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:51,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 356 proven. 25 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-02-14 22:31:51,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:51,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977793237] [2023-02-14 22:31:51,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977793237] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:31:51,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318861802] [2023-02-14 22:31:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:51,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:51,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:31:51,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 22:31:51,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-14 22:31:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:51,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 22:31:51,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:31:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 356 proven. 25 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-02-14 22:31:51,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:31:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 356 proven. 25 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-02-14 22:31:51,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318861802] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:31:51,757 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 22:31:51,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-02-14 22:31:51,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263412756] [2023-02-14 22:31:51,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 22:31:51,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-14 22:31:51,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:51,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-14 22:31:51,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-02-14 22:31:51,759 INFO L87 Difference]: Start difference. First operand 4600 states and 6300 transitions. Second operand has 11 states, 11 states have (on average 20.818181818181817) internal successors, (229), 11 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:52,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:52,282 INFO L93 Difference]: Finished difference Result 7227 states and 9988 transitions. [2023-02-14 22:31:52,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-14 22:31:52,283 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 20.818181818181817) internal successors, (229), 11 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2023-02-14 22:31:52,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:52,292 INFO L225 Difference]: With dead ends: 7227 [2023-02-14 22:31:52,292 INFO L226 Difference]: Without dead ends: 4722 [2023-02-14 22:31:52,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-02-14 22:31:52,299 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 439 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:52,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1254 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-14 22:31:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4722 states. [2023-02-14 22:31:52,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4722 to 4600. [2023-02-14 22:31:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4600 states, 4599 states have (on average 1.3672537508153946) internal successors, (6288), 4599 states have internal predecessors, (6288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4600 states to 4600 states and 6288 transitions. [2023-02-14 22:31:52,443 INFO L78 Accepts]: Start accepts. Automaton has 4600 states and 6288 transitions. Word has length 312 [2023-02-14 22:31:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:52,443 INFO L495 AbstractCegarLoop]: Abstraction has 4600 states and 6288 transitions. [2023-02-14 22:31:52,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 20.818181818181817) internal successors, (229), 11 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4600 states and 6288 transitions. [2023-02-14 22:31:52,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-02-14 22:31:52,453 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:52,455 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:52,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-14 22:31:52,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:52,662 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:52,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1184629009, now seen corresponding path program 1 times [2023-02-14 22:31:52,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:52,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349602056] [2023-02-14 22:31:52,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:52,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 474 proven. 12 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2023-02-14 22:31:52,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:52,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349602056] [2023-02-14 22:31:52,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349602056] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:31:52,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059118959] [2023-02-14 22:31:52,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:52,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:52,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:31:52,814 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 22:31:52,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-14 22:31:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:52,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 22:31:52,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:31:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 356 proven. 25 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-02-14 22:31:53,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:31:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 356 proven. 