./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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/eca-rers2012/Problem10_label10.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 aeaa951d8e8580b5c332234156773ae22fea12bbbe739a78054c027b3309c22c --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 12:39:14,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 12:39:14,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 12:39:14,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 12:39:14,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 12:39:14,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 12:39:14,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 12:39:14,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 12:39:14,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 12:39:14,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 12:39:14,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 12:39:14,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 12:39:14,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 12:39:14,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 12:39:14,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 12:39:14,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 12:39:14,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 12:39:14,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 12:39:14,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 12:39:14,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 12:39:14,457 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 12:39:14,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 12:39:14,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 12:39:14,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 12:39:14,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 12:39:14,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 12:39:14,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 12:39:14,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 12:39:14,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 12:39:14,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 12:39:14,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 12:39:14,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 12:39:14,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 12:39:14,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 12:39:14,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 12:39:14,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 12:39:14,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 12:39:14,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 12:39:14,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 12:39:14,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 12:39:14,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 12:39:14,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 12:39:14,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 12:39:14,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 12:39:14,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 12:39:14,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 12:39:14,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 12:39:14,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 12:39:14,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 12:39:14,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 12:39:14,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 12:39:14,500 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 12:39:14,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 12:39:14,501 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 12:39:14,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 12:39:14,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 12:39:14,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 12:39:14,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 12:39:14,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 12:39:14,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 12:39:14,502 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 12:39:14,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 12:39:14,502 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 12:39:14,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 12:39:14,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 12:39:14,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 12:39:14,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 12:39:14,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 12:39:14,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 12:39:14,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 12:39:14,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 12:39:14,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 12:39:14,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 12:39:14,505 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 12:39:14,505 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 12:39:14,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 12:39:14,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeaa951d8e8580b5c332234156773ae22fea12bbbe739a78054c027b3309c22c [2022-07-13 12:39:14,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 12:39:14,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 12:39:14,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 12:39:14,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 12:39:14,740 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 12:39:14,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2022-07-13 12:39:14,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11b95247f/89599b31214248cfad10cb5245cd7ae8/FLAGce328ca9e [2022-07-13 12:39:15,199 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 12:39:15,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2022-07-13 12:39:15,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11b95247f/89599b31214248cfad10cb5245cd7ae8/FLAGce328ca9e [2022-07-13 12:39:15,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11b95247f/89599b31214248cfad10cb5245cd7ae8 [2022-07-13 12:39:15,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 12:39:15,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 12:39:15,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 12:39:15,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 12:39:15,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 12:39:15,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d931f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15, skipping insertion in model container [2022-07-13 12:39:15,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 12:39:15,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 12:39:15,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label10.c[5544,5557] [2022-07-13 12:39:15,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 12:39:15,527 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 12:39:15,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label10.c[5544,5557] [2022-07-13 12:39:15,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 12:39:15,613 INFO L208 MainTranslator]: Completed translation [2022-07-13 12:39:15,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15 WrapperNode [2022-07-13 12:39:15,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 12:39:15,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 12:39:15,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 12:39:15,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 12:39:15,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,680 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-07-13 12:39:15,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 12:39:15,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 12:39:15,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 12:39:15,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 12:39:15,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 12:39:15,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 12:39:15,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 12:39:15,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 12:39:15,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (1/1) ... [2022-07-13 12:39:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 12:39:15,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:39:15,804 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) [2022-07-13 12:39:15,828 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 [2022-07-13 12:39:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 12:39:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 12:39:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 12:39:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 12:39:15,893 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 12:39:15,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 12:39:16,737 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 12:39:16,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 12:39:16,746 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 12:39:16,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:39:16 BoogieIcfgContainer [2022-07-13 12:39:16,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 12:39:16,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 12:39:16,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 12:39:16,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 12:39:16,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 12:39:15" (1/3) ... [2022-07-13 12:39:16,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5320b9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 12:39:16, skipping insertion in model container [2022-07-13 12:39:16,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:39:15" (2/3) ... [2022-07-13 12:39:16,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5320b9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 12:39:16, skipping insertion in model container [2022-07-13 12:39:16,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:39:16" (3/3) ... [2022-07-13 12:39:16,754 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label10.c [2022-07-13 12:39:16,765 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 12:39:16,766 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 12:39:16,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 12:39:16,832 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7f84e454, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39a8a283 [2022-07-13 12:39:16,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 12:39:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-13 12:39:16,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:16,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:39:16,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:16,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:16,849 INFO L85 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2022-07-13 12:39:16,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:16,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465504375] [2022-07-13 12:39:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:39:17,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:17,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465504375] [2022-07-13 12:39:17,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465504375] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:17,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:17,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:39:17,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713693274] [2022-07-13 12:39:17,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:17,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:17,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:17,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:17,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:17,081 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:17,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:17,642 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2022-07-13 12:39:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:17,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-07-13 12:39:17,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:17,677 INFO L225 Difference]: With dead ends: 552 [2022-07-13 12:39:17,678 INFO L226 Difference]: Without dead ends: 282 [2022-07-13 12:39:17,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:17,686 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 115 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:17,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 120 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:39:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-07-13 12:39:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-07-13 12:39:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2022-07-13 12:39:17,741 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 48 [2022-07-13 12:39:17,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:17,741 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2022-07-13 12:39:17,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2022-07-13 12:39:17,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 12:39:17,748 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:17,749 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-13 12:39:17,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 12:39:17,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:17,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1480196830, now seen corresponding path program 1 times [2022-07-13 12:39:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:17,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190652597] [2022-07-13 12:39:17,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 12:39:17,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:17,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190652597] [2022-07-13 12:39:17,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190652597] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 12:39:17,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304084845] [2022-07-13 12:39:17,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:17,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 12:39:17,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:39:17,956 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) [2022-07-13 12:39:17,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 12:39:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:18,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 12:39:18,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 12:39:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-13 12:39:18,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 12:39:18,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304084845] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:18,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 12:39:18,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-13 12:39:18,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35613460] [2022-07-13 12:39:18,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:18,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:18,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:18,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:18,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 12:39:18,213 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:18,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:18,551 INFO L93 Difference]: Finished difference Result 562 states and 752 transitions. [2022-07-13 12:39:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:18,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 12:39:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:18,554 INFO L225 Difference]: With dead ends: 562 [2022-07-13 12:39:18,554 INFO L226 Difference]: Without dead ends: 560 [2022-07-13 12:39:18,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 12:39:18,555 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 114 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:18,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 11 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:18,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-07-13 12:39:18,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2022-07-13 12:39:18,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4071428571428573) internal successors, (591), 420 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 591 transitions. [2022-07-13 12:39:18,564 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 591 transitions. Word has length 114 [2022-07-13 12:39:18,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:18,565 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 591 transitions. [2022-07-13 12:39:18,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:18,565 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 591 transitions. [2022-07-13 12:39:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-13 12:39:18,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:18,566 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-13 12:39:18,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 12:39:18,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 12:39:18,774 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:18,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:18,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1677633285, now seen corresponding path program 1 times [2022-07-13 12:39:18,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:18,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035563891] [2022-07-13 12:39:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:18,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:39:18,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:18,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035563891] [2022-07-13 12:39:18,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035563891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:18,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:18,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:39:18,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701665343] [2022-07-13 12:39:18,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:18,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:18,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:18,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:18,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:18,880 INFO L87 Difference]: Start difference. First operand 421 states and 591 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:19,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:19,206 INFO L93 Difference]: Finished difference Result 979 states and 1339 transitions. [2022-07-13 12:39:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:19,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-07-13 12:39:19,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:19,209 INFO L225 Difference]: With dead ends: 979 [2022-07-13 12:39:19,209 INFO L226 Difference]: Without dead ends: 560 [2022-07-13 12:39:19,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:19,211 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 72 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:19,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 77 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:19,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-07-13 12:39:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2022-07-13 12:39:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3237924865831843) internal successors, (740), 559 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2022-07-13 12:39:19,221 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 117 [2022-07-13 12:39:19,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:19,222 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2022-07-13 12:39:19,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2022-07-13 12:39:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-13 12:39:19,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:19,236 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-13 12:39:19,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 12:39:19,237 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:19,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1938532972, now seen corresponding path program 1 times [2022-07-13 12:39:19,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:19,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182101542] [2022-07-13 12:39:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:19,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:39:19,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:19,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182101542] [2022-07-13 12:39:19,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182101542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:19,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:19,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:39:19,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849592270] [2022-07-13 12:39:19,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:19,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:19,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:19,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:19,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:19,299 INFO L87 Difference]: Start difference. First operand 560 states and 740 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) [2022-07-13 12:39:19,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:19,701 INFO L93 Difference]: Finished difference Result 1257 states and 1758 transitions. [2022-07-13 12:39:19,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:19,701 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 123 [2022-07-13 12:39:19,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:19,705 INFO L225 Difference]: With dead ends: 1257 [2022-07-13 12:39:19,705 INFO L226 Difference]: Without dead ends: 838 [2022-07-13 12:39:19,705 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 [2022-07-13 12:39:19,706 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 94 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:19,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 226 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 12:39:19,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2022-07-13 12:39:19,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2022-07-13 12:39:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.3094555873925502) internal successors, (914), 698 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 914 transitions. [2022-07-13 12:39:19,726 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 914 transitions. Word has length 123 [2022-07-13 12:39:19,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:19,726 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 914 transitions. [2022-07-13 12:39:19,726 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) [2022-07-13 12:39:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 914 transitions. [2022-07-13 12:39:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-13 12:39:19,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:19,728 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:39:19,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 12:39:19,729 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:19,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1289025903, now seen corresponding path program 1 times [2022-07-13 12:39:19,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:19,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45973252] [2022-07-13 12:39:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-07-13 12:39:19,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:19,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45973252] [2022-07-13 12:39:19,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45973252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:19,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:19,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:39:19,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352389977] [2022-07-13 12:39:19,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:19,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:19,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:19,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:19,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:19,803 INFO L87 Difference]: Start difference. First operand 699 states and 914 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:20,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:20,127 INFO L93 Difference]: Finished difference Result 1535 states and 2010 transitions. [2022-07-13 12:39:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:20,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 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 183 [2022-07-13 12:39:20,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:20,131 INFO L225 Difference]: With dead ends: 1535 [2022-07-13 12:39:20,131 INFO L226 Difference]: Without dead ends: 977 [2022-07-13 12:39:20,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:20,132 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:20,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 34 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-07-13 12:39:20,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2022-07-13 12:39:20,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.1905737704918034) internal successors, (1162), 976 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1162 transitions. [2022-07-13 12:39:20,148 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1162 transitions. Word has length 183 [2022-07-13 12:39:20,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:20,148 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1162 transitions. [2022-07-13 12:39:20,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:20,149 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1162 transitions. [2022-07-13 12:39:20,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-13 12:39:20,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:20,151 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:39:20,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 12:39:20,151 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:20,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:20,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1428247304, now seen corresponding path program 1 times [2022-07-13 12:39:20,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:20,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699139162] [2022-07-13 12:39:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:20,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:39:20,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:20,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699139162] [2022-07-13 12:39:20,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699139162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:20,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:20,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:39:20,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104564860] [2022-07-13 12:39:20,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:20,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:20,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:20,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:20,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:20,248 INFO L87 Difference]: Start difference. First operand 977 states and 1162 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:20,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:20,605 INFO L93 Difference]: Finished difference Result 2091 states and 2557 transitions. [2022-07-13 12:39:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:20,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 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 200 [2022-07-13 12:39:20,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:20,609 INFO L225 Difference]: With dead ends: 2091 [2022-07-13 12:39:20,609 INFO L226 Difference]: Without dead ends: 1255 [2022-07-13 12:39:20,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:20,610 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 79 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:20,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 19 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:20,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2022-07-13 12:39:20,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2022-07-13 12:39:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.2129186602870814) internal successors, (1521), 1254 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1521 transitions. [2022-07-13 12:39:20,625 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1521 transitions. Word has length 200 [2022-07-13 12:39:20,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:20,625 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 1521 transitions. [2022-07-13 12:39:20,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1521 transitions. [2022-07-13 12:39:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-13 12:39:20,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:20,627 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:39:20,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 12:39:20,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:20,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:20,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1217126244, now seen corresponding path program 1 times [2022-07-13 12:39:20,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:20,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000186656] [2022-07-13 12:39:20,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:20,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:39:20,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:20,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000186656] [2022-07-13 12:39:20,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000186656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:20,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:20,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:39:20,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792957102] [2022-07-13 12:39:20,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:20,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:20,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:20,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:20,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:20,697 INFO L87 Difference]: Start difference. First operand 1255 states and 1521 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:21,009 INFO L93 Difference]: Finished difference Result 2647 states and 3255 transitions. [2022-07-13 12:39:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:21,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2022-07-13 12:39:21,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:21,013 INFO L225 Difference]: With dead ends: 2647 [2022-07-13 12:39:21,013 INFO L226 Difference]: Without dead ends: 1533 [2022-07-13 12:39:21,014 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 [2022-07-13 12:39:21,014 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 52 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:21,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 213 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:21,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2022-07-13 12:39:21,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2022-07-13 12:39:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.1879895561357703) internal successors, (1820), 1532 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1820 transitions. [2022-07-13 12:39:21,032 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1820 transitions. Word has length 208 [2022-07-13 12:39:21,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:21,032 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 1820 transitions. [2022-07-13 12:39:21,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1820 transitions. [2022-07-13 12:39:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-13 12:39:21,034 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:21,035 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-13 12:39:21,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 12:39:21,035 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:21,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:21,035 INFO L85 PathProgramCache]: Analyzing trace with hash -700660365, now seen corresponding path program 1 times [2022-07-13 12:39:21,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:21,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637264944] [2022-07-13 12:39:21,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:21,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:39:21,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:21,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637264944] [2022-07-13 12:39:21,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637264944] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:21,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:21,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 12:39:21,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920436697] [2022-07-13 12:39:21,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:21,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 12:39:21,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:21,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 12:39:21,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-13 12:39:21,161 INFO L87 Difference]: Start difference. First operand 1533 states and 1820 transitions. Second operand has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:21,501 INFO L93 Difference]: Finished difference Result 2980 states and 3549 transitions. [2022-07-13 12:39:21,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 12:39:21,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 0 states have call successors, (0), 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 255 [2022-07-13 12:39:21,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:21,507 INFO L225 Difference]: With dead ends: 2980 [2022-07-13 12:39:21,507 INFO L226 Difference]: Without dead ends: 1533 [2022-07-13 12:39:21,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-13 12:39:21,509 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 201 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:21,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 20 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:21,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2022-07-13 12:39:21,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2022-07-13 12:39:21,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.183420365535248) internal successors, (1813), 1532 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1813 transitions. [2022-07-13 12:39:21,531 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1813 transitions. Word has length 255 [2022-07-13 12:39:21,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:21,531 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 1813 transitions. [2022-07-13 12:39:21,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1813 transitions. [2022-07-13 12:39:21,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-13 12:39:21,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:21,535 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2022-07-13 12:39:21,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 12:39:21,536 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:21,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:21,536 INFO L85 PathProgramCache]: Analyzing trace with hash -590602471, now seen corresponding path program 1 times [2022-07-13 12:39:21,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:21,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419829008] [2022-07-13 12:39:21,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:21,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-13 12:39:21,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:21,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419829008] [2022-07-13 12:39:21,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419829008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:21,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:21,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:39:21,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786645614] [2022-07-13 12:39:21,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:21,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:21,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:21,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:21,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:21,616 INFO L87 Difference]: Start difference. First operand 1533 states and 1813 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:21,945 INFO L93 Difference]: Finished difference Result 2091 states and 2455 transitions. [2022-07-13 12:39:21,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:21,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 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 291 [2022-07-13 12:39:21,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:21,951 INFO L225 Difference]: With dead ends: 2091 [2022-07-13 12:39:21,951 INFO L226 Difference]: Without dead ends: 2089 [2022-07-13 12:39:21,952 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 [2022-07-13 12:39:21,952 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 136 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:21,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 11 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:21,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2022-07-13 12:39:21,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1533. [2022-07-13 12:39:21,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.183420365535248) internal successors, (1813), 1532 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1813 transitions. [2022-07-13 12:39:21,988 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1813 transitions. Word has length 291 [2022-07-13 12:39:21,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:21,988 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 1813 transitions. [2022-07-13 12:39:21,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:21,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1813 transitions. [2022-07-13 12:39:21,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-07-13 12:39:21,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:21,991 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:39:21,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 12:39:21,992 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:21,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1540809719, now seen corresponding path program 1 times [2022-07-13 12:39:21,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:21,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759089101] [2022-07-13 12:39:21,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:21,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2022-07-13 12:39:22,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:22,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759089101] [2022-07-13 12:39:22,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759089101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:22,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:22,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:39:22,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047726264] [2022-07-13 12:39:22,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:22,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:22,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:22,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:22,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:22,073 INFO L87 Difference]: Start difference. First operand 1533 states and 1813 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:22,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:22,431 INFO L93 Difference]: Finished difference Result 1674 states and 1962 transitions. [2022-07-13 12:39:22,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:22,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 326 [2022-07-13 12:39:22,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:22,436 INFO L225 Difference]: With dead ends: 1674 [2022-07-13 12:39:22,436 INFO L226 Difference]: Without dead ends: 1672 [2022-07-13 12:39:22,436 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 [2022-07-13 12:39:22,437 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 136 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:22,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 11 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:22,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2022-07-13 12:39:22,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1394. [2022-07-13 12:39:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.1938262742282844) internal successors, (1663), 1393 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1663 transitions. [2022-07-13 12:39:22,455 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1663 transitions. Word has length 326 [2022-07-13 12:39:22,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:22,455 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1663 transitions. [2022-07-13 12:39:22,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1663 transitions. [2022-07-13 12:39:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-07-13 12:39:22,459 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:39:22,459 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-13 12:39:22,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 12:39:22,459 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:39:22,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:39:22,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1257806135, now seen corresponding path program 1 times [2022-07-13 12:39:22,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:39:22,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766962268] [2022-07-13 12:39:22,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:39:22,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:39:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:39:22,562 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-07-13 12:39:22,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:39:22,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766962268] [2022-07-13 12:39:22,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766962268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:39:22,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:39:22,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:39:22,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125929266] [2022-07-13 12:39:22,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:39:22,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:39:22,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:39:22,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:39:22,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:22,565 INFO L87 Difference]: Start difference. First operand 1394 states and 1663 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:22,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:39:22,868 INFO L93 Difference]: Finished difference Result 2645 states and 3180 transitions. [2022-07-13 12:39:22,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:39:22,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 347 [2022-07-13 12:39:22,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:39:22,869 INFO L225 Difference]: With dead ends: 2645 [2022-07-13 12:39:22,869 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 12:39:22,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:39:22,871 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 117 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:39:22,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 19 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 12:39:22,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 12:39:22,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 12:39:22,871 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) [2022-07-13 12:39:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 12:39:22,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 347 [2022-07-13 12:39:22,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:39:22,872 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 12:39:22,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:39:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 12:39:22,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 12:39:22,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 12:39:22,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 12:39:22,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2022-07-13 12:39:23,038 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-13 12:39:23,041 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-13 12:39:23,041 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-13 12:39:23,041 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-13 12:39:23,041 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-13 12:39:23,041 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-13 12:39:23,042 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2022-07-13 12:39:23,043 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2022-07-13 12:39:23,044 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-13 12:39:23,044 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-13 12:39:23,044 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-13 12:39:23,044 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-13 12:39:23,044 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-13 12:39:23,044 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-13 12:39:23,044 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2022-07-13 12:39:23,044 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2022-07-13 12:39:23,045 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,046 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L895 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (not (= ~a10~0 2)) .cse1 .cse2) (and (= ~a10~0 0) .cse1 .cse2) (and .cse0 (<= 7 ~a19~0) .cse1 .cse2) (and (= ~a10~0 1) .cse1 .cse2))) [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2022-07-13 12:39:23,047 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L902 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,048 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2022-07-13 12:39:23,049 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (not (= ~a10~0 2)) .cse1 .cse2) (and (= ~a10~0 0) .cse1 .cse2) (and .cse0 (<= 7 ~a19~0) .cse1 .cse2) (and (= ~a10~0 1) .cse1 .cse2))) [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-13 12:39:23,050 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-13 12:39:23,051 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-13 12:39:23,051 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-13 12:39:23,051 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-13 12:39:23,051 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-07-13 12:39:23,051 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 12:39:23,051 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2022-07-13 12:39:23,053 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2022-07-13 12:39:23,053 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2022-07-13 12:39:23,053 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2022-07-13 12:39:23,053 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2022-07-13 12:39:23,053 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,053 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,054 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,054 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,054 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,054 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2022-07-13 12:39:23,054 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2022-07-13 12:39:23,057 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2022-07-13 12:39:23,057 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2022-07-13 12:39:23,057 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-13 12:39:23,058 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-13 12:39:23,058 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-13 12:39:23,058 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-13 12:39:23,058 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-13 12:39:23,059 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-13 12:39:23,061 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:39:23,062 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 12:39:23,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 12:39:23 BoogieIcfgContainer [2022-07-13 12:39:23,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 12:39:23,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 12:39:23,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 12:39:23,074 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 12:39:23,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:39:16" (3/4) ... [2022-07-13 12:39:23,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 12:39:23,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 12:39:23,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 12:39:23,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 12:39:23,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 12:39:23,143 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 12:39:23,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 12:39:23,144 INFO L158 Benchmark]: Toolchain (without parser) took 7918.56ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 58.5MB in the beginning and 158.8MB in the end (delta: -100.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-07-13 12:39:23,144 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 12:39:23,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.90ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 51.5MB in the end (delta: 6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 12:39:23,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.73ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 43.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 12:39:23,145 INFO L158 Benchmark]: Boogie Preprocessor took 85.68ms. Allocated memory is still 92.3MB. Free memory was 43.9MB in the beginning and 38.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 12:39:23,145 INFO L158 Benchmark]: RCFGBuilder took 980.26ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 38.9MB in the beginning and 43.9MB in the end (delta: -5.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-07-13 12:39:23,146 INFO L158 Benchmark]: TraceAbstraction took 6324.11ms. Allocated memory was 130.0MB in the beginning and 201.3MB in the end (delta: 71.3MB). Free memory was 42.7MB in the beginning and 168.5MB in the end (delta: -125.8MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-07-13 12:39:23,146 INFO L158 Benchmark]: Witness Printer took 70.15ms. Allocated memory is still 201.3MB. Free memory was 168.5MB in the beginning and 158.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 12:39:23,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.90ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 51.5MB in the end (delta: 6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.73ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 43.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.68ms. Allocated memory is still 92.3MB. Free memory was 43.9MB in the beginning and 38.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 980.26ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 38.9MB in the beginning and 43.9MB in the end (delta: -5.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6324.11ms. Allocated memory was 130.0MB in the beginning and 201.3MB in the end (delta: 71.3MB). Free memory was 42.7MB in the beginning and 168.5MB in the end (delta: -125.8MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Witness Printer took 70.15ms. Allocated memory is still 201.3MB. Free memory was 168.5MB in the beginning and 158.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. 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: 158]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1223 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1223 mSDsluCounter, 761 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 665 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4135 IncrementalHoareTripleChecker+Invalid, 4800 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 665 mSolverCounterUnsat, 709 mSDtfsCounter, 4135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1533occurred in iteration=7, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1112 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 27 NumberOfFragments, 97 HoareAnnotationTreeSize, 3 FomulaSimplifications, 418 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 524 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2326 NumberOfCodeBlocks, 2326 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2314 ConstructedInterpolants, 0 QuantifiedInterpolants, 6994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 200 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 1737/1781 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: 592]: Loop Invariant Derived loop invariant: (((((a19 <= 9 && !(a10 == 2)) && 14 == a4) && a12 == 0) || ((a10 == 0 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 7 <= a19) && 14 == a4) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a19 <= 9 && !(a10 == 2)) && 14 == a4) && a12 == 0) || ((a10 == 0 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 7 <= a19) && 14 == a4) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 12:39:23,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE