./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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_label30.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 eb3589f7ac8cc36dbc174674ff662c7d01ff9c6a634a07252076bdde63255d7d --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:34:26,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:34:26,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:34:26,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:34:26,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:34:26,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:34:26,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:34:26,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:34:26,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:34:26,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:34:26,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:34:26,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:34:26,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:34:26,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:34:26,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:34:26,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:34:26,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:34:26,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:34:26,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:34:26,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:34:26,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:34:26,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:34:26,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:34:26,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:34:26,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:34:26,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:34:26,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:34:26,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:34:26,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:34:26,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:34:26,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:34:26,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:34:26,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:34:26,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:34:26,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:34:26,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:34:26,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:34:26,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:34:26,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:34:26,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:34:26,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:34:26,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:34:26,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:34:26,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:34:26,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:34:26,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:34:26,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:34:26,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:34:26,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:34:26,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:34:26,437 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:34:26,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:34:26,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:34:26,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:34:26,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:34:26,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:34:26,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:34:26,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:34:26,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:34:26,439 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:34:26,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:34:26,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:34:26,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:34:26,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:34:26,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:34:26,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:34:26,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:34:26,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:34:26,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:34:26,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:34:26,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:34:26,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:34:26,441 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:34:26,442 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:34:26,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:34:26,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:34:26,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb3589f7ac8cc36dbc174674ff662c7d01ff9c6a634a07252076bdde63255d7d [2021-12-15 09:34:26,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:34:26,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:34:26,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:34:26,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:34:26,614 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:34:26,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2021-12-15 09:34:26,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c034f3246/83a29a8aebe541efb35823e40172b66e/FLAG13d94f3db [2021-12-15 09:34:27,038 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:34:27,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2021-12-15 09:34:27,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c034f3246/83a29a8aebe541efb35823e40172b66e/FLAG13d94f3db [2021-12-15 09:34:27,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c034f3246/83a29a8aebe541efb35823e40172b66e [2021-12-15 09:34:27,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:34:27,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:34:27,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:34:27,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:34:27,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:34:27,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2047320a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27, skipping insertion in model container [2021-12-15 09:34:27,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:34:27,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:34:27,621 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_label30.c[4019,4032] [2021-12-15 09:34:27,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:34:27,714 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:34:27,729 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_label30.c[4019,4032] [2021-12-15 09:34:27,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:34:27,815 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:34:27,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27 WrapperNode [2021-12-15 09:34:27,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:34:27,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:34:27,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:34:27,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:34:27,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,873 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-12-15 09:34:27,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:34:27,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:34:27,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:34:27,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:34:27,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:34:27,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:34:27,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:34:27,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:34:27,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (1/1) ... [2021-12-15 09:34:27,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:34:27,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:27,977 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) [2021-12-15 09:34:27,993 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 [2021-12-15 09:34:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:34:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:34:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:34:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:34:28,073 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:34:28,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:34:28,726 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:34:28,731 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:34:28,732 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:34:28,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:28 BoogieIcfgContainer [2021-12-15 09:34:28,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:34:28,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:34:28,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:34:28,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:34:28,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:34:27" (1/3) ... [2021-12-15 09:34:28,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36cdfcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:34:28, skipping insertion in model container [2021-12-15 09:34:28,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:27" (2/3) ... [2021-12-15 09:34:28,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36cdfcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:34:28, skipping insertion in model container [2021-12-15 09:34:28,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:28" (3/3) ... [2021-12-15 09:34:28,739 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2021-12-15 09:34:28,743 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:34:28,743 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:34:28,780 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:34:28,784 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 09:34:28,785 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:34:28,798 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) [2021-12-15 09:34:28,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-15 09:34:28,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:28,803 INFO L514 BasicCegarLoop]: 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] [2021-12-15 09:34:28,803 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1089129850, now seen corresponding path program 1 times [2021-12-15 09:34:28,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:28,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892999973] [2021-12-15 09:34:28,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:28,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:28,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:28,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892999973] [2021-12-15 09:34:28,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892999973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:28,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:28,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:34:28,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187260776] [2021-12-15 09:34:28,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:28,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:28,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:29,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:29,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:29,024 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 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-12-15 09:34:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:29,652 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2021-12-15 09:34:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:29,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-12-15 09:34:29,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:29,663 INFO L225 Difference]: With dead ends: 567 [2021-12-15 09:34:29,663 INFO L226 Difference]: Without dead ends: 282 [2021-12-15 09:34:29,666 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:34:29,668 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 144 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:29,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 66 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:34:29,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-12-15 09:34:29,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-12-15 09:34:29,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.4661921708185053) internal successors, (412), 281 states have internal predecessors, (412), 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) [2021-12-15 09:34:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2021-12-15 09:34:29,718 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 34 [2021-12-15 09:34:29,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:29,718 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2021-12-15 09:34:29,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-12-15 09:34:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2021-12-15 09:34:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-15 09:34:29,727 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:29,728 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:29,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:34:29,729 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:29,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:29,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1202022428, now seen corresponding path program 1 times [2021-12-15 09:34:29,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:29,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138130212] [2021-12-15 09:34:29,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:29,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:29,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:29,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138130212] [2021-12-15 09:34:29,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138130212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:29,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:29,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:34:29,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78210865] [2021-12-15 09:34:29,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:29,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:29,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:29,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:29,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:29,842 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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) [2021-12-15 09:34:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:30,203 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2021-12-15 09:34:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:30,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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 104 [2021-12-15 09:34:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:30,205 INFO L225 Difference]: With dead ends: 840 [2021-12-15 09:34:30,206 INFO L226 Difference]: Without dead ends: 560 [2021-12-15 09:34:30,207 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:34:30,207 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 75 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:30,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 67 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:30,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-12-15 09:34:30,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-12-15 09:34:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3059033989266546) internal successors, (730), 559 states have internal predecessors, (730), 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) [2021-12-15 09:34:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2021-12-15 09:34:30,221 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 104 [2021-12-15 09:34:30,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:30,221 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2021-12-15 09:34:30,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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) [2021-12-15 09:34:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2021-12-15 09:34:30,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-15 09:34:30,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:30,223 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:30,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:34:30,223 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:30,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:30,224 INFO L85 PathProgramCache]: Analyzing trace with hash -560431948, now seen corresponding path program 1 times [2021-12-15 09:34:30,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:30,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884449355] [2021-12-15 09:34:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:30,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:30,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:30,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884449355] [2021-12-15 09:34:30,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884449355] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:34:30,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390481433] [2021-12-15 09:34:30,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:30,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:30,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:30,312 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) [2021-12-15 09:34:30,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 09:34:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:30,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:34:30,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:34:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:30,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:34:30,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390481433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:30,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:34:30,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-15 09:34:30,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713176567] [2021-12-15 09:34:30,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:30,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:30,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:30,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:30,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:34:30,569 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-12-15 09:34:30,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:30,954 INFO L93 Difference]: Finished difference Result 1396 states and 1867 transitions. [2021-12-15 09:34:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:30,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2021-12-15 09:34:30,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:30,958 INFO L225 Difference]: With dead ends: 1396 [2021-12-15 09:34:30,958 INFO L226 Difference]: Without dead ends: 838 [2021-12-15 09:34:30,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:34:30,960 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 121 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:30,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 52 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:34:30,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-12-15 09:34:30,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-12-15 09:34:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2939068100358424) internal successors, (1083), 837 states have internal predecessors, (1083), 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) [2021-12-15 09:34:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1083 transitions. [2021-12-15 09:34:30,976 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1083 transitions. Word has length 109 [2021-12-15 09:34:30,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:30,976 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1083 transitions. [2021-12-15 09:34:30,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-12-15 09:34:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1083 transitions. [2021-12-15 09:34:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-12-15 09:34:30,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:30,979 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:30,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 09:34:31,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:31,194 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:31,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:31,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1284961652, now seen corresponding path program 1 times [2021-12-15 09:34:31,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:31,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613531029] [2021-12-15 09:34:31,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:31,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:31,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:31,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613531029] [2021-12-15 09:34:31,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613531029] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:31,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:31,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:34:31,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043288884] [2021-12-15 09:34:31,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:31,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:31,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:31,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:31,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:31,289 INFO L87 Difference]: Start difference. First operand 838 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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) [2021-12-15 09:34:31,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:31,599 INFO L93 Difference]: Finished difference Result 2230 states and 2835 transitions. [2021-12-15 09:34:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:31,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 125 [2021-12-15 09:34:31,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:31,604 INFO L225 Difference]: With dead ends: 2230 [2021-12-15 09:34:31,604 INFO L226 Difference]: Without dead ends: 1394 [2021-12-15 09:34:31,605 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:34:31,610 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 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 [2021-12-15 09:34:31,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 34 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:31,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-12-15 09:34:31,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2021-12-15 09:34:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.2001594896331738) internal successors, (1505), 1254 states have internal predecessors, (1505), 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) [2021-12-15 09:34:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1505 transitions. [2021-12-15 09:34:31,637 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1505 transitions. Word has length 125 [2021-12-15 09:34:31,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:31,638 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1505 transitions. [2021-12-15 09:34:31,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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) [2021-12-15 09:34:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1505 transitions. [2021-12-15 09:34:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-15 09:34:31,641 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:31,641 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:31,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:34:31,642 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:31,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:31,643 INFO L85 PathProgramCache]: Analyzing trace with hash -126231163, now seen corresponding path program 1 times [2021-12-15 09:34:31,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:31,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610710739] [2021-12-15 09:34:31,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:31,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:31,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:31,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610710739] [2021-12-15 09:34:31,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610710739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:31,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:31,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:34:31,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345027038] [2021-12-15 09:34:31,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:31,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:31,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:31,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:31,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:31,751 INFO L87 Difference]: Start difference. First operand 1255 states and 1505 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2021-12-15 09:34:32,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:32,043 INFO L93 Difference]: Finished difference Result 2647 states and 3157 transitions. [2021-12-15 09:34:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:32,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 126 [2021-12-15 09:34:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:32,048 INFO L225 Difference]: With dead ends: 2647 [2021-12-15 09:34:32,048 INFO L226 Difference]: Without dead ends: 1394 [2021-12-15 09:34:32,050 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:34:32,050 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 49 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:32,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 82 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:32,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-12-15 09:34:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2021-12-15 09:34:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.183776022972003) internal successors, (1649), 1393 states have internal predecessors, (1649), 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) [2021-12-15 09:34:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1649 transitions. [2021-12-15 09:34:32,075 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1649 transitions. Word has length 126 [2021-12-15 09:34:32,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:32,076 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 1649 transitions. [2021-12-15 09:34:32,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2021-12-15 09:34:32,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1649 transitions. [2021-12-15 09:34:32,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-15 09:34:32,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:32,079 INFO L514 BasicCegarLoop]: 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, 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] [2021-12-15 09:34:32,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:34:32,079 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:32,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:32,080 INFO L85 PathProgramCache]: Analyzing trace with hash 334684273, now seen corresponding path program 1 times [2021-12-15 09:34:32,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:32,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711259123] [2021-12-15 09:34:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:32,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-15 09:34:32,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:32,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711259123] [2021-12-15 09:34:32,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711259123] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:34:32,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207858212] [2021-12-15 09:34:32,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:32,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:32,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:32,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:34:32,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 09:34:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:32,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:34:32,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:34:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-15 09:34:32,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:34:32,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207858212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:32,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:34:32,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-15 09:34:32,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080906374] [2021-12-15 09:34:32,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:32,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:32,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:32,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:32,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:34:32,456 INFO L87 Difference]: Start difference. First operand 1394 states and 1649 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-12-15 09:34:32,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:32,792 INFO L93 Difference]: Finished difference Result 2925 states and 3521 transitions. [2021-12-15 09:34:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:32,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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 192 [2021-12-15 09:34:32,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:32,797 INFO L225 Difference]: With dead ends: 2925 [2021-12-15 09:34:32,797 INFO L226 Difference]: Without dead ends: 1672 [2021-12-15 09:34:32,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:34:32,799 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 110 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:32,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 221 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:32,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-12-15 09:34:32,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2021-12-15 09:34:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1671 states have (on average 1.168162776780371) internal successors, (1952), 1671 states have internal predecessors, (1952), 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) [2021-12-15 09:34:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1952 transitions. [2021-12-15 09:34:32,821 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1952 transitions. Word has length 192 [2021-12-15 09:34:32,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:32,822 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 1952 transitions. [2021-12-15 09:34:32,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-12-15 09:34:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1952 transitions. [2021-12-15 09:34:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-12-15 09:34:32,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:32,824 INFO L514 BasicCegarLoop]: 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, 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] [2021-12-15 09:34:32,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 09:34:33,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-15 09:34:33,040 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:33,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash -624322341, now seen corresponding path program 1 times [2021-12-15 09:34:33,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:33,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945907780] [2021-12-15 09:34:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:33,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-15 09:34:33,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:33,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945907780] [2021-12-15 09:34:33,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945907780] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:34:33,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959619520] [2021-12-15 09:34:33,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:33,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:33,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:33,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:34:33,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 09:34:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:33,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:34:33,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:34:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-15 09:34:33,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:34:33,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959619520] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:33,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:34:33,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-12-15 09:34:33,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125472697] [2021-12-15 09:34:33,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:33,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:33,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:33,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:33,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:34:33,477 INFO L87 Difference]: Start difference. First operand 1672 states and 1952 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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) [2021-12-15 09:34:33,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:33,778 INFO L93 Difference]: Finished difference Result 2508 states and 2933 transitions. [2021-12-15 09:34:33,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:33,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 193 [2021-12-15 09:34:33,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:33,784 INFO L225 Difference]: With dead ends: 2508 [2021-12-15 09:34:33,784 INFO L226 Difference]: Without dead ends: 2506 [2021-12-15 09:34:33,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:34:33,785 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 84 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:33,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 16 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:33,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2021-12-15 09:34:33,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1811. [2021-12-15 09:34:33,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 1.1828729281767956) internal successors, (2141), 1810 states have internal predecessors, (2141), 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) [2021-12-15 09:34:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2141 transitions. [2021-12-15 09:34:33,844 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2141 transitions. Word has length 193 [2021-12-15 09:34:33,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:33,844 INFO L470 AbstractCegarLoop]: Abstraction has 1811 states and 2141 transitions. [2021-12-15 09:34:33,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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) [2021-12-15 09:34:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2141 transitions. [2021-12-15 09:34:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-15 09:34:33,846 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:33,846 INFO L514 BasicCegarLoop]: 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, 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] [2021-12-15 09:34:33,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 09:34:34,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:34,063 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:34,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:34,063 INFO L85 PathProgramCache]: Analyzing trace with hash 543736396, now seen corresponding path program 1 times [2021-12-15 09:34:34,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:34,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689715776] [2021-12-15 09:34:34,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:34,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:34,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:34,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689715776] [2021-12-15 09:34:34,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689715776] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:34,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:34,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:34,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576496620] [2021-12-15 09:34:34,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:34,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:34,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:34,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:34,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:34,129 INFO L87 Difference]: Start difference. First operand 1811 states and 2141 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2021-12-15 09:34:34,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:34,443 INFO L93 Difference]: Finished difference Result 3898 states and 4694 transitions. [2021-12-15 09:34:34,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:34,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 194 [2021-12-15 09:34:34,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:34,449 INFO L225 Difference]: With dead ends: 3898 [2021-12-15 09:34:34,449 INFO L226 Difference]: Without dead ends: 2228 [2021-12-15 09:34:34,451 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:34:34,452 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 52 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:34,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 213 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:34,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2021-12-15 09:34:34,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2089. [2021-12-15 09:34:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.1685823754789273) internal successors, (2440), 2088 states have internal predecessors, (2440), 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) [2021-12-15 09:34:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2440 transitions. [2021-12-15 09:34:34,476 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2440 transitions. Word has length 194 [2021-12-15 09:34:34,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:34,477 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2440 transitions. [2021-12-15 09:34:34,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2021-12-15 09:34:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2440 transitions. [2021-12-15 09:34:34,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-15 09:34:34,479 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:34,479 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:34,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:34:34,480 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:34,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:34,480 INFO L85 PathProgramCache]: Analyzing trace with hash -556479966, now seen corresponding path program 1 times [2021-12-15 09:34:34,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:34,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296833766] [2021-12-15 09:34:34,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:34,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-15 09:34:34,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:34,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296833766] [2021-12-15 09:34:34,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296833766] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:34,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:34,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 09:34:34,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373273530] [2021-12-15 09:34:34,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:34,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-15 09:34:34,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:34,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 09:34:34,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:34:34,594 INFO L87 Difference]: Start difference. First operand 2089 states and 2440 transitions. Second operand has 7 states, 7 states have (on average 29.0) internal successors, (203), 6 states have internal predecessors, (203), 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) [2021-12-15 09:34:35,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:35,151 INFO L93 Difference]: Finished difference Result 4092 states and 4789 transitions. [2021-12-15 09:34:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 09:34:35,151 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 6 states have internal predecessors, (203), 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 246 [2021-12-15 09:34:35,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:35,156 INFO L225 Difference]: With dead ends: 4092 [2021-12-15 09:34:35,156 INFO L226 Difference]: Without dead ends: 2089 [2021-12-15 09:34:35,158 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:34:35,159 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 179 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:35,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 38 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:34:35,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-12-15 09:34:35,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-12-15 09:34:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.1633141762452108) internal successors, (2429), 2088 states have internal predecessors, (2429), 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) [2021-12-15 09:34:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2429 transitions. [2021-12-15 09:34:35,184 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2429 transitions. Word has length 246 [2021-12-15 09:34:35,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:35,185 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2429 transitions. [2021-12-15 09:34:35,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 6 states have internal predecessors, (203), 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) [2021-12-15 09:34:35,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2429 transitions. [2021-12-15 09:34:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-15 09:34:35,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:35,188 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:35,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 09:34:35,188 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:35,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:35,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1050013116, now seen corresponding path program 1 times [2021-12-15 09:34:35,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:35,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420388299] [2021-12-15 09:34:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:35,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:35,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:35,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420388299] [2021-12-15 09:34:35,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420388299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:35,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:35,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:34:35,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880361528] [2021-12-15 09:34:35,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:35,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:34:35,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:35,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:34:35,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:34:35,255 INFO L87 Difference]: Start difference. First operand 2089 states and 2429 transitions. Second operand has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 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) [2021-12-15 09:34:35,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:35,690 INFO L93 Difference]: Finished difference Result 4315 states and 5054 transitions. [2021-12-15 09:34:35,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:34:35,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 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 282 [2021-12-15 09:34:35,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:35,695 INFO L225 Difference]: With dead ends: 4315 [2021-12-15 09:34:35,696 INFO L226 Difference]: Without dead ends: 2367 [2021-12-15 09:34:35,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:34:35,698 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 235 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:35,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 198 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:34:35,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2021-12-15 09:34:35,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2021-12-15 09:34:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 2366 states have (on average 1.139475908706678) internal successors, (2696), 2366 states have internal predecessors, (2696), 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) [2021-12-15 09:34:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2696 transitions. [2021-12-15 09:34:35,727 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2696 transitions. Word has length 282 [2021-12-15 09:34:35,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:35,727 INFO L470 AbstractCegarLoop]: Abstraction has 2367 states and 2696 transitions. [2021-12-15 09:34:35,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 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) [2021-12-15 09:34:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2696 transitions. [2021-12-15 09:34:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-12-15 09:34:35,730 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:35,731 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:35,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 09:34:35,731 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:35,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:35,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1732473944, now seen corresponding path program 1 times [2021-12-15 09:34:35,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:35,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363443647] [2021-12-15 09:34:35,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:35,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 20 proven. 75 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-12-15 09:34:35,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:35,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363443647] [2021-12-15 09:34:35,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363443647] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:34:35,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828148264] [2021-12-15 09:34:35,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:35,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:35,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:35,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:34:35,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 09:34:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:35,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:34:35,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:34:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-12-15 09:34:36,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:34:36,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828148264] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:36,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:34:36,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-15 09:34:36,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577638919] [2021-12-15 09:34:36,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:36,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:36,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:36,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:36,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:34:36,236 INFO L87 Difference]: Start difference. First operand 2367 states and 2696 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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) [2021-12-15 09:34:36,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:36,566 INFO L93 Difference]: Finished difference Result 3203 states and 3591 transitions. [2021-12-15 09:34:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:36,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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 295 [2021-12-15 09:34:36,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:36,574 INFO L225 Difference]: With dead ends: 3203 [2021-12-15 09:34:36,574 INFO L226 Difference]: Without dead ends: 3201 [2021-12-15 09:34:36,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:34:36,575 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 150 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:36,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 11 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:36,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2021-12-15 09:34:36,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 2228. [2021-12-15 09:34:36,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 2227 states have (on average 1.1396497530309835) internal successors, (2538), 2227 states have internal predecessors, (2538), 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) [2021-12-15 09:34:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2538 transitions. [2021-12-15 09:34:36,608 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2538 transitions. Word has length 295 [2021-12-15 09:34:36,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:36,609 INFO L470 AbstractCegarLoop]: Abstraction has 2228 states and 2538 transitions. [2021-12-15 09:34:36,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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) [2021-12-15 09:34:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2538 transitions. [2021-12-15 09:34:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-12-15 09:34:36,613 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:36,613 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:36,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-15 09:34:36,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:36,827 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:36,827 INFO L85 PathProgramCache]: Analyzing trace with hash -993176621, now seen corresponding path program 1 times [2021-12-15 09:34:36,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:36,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595578137] [2021-12-15 09:34:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:36,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-12-15 09:34:36,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:36,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595578137] [2021-12-15 09:34:36,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595578137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:36,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:36,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:36,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594864649] [2021-12-15 09:34:36,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:36,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:36,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:36,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:36,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:36,919 INFO L87 Difference]: Start difference. First operand 2228 states and 2538 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2021-12-15 09:34:37,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:37,288 INFO L93 Difference]: Finished difference Result 5008 states and 5743 transitions. [2021-12-15 09:34:37,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:37,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 331 [2021-12-15 09:34:37,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:37,289 INFO L225 Difference]: With dead ends: 5008 [2021-12-15 09:34:37,289 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:34:37,291 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:34:37,292 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 110 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:37,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 28 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:37,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:34:37,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:34:37,292 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) [2021-12-15 09:34:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:34:37,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2021-12-15 09:34:37,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:37,293 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:34:37,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2021-12-15 09:34:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:34:37,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:34:37,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:34:37,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 09:34:37,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:34:37,698 INFO L858 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-12-15 09:34:37,699 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-12-15 09:34:37,699 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-12-15 09:34:37,699 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-12-15 09:34:37,699 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-12-15 09:34:37,699 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-12-15 09:34:37,699 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,699 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,699 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,700 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,700 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,701 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,701 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-12-15 09:34:37,701 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-15 09:34:37,701 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-15 09:34:37,701 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-15 09:34:37,701 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-15 09:34:37,702 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-15 09:34:37,702 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-15 09:34:37,702 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-12-15 09:34:37,702 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-12-15 09:34:37,702 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-12-15 09:34:37,702 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-12-15 09:34:37,702 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-12-15 09:34:37,703 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-12-15 09:34:37,704 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-15 09:34:37,705 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,706 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,707 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,707 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,707 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,707 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,707 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-12-15 09:34:37,707 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-12-15 09:34:37,707 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-15 09:34:37,707 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-15 09:34:37,708 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-15 09:34:37,708 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-15 09:34:37,708 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-15 09:34:37,708 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-15 09:34:37,708 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-12-15 09:34:37,708 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-12-15 09:34:37,709 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-12-15 09:34:37,709 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,709 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,709 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,709 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,709 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,709 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-12-15 09:34:37,709 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-12-15 09:34:37,710 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-12-15 09:34:37,711 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:34:37,712 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-15 09:34:37,712 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-15 09:34:37,712 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-15 09:34:37,712 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-15 09:34:37,712 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-15 09:34:37,713 INFO L854 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse5 (<= 8 ~a19~0)) (.cse2 (= 1 ~a10~0)) (.cse6 (= ~a10~0 0)) (.cse3 (<= 9 ~a19~0)) (.cse0 (= ~a4~0 14)) (.cse1 (= ~a12~0 0)) (.cse7 (<= ~a1~0 206)) (.cse4 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 (= ~a10~0 2) .cse5) (and .cse0 .cse6 .cse1 .cse7) (and .cse0 .cse1 (<= 4 ~a10~0) .cse4 .cse5) (and .cse0 .cse1 (< 218 ~a1~0) .cse2) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse1 (= ~a19~0 8) (= ~a10~0 1)) (and .cse0 .cse1 .cse7 .cse4))) [2021-12-15 09:34:37,713 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-12-15 09:34:37,713 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-12-15 09:34:37,713 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-12-15 09:34:37,713 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-12-15 09:34:37,713 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,713 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-15 09:34:37,714 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L861 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,715 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-12-15 09:34:37,716 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-12-15 09:34:37,717 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-12-15 09:34:37,718 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-12-15 09:34:37,719 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-12-15 09:34:37,719 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse5 (<= 8 ~a19~0)) (.cse2 (= 1 ~a10~0)) (.cse6 (= ~a10~0 0)) (.cse3 (<= 9 ~a19~0)) (.cse0 (= ~a4~0 14)) (.cse1 (= ~a12~0 0)) (.cse7 (<= ~a1~0 206)) (.cse4 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 (= ~a10~0 2) .cse5) (and .cse0 .cse6 .cse1 .cse7) (and .cse0 .cse1 (<= 4 ~a10~0) .cse4 .cse5) (and .cse0 .cse1 (< 218 ~a1~0) .cse2) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse1 (= ~a19~0 8) (= ~a10~0 1)) (and .cse0 .cse1 .cse7 .cse4))) [2021-12-15 09:34:37,719 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-12-15 09:34:37,719 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,719 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,719 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,719 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,719 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-12-15 09:34:37,719 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-15 09:34:37,720 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,721 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-15 09:34:37,722 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-15 09:34:37,723 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-15 09:34:37,725 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:37,726 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:34:37,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:34:37 BoogieIcfgContainer [2021-12-15 09:34:37,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:34:37,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:34:37,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:34:37,739 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:34:37,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:28" (3/4) ... [2021-12-15 09:34:37,742 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:34:37,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:34:37,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:34:37,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:34:37,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:34:37,842 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:34:37,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:34:37,843 INFO L158 Benchmark]: Toolchain (without parser) took 10401.16ms. Allocated memory was 102.8MB in the beginning and 226.5MB in the end (delta: 123.7MB). Free memory was 72.0MB in the beginning and 64.8MB in the end (delta: 7.2MB). Peak memory consumption was 131.5MB. Max. memory is 16.1GB. [2021-12-15 09:34:37,843 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 45.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 09:34:37,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.00ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.0MB in the beginning and 101.7MB in the end (delta: -29.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 09:34:37,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.52ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 94.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 09:34:37,844 INFO L158 Benchmark]: Boogie Preprocessor took 41.38ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 89.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 09:34:37,844 INFO L158 Benchmark]: RCFGBuilder took 817.07ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 102.3MB in the end (delta: -13.2MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2021-12-15 09:34:37,845 INFO L158 Benchmark]: TraceAbstraction took 9004.08ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 102.3MB in the beginning and 79.5MB in the end (delta: 22.8MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2021-12-15 09:34:37,845 INFO L158 Benchmark]: Witness Printer took 103.38ms. Allocated memory is still 226.5MB. Free memory was 79.5MB in the beginning and 64.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 09:34:37,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 45.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.00ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.0MB in the beginning and 101.7MB in the end (delta: -29.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.52ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 94.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.38ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 89.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 817.07ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 102.3MB in the end (delta: -13.2MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9004.08ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 102.3MB in the beginning and 79.5MB in the end (delta: 22.8MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. * Witness Printer took 103.38ms. Allocated memory is still 226.5MB. Free memory was 79.5MB in the beginning and 64.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 116]: 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: 8.9s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1396 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1396 mSDsluCounter, 1026 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 718 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5336 IncrementalHoareTripleChecker+Invalid, 6054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 718 mSolverCounterUnsat, 947 mSDtfsCounter, 5336 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 823 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2367occurred in iteration=10, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1946 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 49 NumberOfFragments, 249 HoareAnnotationTreeSize, 3 FomulaSimplifications, 228 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1610 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3020 NumberOfCodeBlocks, 3020 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3004 ConstructedInterpolants, 0 QuantifiedInterpolants, 10817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1235 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 2160/2348 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: ((((((((((a4 == 14 && a12 == 0) && 1 == a10) && 9 <= a19) || ((((a4 == 14 && a12 == 0) && a19 <= 9) && a10 == 2) && 8 <= a19)) || (((a4 == 14 && a10 == 0) && a12 == 0) && a1 <= 206)) || ((((a4 == 14 && a12 == 0) && 4 <= a10) && a19 <= 9) && 8 <= a19)) || (((a4 == 14 && a12 == 0) && 218 < a1) && 1 == a10)) || (((a4 == 14 && a12 == 0) && a10 == 0) && a19 <= 9)) || (((a4 == 14 && a12 == 0) && 9 <= a19) && a19 <= 9)) || (((a4 == 14 && a12 == 0) && a19 == 8) && a10 == 1)) || (((a4 == 14 && a12 == 0) && a1 <= 206) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((a4 == 14 && a12 == 0) && 1 == a10) && 9 <= a19) || ((((a4 == 14 && a12 == 0) && a19 <= 9) && a10 == 2) && 8 <= a19)) || (((a4 == 14 && a10 == 0) && a12 == 0) && a1 <= 206)) || ((((a4 == 14 && a12 == 0) && 4 <= a10) && a19 <= 9) && 8 <= a19)) || (((a4 == 14 && a12 == 0) && 218 < a1) && 1 == a10)) || (((a4 == 14 && a12 == 0) && a10 == 0) && a19 <= 9)) || (((a4 == 14 && a12 == 0) && 9 <= a19) && a19 <= 9)) || (((a4 == 14 && a12 == 0) && a19 == 8) && a10 == 1)) || (((a4 == 14 && a12 == 0) && a1 <= 206) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 09:34:37,878 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