25 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-02-14 22:31:53,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059118959] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:31:53,109 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 22:31:53,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 10 [2023-02-14 22:31:53,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900794701] [2023-02-14 22:31:53,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 22:31:53,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-14 22:31:53,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:53,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-14 22:31:53,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-02-14 22:31:53,112 INFO L87 Difference]: Start difference. First operand 4600 states and 6288 transitions. Second operand has 10 states, 10 states have (on average 32.2) internal successors, (322), 10 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:53,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:53,662 INFO L93 Difference]: Finished difference Result 6005 states and 8260 transitions. [2023-02-14 22:31:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-14 22:31:53,663 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 32.2) internal successors, (322), 10 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 313 [2023-02-14 22:31:53,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:53,667 INFO L225 Difference]: With dead ends: 6005 [2023-02-14 22:31:53,667 INFO L226 Difference]: Without dead ends: 2350 [2023-02-14 22:31:53,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2023-02-14 22:31:53,672 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 494 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:53,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 978 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-14 22:31:53,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2023-02-14 22:31:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 2284. [2023-02-14 22:31:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2284 states, 2283 states have (on average 1.3653088042049935) internal successors, (3117), 2283 states have internal predecessors, (3117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:53,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 3117 transitions. [2023-02-14 22:31:53,731 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 3117 transitions. Word has length 313 [2023-02-14 22:31:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:53,731 INFO L495 AbstractCegarLoop]: Abstraction has 2284 states and 3117 transitions. [2023-02-14 22:31:53,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 32.2) internal successors, (322), 10 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 3117 transitions. [2023-02-14 22:31:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2023-02-14 22:31:53,737 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:53,737 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:53,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-14 22:31:53,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-02-14 22:31:53,942 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:53,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash -2094731103, now seen corresponding path program 1 times [2023-02-14 22:31:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:53,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214625780] [2023-02-14 22:31:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 475 proven. 12 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2023-02-14 22:31:54,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:54,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214625780] [2023-02-14 22:31:54,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214625780] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:31:54,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661052549] [2023-02-14 22:31:54,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:54,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:54,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:31:54,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 22:31:54,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-14 22:31:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:54,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 22:31:54,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:31:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 475 proven. 12 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2023-02-14 22:31:54,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:31:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 475 proven. 12 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2023-02-14 22:31:54,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661052549] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:31:54,337 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 22:31:54,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-02-14 22:31:54,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626004811] [2023-02-14 22:31:54,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 22:31:54,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 22:31:54,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:54,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 22:31:54,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:31:54,339 INFO L87 Difference]: Start difference. First operand 2284 states and 3117 transitions. Second operand has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:54,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:54,776 INFO L93 Difference]: Finished difference Result 5795 states and 8022 transitions. [2023-02-14 22:31:54,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-14 22:31:54,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2023-02-14 22:31:54,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:54,784 INFO L225 Difference]: With dead ends: 5795 [2023-02-14 22:31:54,784 INFO L226 Difference]: Without dead ends: 3380 [2023-02-14 22:31:54,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-02-14 22:31:54,789 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 249 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:54,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 846 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 22:31:54,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2023-02-14 22:31:54,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 2481. [2023-02-14 22:31:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2481 states, 2480 states have (on average 1.375) internal successors, (3410), 2480 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 3410 transitions. [2023-02-14 22:31:54,883 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 3410 transitions. Word has length 314 [2023-02-14 22:31:54,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:54,883 INFO L495 AbstractCegarLoop]: Abstraction has 2481 states and 3410 transitions. [2023-02-14 22:31:54,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 3410 transitions. [2023-02-14 22:31:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-02-14 22:31:54,890 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:31:54,891 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:54,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-14 22:31:55,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:55,102 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:31:55,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:31:55,102 INFO L85 PathProgramCache]: Analyzing trace with hash 90171258, now seen corresponding path program 1 times [2023-02-14 22:31:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:31:55,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568024891] [2023-02-14 22:31:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:31:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 652 proven. 5 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-02-14 22:31:55,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:31:55,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568024891] [2023-02-14 22:31:55,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568024891] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:31:55,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680674924] [2023-02-14 22:31:55,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:31:55,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:55,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:31:55,231 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 22:31:55,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-14 22:31:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:31:55,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 22:31:55,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:31:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 652 proven. 5 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-02-14 22:31:55,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:31:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 652 proven. 5 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-02-14 22:31:55,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680674924] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:31:55,478 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 22:31:55,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-02-14 22:31:55,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472320497] [2023-02-14 22:31:55,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 22:31:55,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 22:31:55,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:31:55,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 22:31:55,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:31:55,480 INFO L87 Difference]: Start difference. First operand 2481 states and 3410 transitions. Second operand has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:55,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:31:55,696 INFO L93 Difference]: Finished difference Result 3536 states and 4811 transitions. [2023-02-14 22:31:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 22:31:55,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 340 [2023-02-14 22:31:55,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:31:55,698 INFO L225 Difference]: With dead ends: 3536 [2023-02-14 22:31:55,698 INFO L226 Difference]: Without dead ends: 0 [2023-02-14 22:31:55,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-14 22:31:55,701 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 115 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 22:31:55,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 366 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 22:31:55,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-14 22:31:55,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-14 22:31:55,705 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) [2023-02-14 22:31:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-14 22:31:55,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2023-02-14 22:31:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:31:55,705 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 22:31:55,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 22:31:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-14 22:31:55,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-14 22:31:55,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-14 22:31:55,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-14 22:31:55,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:31:55,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-14 22:31:58,746 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 252) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 551) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 562) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L235-2(lines 213 545) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 573) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L501-1(lines 501 513) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 242) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 550) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 561) no Hoare annotation was computed. [2023-02-14 22:31:58,747 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 572) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 482) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 471 482) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L273-2(lines 213 545) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4433#1(lines 151 568) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4448)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))) (or (and .cse0 .cse1 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|) .cse2 .cse3) (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) .cse2 (not .cse1) .cse3))) [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 344) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L340-2(lines 213 545) no Hoare annotation was computed. [2023-02-14 22:31:58,748 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 549) no Hoare annotation was computed. [2023-02-14 22:31:58,749 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 560) no Hoare annotation was computed. [2023-02-14 22:31:58,749 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 571) no Hoare annotation was computed. [2023-02-14 22:31:58,749 INFO L895 garLoopResultBuilder]: At program point L109-1(lines 109 612) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse2 (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse11 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse12 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse14 (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse15 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1)) (.cse9 (= 12292 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse5 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse7 (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse8 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse16 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208)) (.cse1 (not .cse4)) (.cse17 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse10 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560)) (.cse6 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse13 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse4 .cse6 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse8) (and .cse4 .cse6 .cse9 .cse8) (and .cse4 .cse10 .cse11 .cse6 .cse12 .cse3 .cse13) (and .cse0 .cse14 .cse15 .cse1) (and (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse0 .cse11 .cse1 .cse12 .cse3) (and .cse4 .cse14 .cse15 .cse6) (and .cse0 .cse1 .cse9 .cse8) (and .cse0 .cse5 .cse1) (and .cse4 .cse7 .cse6 .cse8) (and .cse16 .cse4 .cse6 .cse17 .cse3) (= 3 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (and .cse16 .cse0 .cse1 .cse17 .cse3) (and .cse4 .cse6 (= 48 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (and .cse4 .cse10 .cse6 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560) (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse3 .cse13)))) [2023-02-14 22:31:58,749 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 479) no Hoare annotation was computed. [2023-02-14 22:31:58,749 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-02-14 22:31:58,749 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4417#1(lines 145 570) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) (not .cse1) (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse2) (and .cse1 .cse0 (not (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4384)) (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|) .cse2))) [2023-02-14 22:31:58,749 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 632 642) the Hoare annotation is: true [2023-02-14 22:31:58,749 INFO L902 garLoopResultBuilder]: At program point ssl3_connect_returnLabel#1(lines 18 631) the Hoare annotation is: true [2023-02-14 22:31:58,749 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2023-02-14 22:31:58,749 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 314) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 559) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 570) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 581) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L443-2(lines 213 545) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L311(line 311) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L311-2(line 311) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L311-4(line 311) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4481#1(lines 175 560) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) (not .cse1) .cse2 .cse3) (and .cse0 .cse1 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|) .cse2 .cse3))) [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4513#1(lines 187 556) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))) (or (and .cse0 .cse1 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|) .cse2 .cse3) (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) (not .cse1) .cse2 .cse3))) [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 417) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L412-2(lines 412 417) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2023-02-14 22:31:58,750 INFO L902 garLoopResultBuilder]: At program point ssl3_connect_switch_1_default#1(lines 211 548) the Hoare annotation is: true [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L313-2(line 313) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 558) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L313-4(line 313) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 569) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 580) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_ERROR#1(lines 76 630) the Hoare annotation is: false [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 92) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4449#1(lines 157 566) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4464)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))) (or (and .cse0 .cse1 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|) .cse2 .cse3) (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) (not .cse1) .cse2 .cse3))) [2023-02-14 22:31:58,751 INFO L902 garLoopResultBuilder]: At program point L613(lines 76 630) the Hoare annotation is: true [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 557) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_12292#1(lines 112 581) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse4 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208)) (.cse6 (not .cse0)) (.cse3 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse5 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|)) (.cse2 (= 12292 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2) (and .cse4 .cse6 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2)))) [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 568) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 579) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4497#1(lines 181 558) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) (not .cse1) .cse2 .cse3) (and .cse0 .cse1 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|) .cse2 .cse3))) [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2023-02-14 22:31:58,751 INFO L899 garLoopResultBuilder]: For program point L383-2(lines 383 387) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L895 garLoopResultBuilder]: At program point L218(lines 115 580) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse2 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|)) (.cse6 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208)) (.cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse5 (not .cse0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse4 .cse2 .cse6) (and .cse3 .cse1 .cse5)))) [2023-02-14 22:31:58,752 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4561#1(lines 199 552) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)))) [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 610) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L87-2(lines 84 92) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 607) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 213 545) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 357) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 290) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L319-1(lines 319 333) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 556) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 567) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 578) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 621) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 593) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L617-2(lines 617 621) no Hoare annotation was computed. [2023-02-14 22:31:58,752 INFO L899 garLoopResultBuilder]: For program point L584-2(lines 583 605) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4529#1(lines 193 554) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))) (or (and .cse0 .cse1 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560) .cse2) (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) (not .cse1) .cse2))) [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 459) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 227) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 555) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 566) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point L223-2(lines 213 545) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 577) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4385#1(lines 133 574) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse3 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1)) (.cse6 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208)) (.cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse2 (not (<= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not .cse0)) (.cse4 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse2 .cse5 .cse7 .cse4) (and .cse6 .cse1 .cse2 .cse7 .cse4)))) [2023-02-14 22:31:58,753 INFO L895 garLoopResultBuilder]: At program point $Ultimate##192(lines 501 513) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse4 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse2 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|)) (.cse5 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208)) (.cse7 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse6 (not .cse0)) (.cse3 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse1 .cse2 .cse3 .cse4 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (and (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse2 .cse3) (and .cse5 .cse7 .cse1 .cse6 .cse3)))) [2023-02-14 22:31:58,753 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2023-02-14 22:31:58,753 INFO L902 garLoopResultBuilder]: At program point $Ultimate##197(lines 517 521) the Hoare annotation is: true [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L323-2(lines 321 333) no Hoare annotation was computed. [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L522-1(lines 522 526) no Hoare annotation was computed. [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2023-02-14 22:31:58,754 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4369#1(lines 127 576) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse7 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208)) (.cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (not (<= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not .cse5)) (.cse3 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse3) (and .cse5 .cse1 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3)))) [2023-02-14 22:31:58,754 INFO L895 garLoopResultBuilder]: At program point $Ultimate##137(lines 319 333) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse2 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (or (and .cse0 .cse1 .cse2 (not (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4384)) (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|)) (and .cse1 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) .cse2 (not .cse0) (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 264) no Hoare annotation was computed. [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 554) no Hoare annotation was computed. [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 565) no Hoare annotation was computed. [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 576) no Hoare annotation was computed. [2023-02-14 22:31:58,754 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 102) no Hoare annotation was computed. [2023-02-14 22:31:58,756 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 76 630) no Hoare annotation was computed. [2023-02-14 22:31:58,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-14 22:31:58,756 INFO L895 garLoopResultBuilder]: At program point ssl3_connect_switch_1_4467#1(lines 163 564) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208) .cse1 (not .cse2) .cse3) (and .cse0 .cse2 .cse1 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|) .cse3))) [2023-02-14 22:31:58,756 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2023-02-14 22:31:58,756 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-14 22:31:58,756 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2023-02-14 22:31:58,756 INFO L899 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2023-02-14 22:31:58,757 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 303) no Hoare annotation was computed. [2023-02-14 22:31:58,757 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 553) no Hoare annotation was computed. [2023-02-14 22:31:58,757 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 564) no Hoare annotation was computed. [2023-02-14 22:31:58,757 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 575) no Hoare annotation was computed. [2023-02-14 22:31:58,757 INFO L895 garLoopResultBuilder]: At program point $Ultimate##209(lines 582 610) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse2 (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse10 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse11 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse13 (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse14 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1)) (.cse5 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse7 (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse8 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse15 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse0 (<= |ULTIMATE.start_ssl3_connect_~ag_Y~0#1| 208)) (.cse1 (not .cse4)) (.cse16 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse9 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560)) (.cse6 (= 48 |ULTIMATE.start_ssl3_connect_~ag_Z~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse12 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse4 .cse6 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse8) (and .cse4 .cse9 .cse10 .cse6 .cse11 .cse3 .cse12) (and .cse0 .cse13 .cse14 .cse1) (and (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse0 .cse10 .cse1 .cse11 .cse3) (and .cse4 .cse13 .cse14 .cse6) (and .cse0 .cse5 .cse1) (and .cse4 .cse7 .cse6 .cse8) (and .cse15 .cse4 .cse6 .cse16 .cse3) (= 3 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (and .cse15 .cse0 .cse1 .cse16 .cse3) (and .cse4 .cse6 (= 48 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (and .cse4 .cse9 .cse6 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560) (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse3 .cse12)))) [2023-02-14 22:31:58,757 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 399) no Hoare annotation was computed. [2023-02-14 22:31:58,757 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2023-02-14 22:31:58,758 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-14 22:31:58,758 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 624) no Hoare annotation was computed. [2023-02-14 22:31:58,758 INFO L902 garLoopResultBuilder]: At program point L628(lines 76 630) the Hoare annotation is: true [2023-02-14 22:31:58,758 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2023-02-14 22:31:58,758 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2023-02-14 22:31:58,758 INFO L899 garLoopResultBuilder]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2023-02-14 22:31:58,758 INFO L899 garLoopResultBuilder]: For program point L298(lines 298 302) no Hoare annotation was computed. [2023-02-14 22:31:58,759 INFO L899 garLoopResultBuilder]: For program point L298-2(lines 213 545) no Hoare annotation was computed. [2023-02-14 22:31:58,759 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 552) no Hoare annotation was computed. [2023-02-14 22:31:58,759 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 563) no Hoare annotation was computed. [2023-02-14 22:31:58,759 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 574) no Hoare annotation was computed. [2023-02-14 22:31:58,759 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 468) no Hoare annotation was computed. [2023-02-14 22:31:58,762 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:31:58,764 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 22:31:58,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 10:31:58 BoogieIcfgContainer [2023-02-14 22:31:58,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 22:31:58,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 22:31:58,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 22:31:58,785 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 22:31:58,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:31:43" (3/4) ... [2023-02-14 22:31:58,788 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-14 22:31:58,800 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-02-14 22:31:58,801 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-14 22:31:58,801 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-14 22:31:58,802 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-14 22:31:58,856 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 22:31:58,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 22:31:58,856 INFO L158 Benchmark]: Toolchain (without parser) took 16598.53ms. Allocated memory was 117.4MB in the beginning and 610.3MB in the end (delta: 492.8MB). Free memory was 86.9MB in the beginning and 261.8MB in the end (delta: -175.0MB). Peak memory consumption was 319.2MB. Max. memory is 16.1GB. [2023-02-14 22:31:58,856 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 22:31:58,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.65ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 71.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-14 22:31:58,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.77ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 68.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-14 22:31:58,857 INFO L158 Benchmark]: Boogie Preprocessor took 55.43ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 22:31:58,857 INFO L158 Benchmark]: RCFGBuilder took 732.44ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 66.5MB in the beginning and 118.1MB in the end (delta: -51.6MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-02-14 22:31:58,858 INFO L158 Benchmark]: TraceAbstraction took 15415.51ms. Allocated memory was 157.3MB in the beginning and 610.3MB in the end (delta: 453.0MB). Free memory was 117.3MB in the beginning and 269.2MB in the end (delta: -151.9MB). Peak memory consumption was 383.5MB. Max. memory is 16.1GB. [2023-02-14 22:31:58,858 INFO L158 Benchmark]: Witness Printer took 71.29ms. Allocated memory is still 610.3MB. Free memory was 269.2MB in the beginning and 261.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-14 22:31:58,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.65ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 71.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.77ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 68.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.43ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 732.44ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 66.5MB in the beginning and 118.1MB in the end (delta: -51.6MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15415.51ms. Allocated memory was 157.3MB in the beginning and 610.3MB in the end (delta: 453.0MB). Free memory was 117.3MB in the beginning and 269.2MB in the end (delta: -151.9MB). Peak memory consumption was 383.5MB. Max. memory is 16.1GB. * Witness Printer took 71.29ms. Allocated memory is still 610.3MB. Free memory was 269.2MB in the beginning and 261.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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: 624]: 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 1 procedures, 132 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 25, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2709 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2709 mSDsluCounter, 9568 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4499 mSDsCounter, 639 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3694 IncrementalHoareTripleChecker+Invalid, 4333 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 639 mSolverCounterUnsat, 5069 mSDtfsCounter, 3694 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3538 GetRequests, 3472 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4810occurred in iteration=19, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 25 MinimizatonAttempts, 1963 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 315 NumberOfFragments, 1105 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 124963 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 6986 NumberOfCodeBlocks, 6986 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 8229 ConstructedInterpolants, 0 QuantifiedInterpolants, 11596 SizeOfPredicates, 10 NumberOfNonLiveVariables, 4011 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 36 InterpolantComputations, 21 PerfectInterpolantSequences, 25321/25584 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 1 specifications checked. All of them hold - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((ag_Y <= 208 && !(4400 <= s__state)) && !(s__hit == 0)) && 4352 <= s__state) && blastFlag == 0) || ((((s__hit == 0 && 2 == blastFlag) && !(4400 <= s__state)) && 48 == ag_Z) && 4352 <= s__state)) || ((((s__hit == 0 && !(4400 <= s__state)) && 48 == ag_Z) && 4352 <= s__state) && blastFlag == 0)) || ((((ag_Y <= 208 && 2 == blastFlag) && !(4400 <= s__state)) && !(s__hit == 0)) && 4352 <= s__state) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__hit == 0) && 48 == ag_Z) && s__state <= 4448) && blastFlag <= 4) || ((((4432 <= s__state && ag_Y <= 208) && s__state <= 4448) && !(s__hit == 0)) && blastFlag <= 4) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((((s__hit == 0 && 2 == blastFlag) && !(4400 <= s__state)) && 48 == ag_Z) && 4352 <= s__state) || ((((s__hit == 0 && !(4400 <= s__state)) && blastFlag == 1) && 48 == ag_Z) && 4352 <= s__state)) || ((((ag_Y <= 208 && !(4400 <= s__state)) && blastFlag == 1) && !(s__hit == 0)) && 4352 <= s__state)) || ((((ag_Y <= 208 && 2 == blastFlag) && !(4400 <= s__state)) && !(s__hit == 0)) && 4352 <= s__state) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((((s__hit == 0 && 48 == ag_Z) && 12292 == s__state) && blastFlag == 0) || (((ag_Y <= 208 && 2 == blastFlag) && !(s__hit == 0)) && 12292 == s__state)) || (((ag_Y <= 208 && !(s__hit == 0)) && 12292 == s__state) && blastFlag == 0)) || (((s__hit == 0 && 2 == blastFlag) && 48 == ag_Z) && 12292 == s__state) - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: ((((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4352) && 48 == ag_Z) && 4352 <= s__state) && blastFlag <= 4) && 4560 <= s__s3__tmp__next_state___0) || (((((3 == s__s3__tmp__next_state___0 && ag_Y <= 208) && s__state <= 4352) && !(s__hit == 0)) && 4352 <= s__state) && blastFlag <= 4)) || ((((s__hit == 0 && 2 == blastFlag) && s__state <= 4352) && 48 == ag_Z) && 4352 <= s__state)) || ((((ag_Y <= 208 && 2 == blastFlag) && s__state <= 4352) && !(s__hit == 0)) && 4352 <= s__state) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((ag_Y <= 208 && !(s__hit == 0)) && 4416 == s__state) && blastFlag <= 4) || ((s__hit == 0 && 2 == blastFlag) && 48 == ag_Z)) || (((s__hit == 0 && 48 == ag_Z) && 4416 == s__state) && blastFlag <= 4)) || (((4368 == s__state && ag_Y <= 208) && !(s__hit == 0)) && blastFlag == 0)) || (((s__hit == 0 && 48 == ag_Z) && 12292 == s__state) && blastFlag == 0)) || ((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4352) && 48 == ag_Z) && 4352 <= s__state) && blastFlag <= 4) && 4560 <= s__s3__tmp__next_state___0)) || (((ag_Y <= 208 && 4384 == s__state) && blastFlag == 1) && !(s__hit == 0))) || (((((3 == s__s3__tmp__next_state___0 && ag_Y <= 208) && s__state <= 4352) && !(s__hit == 0)) && 4352 <= s__state) && blastFlag <= 4)) || (((s__hit == 0 && 4384 == s__state) && blastFlag == 1) && 48 == ag_Z)) || (((ag_Y <= 208 && !(s__hit == 0)) && 12292 == s__state) && blastFlag == 0)) || ((ag_Y <= 208 && 2 == blastFlag) && !(s__hit == 0))) || (((s__hit == 0 && 4368 == s__state) && 48 == ag_Z) && blastFlag == 0)) || ((((4432 <= s__state && s__hit == 0) && 48 == ag_Z) && s__state <= 4528) && blastFlag <= 4)) || 3 == s__state) || ((((4432 <= s__state && ag_Y <= 208) && !(s__hit == 0)) && s__state <= 4528) && blastFlag <= 4)) || ((s__hit == 0 && 48 == ag_Z) && 48 == s__state)) || ((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 48 == ag_Z) && s__state <= 4560) && 4560 <= s__state) && blastFlag <= 4) && 4560 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__hit == 0) && 48 == ag_Z) && s__state <= 4464) && blastFlag <= 4) || ((((4432 <= s__state && ag_Y <= 208) && !(s__hit == 0)) && s__state <= 4464) && blastFlag <= 4) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && ag_Y <= 208) && s__state <= 4480) && !(s__hit == 0)) && blastFlag <= 4) || ((((4432 <= s__state && s__hit == 0) && s__state <= 4480) && 48 == ag_Z) && blastFlag <= 4) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 2 == blastFlag) && 48 == ag_Z) || (((ag_Y <= 208 && s__state <= 4352) && !(s__hit == 0)) && blastFlag == 0)) || (((s__hit == 0 && s__state <= 4352) && 48 == ag_Z) && blastFlag == 0)) || ((ag_Y <= 208 && 2 == blastFlag) && !(s__hit == 0)) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__hit == 0) && 48 == ag_Z) && s__state <= 4560) && blastFlag <= 4) || (((4432 <= s__state && ag_Y <= 208) && !(s__hit == 0)) && blastFlag <= 4) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((s__state <= 4432 && ag_Y <= 208) && !(s__hit == 0)) && 4352 <= s__state) && blastFlag <= 4) || ((((s__hit == 0 && s__state <= 4432) && !(s__state <= 4384)) && 48 == ag_Z) && blastFlag <= 4) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__hit == 0) && 48 == ag_Z) && s__state <= 4528) && blastFlag <= 4) || ((((4432 <= s__state && ag_Y <= 208) && !(s__hit == 0)) && s__state <= 4528) && blastFlag <= 4) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((((((((((ag_Y <= 208 && !(s__hit == 0)) && 4416 == s__state) && blastFlag <= 4) || ((s__hit == 0 && 2 == blastFlag) && 48 == ag_Z)) || (((s__hit == 0 && 48 == ag_Z) && 4416 == s__state) && blastFlag <= 4)) || (((4368 == s__state && ag_Y <= 208) && !(s__hit == 0)) && blastFlag == 0)) || ((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4352) && 48 == ag_Z) && 4352 <= s__state) && blastFlag <= 4) && 4560 <= s__s3__tmp__next_state___0)) || (((ag_Y <= 208 && 4384 == s__state) && blastFlag == 1) && !(s__hit == 0))) || (((((3 == s__s3__tmp__next_state___0 && ag_Y <= 208) && s__state <= 4352) && !(s__hit == 0)) && 4352 <= s__state) && blastFlag <= 4)) || (((s__hit == 0 && 4384 == s__state) && blastFlag == 1) && 48 == ag_Z)) || ((ag_Y <= 208 && 2 == blastFlag) && !(s__hit == 0))) || (((s__hit == 0 && 4368 == s__state) && 48 == ag_Z) && blastFlag == 0)) || ((((4432 <= s__state && s__hit == 0) && 48 == ag_Z) && s__state <= 4528) && blastFlag <= 4)) || 3 == s__state) || ((((4432 <= s__state && ag_Y <= 208) && !(s__hit == 0)) && s__state <= 4528) && blastFlag <= 4)) || ((s__hit == 0 && 48 == ag_Z) && 48 == s__state)) || ((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 48 == ag_Z) && s__state <= 4560) && 4560 <= s__state) && blastFlag <= 4) && 4560 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && ag_Y <= 208) && !(s__hit == 0)) && blastFlag <= 4) && s__state <= 4512) || ((((4432 <= s__state && s__hit == 0) && 48 == ag_Z) && blastFlag <= 4) && s__state <= 4512) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && s__state <= 4432) && 2 == blastFlag) && !(s__state <= 4384)) && 48 == ag_Z) || ((((s__state <= 4432 && ag_Y <= 208) && 2 == blastFlag) && !(s__hit == 0)) && 4352 <= s__state) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: (4432 <= s__state && s__hit == 0) || ((4432 <= s__state && ag_Y <= 208) && 2 == blastFlag) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && ag_Y <= 208) && !(s__hit == 0)) && blastFlag <= 4) && s__state <= 4512) || ((((4432 <= s__state && s__hit == 0) && 48 == ag_Z) && blastFlag <= 4) && s__state <= 4512) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-02-14 22:31:58,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE