./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/Problem15_label59.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 81c0c0e4094b707710d37a66a4d190b151498489 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 05:01:17,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 05:01:17,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 05:01:17,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 05:01:17,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 05:01:17,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 05:01:17,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 05:01:17,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 05:01:17,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 05:01:17,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 05:01:17,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 05:01:17,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 05:01:17,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 05:01:17,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 05:01:17,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 05:01:17,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 05:01:17,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 05:01:17,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 05:01:17,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 05:01:17,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 05:01:17,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 05:01:17,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 05:01:17,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 05:01:17,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 05:01:17,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 05:01:17,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 05:01:17,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 05:01:17,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 05:01:17,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 05:01:17,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 05:01:17,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 05:01:17,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 05:01:17,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 05:01:17,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 05:01:17,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 05:01:17,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 05:01:17,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 05:01:17,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 05:01:17,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 05:01:17,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 05:01:17,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 05:01:17,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 05:01:17,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 05:01:17,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 05:01:17,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 05:01:17,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 05:01:17,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 05:01:17,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 05:01:17,493 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 05:01:17,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 05:01:17,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 05:01:17,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 05:01:17,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 05:01:17,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 05:01:17,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 05:01:17,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 05:01:17,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 05:01:17,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 05:01:17,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 05:01:17,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 05:01:17,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 05:01:17,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 05:01:17,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 05:01:17,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 05:01:17,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 05:01:17,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 05:01:17,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 05:01:17,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 05:01:17,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 05:01:17,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 05:01:17,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 05:01:17,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 05:01:17,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81c0c0e4094b707710d37a66a4d190b151498489 [2021-08-29 05:01:17,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 05:01:17,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 05:01:17,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 05:01:17,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 05:01:17,829 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 05:01:17,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label59.c [2021-08-29 05:01:17,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e82ad2e/2797bc85072042ecbecfde70b1351f77/FLAG2866322d4 [2021-08-29 05:01:18,566 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 05:01:18,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label59.c [2021-08-29 05:01:18,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e82ad2e/2797bc85072042ecbecfde70b1351f77/FLAG2866322d4 [2021-08-29 05:01:18,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e82ad2e/2797bc85072042ecbecfde70b1351f77 [2021-08-29 05:01:18,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 05:01:18,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 05:01:18,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 05:01:18,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 05:01:18,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 05:01:18,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:01:18" (1/1) ... [2021-08-29 05:01:18,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6ea6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:18, skipping insertion in model container [2021-08-29 05:01:18,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:01:18" (1/1) ... [2021-08-29 05:01:18,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 05:01:18,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 05:01:19,170 WARN L228 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/Problem15_label59.c[6635,6648] [2021-08-29 05:01:19,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 05:01:19,603 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 05:01:19,626 WARN L228 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/Problem15_label59.c[6635,6648] [2021-08-29 05:01:19,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 05:01:19,811 INFO L208 MainTranslator]: Completed translation [2021-08-29 05:01:19,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19 WrapperNode [2021-08-29 05:01:19,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 05:01:19,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 05:01:19,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 05:01:19,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 05:01:19,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:19,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 05:01:20,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 05:01:20,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 05:01:20,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 05:01:20,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 05:01:20,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 05:01:20,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 05:01:20,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 05:01:20,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (1/1) ... [2021-08-29 05:01:20,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 05:01:20,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:01:20,363 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) [2021-08-29 05:01:20,382 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 [2021-08-29 05:01:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 05:01:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 05:01:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 05:01:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 05:01:21,277 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 05:01:21,278 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-29 05:01:21,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:21 BoogieIcfgContainer [2021-08-29 05:01:21,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 05:01:21,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 05:01:21,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 05:01:21,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 05:01:21,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:01:18" (1/3) ... [2021-08-29 05:01:21,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720baffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:01:21, skipping insertion in model container [2021-08-29 05:01:21,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:19" (2/3) ... [2021-08-29 05:01:21,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720baffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:01:21, skipping insertion in model container [2021-08-29 05:01:21,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:21" (3/3) ... [2021-08-29 05:01:21,288 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label59.c [2021-08-29 05:01:21,292 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 05:01:21,292 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 05:01:21,343 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 05:01:21,352 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 05:01:21,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 05:01:21,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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) [2021-08-29 05:01:21,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-29 05:01:21,389 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:21,390 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:21,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:21,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:21,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2021-08-29 05:01:21,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:21,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182959808] [2021-08-29 05:01:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:21,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:21,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:21,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:21,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182959808] [2021-08-29 05:01:21,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182959808] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:21,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:21,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:21,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045815840] [2021-08-29 05:01:21,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:21,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:21,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:21,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:21,759 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 18.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2021-08-29 05:01:24,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:24,191 INFO L93 Difference]: Finished difference Result 1197 states and 2163 transitions. [2021-08-29 05:01:24,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:24,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 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 54 [2021-08-29 05:01:24,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:24,210 INFO L225 Difference]: With dead ends: 1197 [2021-08-29 05:01:24,210 INFO L226 Difference]: Without dead ends: 694 [2021-08-29 05:01:24,214 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:24,217 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 364 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1917.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.55ms SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2342.80ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:24,218 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [364 Valid, 0 Invalid, 1508 Unknown, 0 Unchecked, 9.55ms Time], IncrementalHoareTripleChecker [304 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 2342.80ms Time] [2021-08-29 05:01:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-08-29 05:01:24,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 684. [2021-08-29 05:01:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 683 states have (on average 1.718887262079063) internal successors, (1174), 683 states have internal predecessors, (1174), 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) [2021-08-29 05:01:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1174 transitions. [2021-08-29 05:01:24,283 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1174 transitions. Word has length 54 [2021-08-29 05:01:24,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:24,284 INFO L470 AbstractCegarLoop]: Abstraction has 684 states and 1174 transitions. [2021-08-29 05:01:24,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2021-08-29 05:01:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1174 transitions. [2021-08-29 05:01:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-29 05:01:24,288 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:24,288 INFO L513 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, 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] [2021-08-29 05:01:24,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 05:01:24,288 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:24,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:24,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1246806213, now seen corresponding path program 1 times [2021-08-29 05:01:24,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:24,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588856693] [2021-08-29 05:01:24,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:24,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:24,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:24,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588856693] [2021-08-29 05:01:24,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588856693] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:24,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:24,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:24,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410279316] [2021-08-29 05:01:24,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:24,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:24,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:24,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:24,452 INFO L87 Difference]: Start difference. First operand 684 states and 1174 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:26,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:26,851 INFO L93 Difference]: Finished difference Result 1681 states and 2896 transitions. [2021-08-29 05:01:26,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:26,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-08-29 05:01:26,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:26,856 INFO L225 Difference]: With dead ends: 1681 [2021-08-29 05:01:26,857 INFO L226 Difference]: Without dead ends: 999 [2021-08-29 05:01:26,859 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:26,860 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 254 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2064.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.83ms SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2360.93ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:26,861 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 0 Invalid, 1353 Unknown, 0 Unchecked, 3.83ms Time], IncrementalHoareTripleChecker [105 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 2360.93ms Time] [2021-08-29 05:01:26,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-08-29 05:01:26,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 989. [2021-08-29 05:01:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 988 states have (on average 1.6194331983805668) internal successors, (1600), 988 states have internal predecessors, (1600), 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) [2021-08-29 05:01:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1600 transitions. [2021-08-29 05:01:26,894 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1600 transitions. Word has length 119 [2021-08-29 05:01:26,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:26,894 INFO L470 AbstractCegarLoop]: Abstraction has 989 states and 1600 transitions. [2021-08-29 05:01:26,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1600 transitions. [2021-08-29 05:01:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-08-29 05:01:26,900 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:26,903 INFO L513 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, 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] [2021-08-29 05:01:26,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 05:01:26,905 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:26,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:26,906 INFO L82 PathProgramCache]: Analyzing trace with hash -214871010, now seen corresponding path program 1 times [2021-08-29 05:01:26,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:26,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648255136] [2021-08-29 05:01:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:26,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:26,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:26,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648255136] [2021-08-29 05:01:26,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648255136] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:26,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:26,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:26,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541831198] [2021-08-29 05:01:26,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:26,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:26,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:26,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:26,981 INFO L87 Difference]: Start difference. First operand 989 states and 1600 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2021-08-29 05:01:28,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:28,825 INFO L93 Difference]: Finished difference Result 2575 states and 4255 transitions. [2021-08-29 05:01:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:28,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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 120 [2021-08-29 05:01:28,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:28,835 INFO L225 Difference]: With dead ends: 2575 [2021-08-29 05:01:28,835 INFO L226 Difference]: Without dead ends: 1588 [2021-08-29 05:01:28,837 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:28,844 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 284 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1507.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.98ms SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1791.98ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:28,846 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 0 Invalid, 1426 Unknown, 0 Unchecked, 3.98ms Time], IncrementalHoareTripleChecker [298 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 1791.98ms Time] [2021-08-29 05:01:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2021-08-29 05:01:28,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1584. [2021-08-29 05:01:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1583 states have (on average 1.3986102337334176) internal successors, (2214), 1583 states have internal predecessors, (2214), 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) [2021-08-29 05:01:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2214 transitions. [2021-08-29 05:01:28,886 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2214 transitions. Word has length 120 [2021-08-29 05:01:28,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:28,888 INFO L470 AbstractCegarLoop]: Abstraction has 1584 states and 2214 transitions. [2021-08-29 05:01:28,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2021-08-29 05:01:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2214 transitions. [2021-08-29 05:01:28,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-08-29 05:01:28,896 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:28,896 INFO L513 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, 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] [2021-08-29 05:01:28,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 05:01:28,897 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:28,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:28,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1115564308, now seen corresponding path program 1 times [2021-08-29 05:01:28,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:28,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276576126] [2021-08-29 05:01:28,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:28,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:29,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:29,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276576126] [2021-08-29 05:01:29,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276576126] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:29,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:29,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:29,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843202804] [2021-08-29 05:01:29,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:29,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:29,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:29,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:29,031 INFO L87 Difference]: Start difference. First operand 1584 states and 2214 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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) [2021-08-29 05:01:31,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:31,289 INFO L93 Difference]: Finished difference Result 4068 states and 5866 transitions. [2021-08-29 05:01:31,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:31,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 124 [2021-08-29 05:01:31,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:31,300 INFO L225 Difference]: With dead ends: 4068 [2021-08-29 05:01:31,300 INFO L226 Difference]: Without dead ends: 2785 [2021-08-29 05:01:31,302 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:31,308 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 245 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1882.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.23ms SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2197.02ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:31,314 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 0 Invalid, 1499 Unknown, 0 Unchecked, 4.23ms Time], IncrementalHoareTripleChecker [276 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 2197.02ms Time] [2021-08-29 05:01:31,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-08-29 05:01:31,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2483. [2021-08-29 05:01:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2482 states have (on average 1.2961321514907334) internal successors, (3217), 2482 states have internal predecessors, (3217), 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) [2021-08-29 05:01:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3217 transitions. [2021-08-29 05:01:31,357 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3217 transitions. Word has length 124 [2021-08-29 05:01:31,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:31,358 INFO L470 AbstractCegarLoop]: Abstraction has 2483 states and 3217 transitions. [2021-08-29 05:01:31,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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) [2021-08-29 05:01:31,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3217 transitions. [2021-08-29 05:01:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-08-29 05:01:31,360 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:31,361 INFO L513 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, 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] [2021-08-29 05:01:31,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 05:01:31,361 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:31,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:31,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1684612182, now seen corresponding path program 1 times [2021-08-29 05:01:31,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:31,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574710820] [2021-08-29 05:01:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:31,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:31,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:31,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574710820] [2021-08-29 05:01:31,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574710820] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:31,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:31,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:31,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870751923] [2021-08-29 05:01:31,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:31,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:31,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:31,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:31,504 INFO L87 Difference]: Start difference. First operand 2483 states and 3217 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-08-29 05:01:33,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:33,268 INFO L93 Difference]: Finished difference Result 7358 states and 9526 transitions. [2021-08-29 05:01:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:33,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 145 [2021-08-29 05:01:33,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:33,281 INFO L225 Difference]: With dead ends: 7358 [2021-08-29 05:01:33,281 INFO L226 Difference]: Without dead ends: 3681 [2021-08-29 05:01:33,286 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:33,287 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 290 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1446.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.18ms SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1711.07ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:33,287 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 0 Invalid, 1723 Unknown, 0 Unchecked, 2.18ms Time], IncrementalHoareTripleChecker [299 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 1711.07ms Time] [2021-08-29 05:01:33,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3681 states. [2021-08-29 05:01:33,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3681 to 3681. [2021-08-29 05:01:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3681 states, 3680 states have (on average 1.1695652173913043) internal successors, (4304), 3680 states have internal predecessors, (4304), 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) [2021-08-29 05:01:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 4304 transitions. [2021-08-29 05:01:33,353 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 4304 transitions. Word has length 145 [2021-08-29 05:01:33,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:33,353 INFO L470 AbstractCegarLoop]: Abstraction has 3681 states and 4304 transitions. [2021-08-29 05:01:33,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-08-29 05:01:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 4304 transitions. [2021-08-29 05:01:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-08-29 05:01:33,357 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:33,357 INFO L513 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:33,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 05:01:33,358 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:33,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:33,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1210416382, now seen corresponding path program 1 times [2021-08-29 05:01:33,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:33,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859468278] [2021-08-29 05:01:33,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:33,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:33,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:33,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859468278] [2021-08-29 05:01:33,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859468278] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:33,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:33,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:33,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691530563] [2021-08-29 05:01:33,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:01:33,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:33,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:01:33,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:01:33,560 INFO L87 Difference]: Start difference. First operand 3681 states and 4304 transitions. Second operand has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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) [2021-08-29 05:01:35,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:35,742 INFO L93 Difference]: Finished difference Result 11273 states and 13177 transitions. [2021-08-29 05:01:35,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:01:35,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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 287 [2021-08-29 05:01:35,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:35,763 INFO L225 Difference]: With dead ends: 11273 [2021-08-29 05:01:35,763 INFO L226 Difference]: Without dead ends: 7295 [2021-08-29 05:01:35,769 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.25ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:01:35,770 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 455 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1881 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1815.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.57ms SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 1881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2109.25ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:35,770 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [455 Valid, 0 Invalid, 2171 Unknown, 0 Unchecked, 3.57ms Time], IncrementalHoareTripleChecker [290 Valid, 1881 Invalid, 0 Unknown, 0 Unchecked, 2109.25ms Time] [2021-08-29 05:01:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7295 states. [2021-08-29 05:01:35,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7295 to 6081. [2021-08-29 05:01:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 1.1837171052631579) internal successors, (7197), 6080 states have internal predecessors, (7197), 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) [2021-08-29 05:01:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7197 transitions. [2021-08-29 05:01:35,883 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7197 transitions. Word has length 287 [2021-08-29 05:01:35,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:35,883 INFO L470 AbstractCegarLoop]: Abstraction has 6081 states and 7197 transitions. [2021-08-29 05:01:35,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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) [2021-08-29 05:01:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7197 transitions. [2021-08-29 05:01:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-08-29 05:01:35,888 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:35,888 INFO L513 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:35,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 05:01:35,889 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:35,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:35,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1076396748, now seen corresponding path program 1 times [2021-08-29 05:01:35,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:35,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86728924] [2021-08-29 05:01:35,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:35,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:36,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:36,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86728924] [2021-08-29 05:01:36,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86728924] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:36,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:36,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:36,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268297744] [2021-08-29 05:01:36,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:36,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:36,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:36,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:36,029 INFO L87 Difference]: Start difference. First operand 6081 states and 7197 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2021-08-29 05:01:37,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:37,834 INFO L93 Difference]: Finished difference Result 15157 states and 18286 transitions. [2021-08-29 05:01:37,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:37,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 324 [2021-08-29 05:01:37,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:37,870 INFO L225 Difference]: With dead ends: 15157 [2021-08-29 05:01:37,871 INFO L226 Difference]: Without dead ends: 9078 [2021-08-29 05:01:37,877 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:37,878 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 273 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1484.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.30ms SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1734.53ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:37,878 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 0 Invalid, 1589 Unknown, 0 Unchecked, 2.30ms Time], IncrementalHoareTripleChecker [182 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 1734.53ms Time] [2021-08-29 05:01:37,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9078 states. [2021-08-29 05:01:37,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9078 to 9073. [2021-08-29 05:01:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9073 states, 9072 states have (on average 1.1460537918871252) internal successors, (10397), 9072 states have internal predecessors, (10397), 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) [2021-08-29 05:01:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 10397 transitions. [2021-08-29 05:01:38,020 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 10397 transitions. Word has length 324 [2021-08-29 05:01:38,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:38,023 INFO L470 AbstractCegarLoop]: Abstraction has 9073 states and 10397 transitions. [2021-08-29 05:01:38,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2021-08-29 05:01:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 10397 transitions. [2021-08-29 05:01:38,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-08-29 05:01:38,028 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:38,029 INFO L513 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:38,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 05:01:38,029 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:38,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:38,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1202719056, now seen corresponding path program 1 times [2021-08-29 05:01:38,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:38,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534419337] [2021-08-29 05:01:38,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:38,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-08-29 05:01:38,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:38,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534419337] [2021-08-29 05:01:38,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534419337] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:38,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:38,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:38,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070565984] [2021-08-29 05:01:38,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:38,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:38,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:38,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:38,175 INFO L87 Difference]: Start difference. First operand 9073 states and 10397 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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) [2021-08-29 05:01:40,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:40,027 INFO L93 Difference]: Finished difference Result 18443 states and 21095 transitions. [2021-08-29 05:01:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:40,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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 337 [2021-08-29 05:01:40,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:40,046 INFO L225 Difference]: With dead ends: 18443 [2021-08-29 05:01:40,046 INFO L226 Difference]: Without dead ends: 9372 [2021-08-29 05:01:40,055 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.22ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:40,055 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1567.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.48ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1775.24ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:40,056 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 0 Invalid, 1126 Unknown, 0 Unchecked, 1.48ms Time], IncrementalHoareTripleChecker [1 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 1775.24ms Time] [2021-08-29 05:01:40,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9372 states. [2021-08-29 05:01:40,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9372 to 9372. [2021-08-29 05:01:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9372 states, 9371 states have (on average 1.1416070856898943) internal successors, (10698), 9371 states have internal predecessors, (10698), 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) [2021-08-29 05:01:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 10698 transitions. [2021-08-29 05:01:40,210 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 10698 transitions. Word has length 337 [2021-08-29 05:01:40,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:40,211 INFO L470 AbstractCegarLoop]: Abstraction has 9372 states and 10698 transitions. [2021-08-29 05:01:40,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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) [2021-08-29 05:01:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 10698 transitions. [2021-08-29 05:01:40,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-08-29 05:01:40,218 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:40,218 INFO L513 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:40,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 05:01:40,219 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:40,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:40,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1165623333, now seen corresponding path program 1 times [2021-08-29 05:01:40,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:40,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418846454] [2021-08-29 05:01:40,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:40,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:40,365 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-08-29 05:01:40,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:40,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418846454] [2021-08-29 05:01:40,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418846454] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:40,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:40,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:40,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142919629] [2021-08-29 05:01:40,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:40,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:40,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:40,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:40,369 INFO L87 Difference]: Start difference. First operand 9372 states and 10698 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2021-08-29 05:01:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:41,808 INFO L93 Difference]: Finished difference Result 21137 states and 24503 transitions. [2021-08-29 05:01:41,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:41,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 431 [2021-08-29 05:01:41,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:41,828 INFO L225 Difference]: With dead ends: 21137 [2021-08-29 05:01:41,828 INFO L226 Difference]: Without dead ends: 12066 [2021-08-29 05:01:41,838 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:41,839 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 271 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1105.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.63ms SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1359.91ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:41,839 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 0 Invalid, 1575 Unknown, 0 Unchecked, 1.63ms Time], IncrementalHoareTripleChecker [188 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 1359.91ms Time] [2021-08-29 05:01:41,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12066 states. [2021-08-29 05:01:42,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12066 to 10265. [2021-08-29 05:01:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10265 states, 10264 states have (on average 1.1389321901792673) internal successors, (11690), 10264 states have internal predecessors, (11690), 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) [2021-08-29 05:01:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10265 states to 10265 states and 11690 transitions. [2021-08-29 05:01:42,024 INFO L78 Accepts]: Start accepts. Automaton has 10265 states and 11690 transitions. Word has length 431 [2021-08-29 05:01:42,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:42,025 INFO L470 AbstractCegarLoop]: Abstraction has 10265 states and 11690 transitions. [2021-08-29 05:01:42,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2021-08-29 05:01:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 10265 states and 11690 transitions. [2021-08-29 05:01:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-08-29 05:01:42,032 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:42,033 INFO L513 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:42,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 05:01:42,033 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:42,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:42,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1389467139, now seen corresponding path program 1 times [2021-08-29 05:01:42,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:42,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120926725] [2021-08-29 05:01:42,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:42,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-08-29 05:01:42,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:42,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120926725] [2021-08-29 05:01:42,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120926725] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:42,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:42,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:42,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581677247] [2021-08-29 05:01:42,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:01:42,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:42,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:01:42,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:01:42,229 INFO L87 Difference]: Start difference. First operand 10265 states and 11690 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 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) [2021-08-29 05:01:44,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:44,503 INFO L93 Difference]: Finished difference Result 24435 states and 27925 transitions. [2021-08-29 05:01:44,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:01:44,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 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 467 [2021-08-29 05:01:44,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:44,527 INFO L225 Difference]: With dead ends: 24435 [2021-08-29 05:01:44,527 INFO L226 Difference]: Without dead ends: 14172 [2021-08-29 05:01:44,537 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.96ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:01:44,538 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 434 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1829.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.57ms SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2176.52ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:44,538 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 0 Invalid, 2261 Unknown, 0 Unchecked, 4.57ms Time], IncrementalHoareTripleChecker [488 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 2176.52ms Time] [2021-08-29 05:01:44,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14172 states. [2021-08-29 05:01:44,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14172 to 10267. [2021-08-29 05:01:44,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10267 states, 10266 states have (on average 1.1373465809468146) internal successors, (11676), 10266 states have internal predecessors, (11676), 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) [2021-08-29 05:01:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10267 states to 10267 states and 11676 transitions. [2021-08-29 05:01:44,686 INFO L78 Accepts]: Start accepts. Automaton has 10267 states and 11676 transitions. Word has length 467 [2021-08-29 05:01:44,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:44,687 INFO L470 AbstractCegarLoop]: Abstraction has 10267 states and 11676 transitions. [2021-08-29 05:01:44,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 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) [2021-08-29 05:01:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 10267 states and 11676 transitions. [2021-08-29 05:01:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-08-29 05:01:44,691 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:44,692 INFO L513 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, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:44,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 05:01:44,692 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:44,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:44,693 INFO L82 PathProgramCache]: Analyzing trace with hash 987014533, now seen corresponding path program 1 times [2021-08-29 05:01:44,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:44,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346262323] [2021-08-29 05:01:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:44,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 104 proven. 253 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-08-29 05:01:44,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:44,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346262323] [2021-08-29 05:01:44,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346262323] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:01:44,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725756470] [2021-08-29 05:01:44,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:44,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:01:44,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:01:44,961 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) [2021-08-29 05:01:45,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 05:01:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:45,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 05:01:45,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:01:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-08-29 05:01:46,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:01:46,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725756470] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:46,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:01:46,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-29 05:01:46,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606351487] [2021-08-29 05:01:46,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:46,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:46,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:46,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:01:46,147 INFO L87 Difference]: Start difference. First operand 10267 states and 11676 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-08-29 05:01:47,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:47,459 INFO L93 Difference]: Finished difference Result 21424 states and 24285 transitions. [2021-08-29 05:01:47,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:47,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 528 [2021-08-29 05:01:47,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:47,476 INFO L225 Difference]: With dead ends: 21424 [2021-08-29 05:01:47,476 INFO L226 Difference]: Without dead ends: 9664 [2021-08-29 05:01:47,488 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.67ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:01:47,489 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 345 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1011.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.75ms SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1231.30ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:47,489 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 0 Invalid, 1486 Unknown, 0 Unchecked, 2.75ms Time], IncrementalHoareTripleChecker [267 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 1231.30ms Time] [2021-08-29 05:01:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9664 states. [2021-08-29 05:01:47,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9664 to 9365. [2021-08-29 05:01:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9365 states, 9364 states have (on average 1.0972874839812046) internal successors, (10275), 9364 states have internal predecessors, (10275), 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) [2021-08-29 05:01:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 10275 transitions. [2021-08-29 05:01:47,588 INFO L78 Accepts]: Start accepts. Automaton has 9365 states and 10275 transitions. Word has length 528 [2021-08-29 05:01:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:47,589 INFO L470 AbstractCegarLoop]: Abstraction has 9365 states and 10275 transitions. [2021-08-29 05:01:47,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-08-29 05:01:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 9365 states and 10275 transitions. [2021-08-29 05:01:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-08-29 05:01:47,595 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:47,595 INFO L513 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:47,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 05:01:47,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-29 05:01:47,819 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:47,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:47,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1919776586, now seen corresponding path program 1 times [2021-08-29 05:01:47,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:47,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684730142] [2021-08-29 05:01:47,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:47,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 104 proven. 306 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-08-29 05:01:48,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:48,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684730142] [2021-08-29 05:01:48,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684730142] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:01:48,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506991478] [2021-08-29 05:01:48,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:48,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:01:48,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:01:48,113 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) [2021-08-29 05:01:48,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-29 05:01:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:48,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 05:01:48,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:01:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-08-29 05:01:49,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:01:49,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506991478] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:49,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:01:49,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-29 05:01:49,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609757640] [2021-08-29 05:01:49,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:49,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:49,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:49,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:01:49,090 INFO L87 Difference]: Start difference. First operand 9365 states and 10275 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-08-29 05:01:50,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:50,112 INFO L93 Difference]: Finished difference Result 18425 states and 20240 transitions. [2021-08-29 05:01:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:50,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 581 [2021-08-29 05:01:50,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:50,125 INFO L225 Difference]: With dead ends: 18425 [2021-08-29 05:01:50,125 INFO L226 Difference]: Without dead ends: 9361 [2021-08-29 05:01:50,133 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.26ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:01:50,134 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 290 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 783.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.31ms SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 960.53ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:50,134 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 0 Invalid, 1381 Unknown, 0 Unchecked, 2.31ms Time], IncrementalHoareTripleChecker [114 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 960.53ms Time] [2021-08-29 05:01:50,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9361 states. [2021-08-29 05:01:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9361 to 9062. [2021-08-29 05:01:50,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9062 states, 9061 states have (on average 1.064672773424567) internal successors, (9647), 9061 states have internal predecessors, (9647), 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) [2021-08-29 05:01:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9062 states to 9062 states and 9647 transitions. [2021-08-29 05:01:50,285 INFO L78 Accepts]: Start accepts. Automaton has 9062 states and 9647 transitions. Word has length 581 [2021-08-29 05:01:50,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:50,286 INFO L470 AbstractCegarLoop]: Abstraction has 9062 states and 9647 transitions. [2021-08-29 05:01:50,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-08-29 05:01:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 9062 states and 9647 transitions. [2021-08-29 05:01:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2021-08-29 05:01:50,298 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:50,300 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:50,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-29 05:01:50,524 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,SelfDestructingSolverStorable11 [2021-08-29 05:01:50,524 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:50,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:50,525 INFO L82 PathProgramCache]: Analyzing trace with hash 434787481, now seen corresponding path program 1 times [2021-08-29 05:01:50,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:50,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426853485] [2021-08-29 05:01:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:50,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-08-29 05:01:50,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:50,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426853485] [2021-08-29 05:01:50,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426853485] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:50,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:50,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:50,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482619164] [2021-08-29 05:01:50,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:50,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:50,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:50,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:50,749 INFO L87 Difference]: Start difference. First operand 9062 states and 9647 transitions. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2021-08-29 05:01:52,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:52,042 INFO L93 Difference]: Finished difference Result 20835 states and 22190 transitions. [2021-08-29 05:01:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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 670 [2021-08-29 05:01:52,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:52,060 INFO L225 Difference]: With dead ends: 20835 [2021-08-29 05:01:52,060 INFO L226 Difference]: Without dead ends: 12973 [2021-08-29 05:01:52,068 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:52,071 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 238 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1023.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.41ms SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1220.21ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:52,071 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 0 Invalid, 1528 Unknown, 0 Unchecked, 2.41ms Time], IncrementalHoareTripleChecker [105 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1220.21ms Time] [2021-08-29 05:01:52,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2021-08-29 05:01:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12663. [2021-08-29 05:01:52,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12663 states, 12662 states have (on average 1.0555204549044386) internal successors, (13365), 12662 states have internal predecessors, (13365), 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) [2021-08-29 05:01:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12663 states to 12663 states and 13365 transitions. [2021-08-29 05:01:52,220 INFO L78 Accepts]: Start accepts. Automaton has 12663 states and 13365 transitions. Word has length 670 [2021-08-29 05:01:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:52,221 INFO L470 AbstractCegarLoop]: Abstraction has 12663 states and 13365 transitions. [2021-08-29 05:01:52,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2021-08-29 05:01:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12663 states and 13365 transitions. [2021-08-29 05:01:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2021-08-29 05:01:52,231 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:52,232 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:52,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 05:01:52,232 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:52,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:52,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1108444928, now seen corresponding path program 1 times [2021-08-29 05:01:52,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:52,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374085305] [2021-08-29 05:01:52,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:52,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 521 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-08-29 05:01:52,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:52,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374085305] [2021-08-29 05:01:52,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374085305] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:52,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:52,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:52,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921658726] [2021-08-29 05:01:52,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:52,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:52,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:52,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:52,469 INFO L87 Difference]: Start difference. First operand 12663 states and 13365 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 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) [2021-08-29 05:01:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:53,619 INFO L93 Difference]: Finished difference Result 26820 states and 28377 transitions. [2021-08-29 05:01:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:53,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 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 686 [2021-08-29 05:01:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:53,637 INFO L225 Difference]: With dead ends: 26820 [2021-08-29 05:01:53,637 INFO L226 Difference]: Without dead ends: 14458 [2021-08-29 05:01:53,646 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.50ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:53,647 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 205 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 844.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.68ms SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1065.68ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:53,647 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 0 Invalid, 1386 Unknown, 0 Unchecked, 1.68ms Time], IncrementalHoareTripleChecker [58 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 1065.68ms Time] [2021-08-29 05:01:53,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14458 states. [2021-08-29 05:01:53,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14458 to 14157. [2021-08-29 05:01:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.0509324667985307) internal successors, (14877), 14156 states have internal predecessors, (14877), 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) [2021-08-29 05:01:53,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 14877 transitions. [2021-08-29 05:01:53,795 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 14877 transitions. Word has length 686 [2021-08-29 05:01:53,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:53,795 INFO L470 AbstractCegarLoop]: Abstraction has 14157 states and 14877 transitions. [2021-08-29 05:01:53,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 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) [2021-08-29 05:01:53,796 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 14877 transitions. [2021-08-29 05:01:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2021-08-29 05:01:53,807 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:53,808 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:53,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-29 05:01:53,808 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:53,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:53,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1969280993, now seen corresponding path program 1 times [2021-08-29 05:01:53,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:53,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666870653] [2021-08-29 05:01:53,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:53,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-08-29 05:01:54,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:54,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666870653] [2021-08-29 05:01:54,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666870653] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:54,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:54,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 05:01:54,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192298182] [2021-08-29 05:01:54,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:01:54,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:54,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:01:54,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:01:54,095 INFO L87 Difference]: Start difference. First operand 14157 states and 14877 transitions. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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) [2021-08-29 05:01:55,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:55,609 INFO L93 Difference]: Finished difference Result 32218 states and 33784 transitions. [2021-08-29 05:01:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:01:55,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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 706 [2021-08-29 05:01:55,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:55,631 INFO L225 Difference]: With dead ends: 32218 [2021-08-29 05:01:55,632 INFO L226 Difference]: Without dead ends: 18962 [2021-08-29 05:01:55,643 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.30ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:01:55,644 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 532 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1688 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1146.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.74ms SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1401.07ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:55,644 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 0 Invalid, 1923 Unknown, 0 Unchecked, 2.74ms Time], IncrementalHoareTripleChecker [235 Valid, 1688 Invalid, 0 Unknown, 0 Unchecked, 1401.07ms Time] [2021-08-29 05:01:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18962 states. [2021-08-29 05:01:55,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18962 to 14157. [2021-08-29 05:01:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.0509324667985307) internal successors, (14877), 14156 states have internal predecessors, (14877), 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) [2021-08-29 05:01:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 14877 transitions. [2021-08-29 05:01:55,824 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 14877 transitions. Word has length 706 [2021-08-29 05:01:55,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:55,824 INFO L470 AbstractCegarLoop]: Abstraction has 14157 states and 14877 transitions. [2021-08-29 05:01:55,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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) [2021-08-29 05:01:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 14877 transitions. [2021-08-29 05:01:55,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2021-08-29 05:01:55,836 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:55,837 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:55,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 05:01:55,837 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:55,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:55,838 INFO L82 PathProgramCache]: Analyzing trace with hash -2023005704, now seen corresponding path program 1 times [2021-08-29 05:01:55,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:55,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003911252] [2021-08-29 05:01:55,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:55,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 805 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-08-29 05:01:56,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:56,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003911252] [2021-08-29 05:01:56,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003911252] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:56,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:56,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:56,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027758521] [2021-08-29 05:01:56,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:56,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:56,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:56,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:56,070 INFO L87 Difference]: Start difference. First operand 14157 states and 14877 transitions. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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) [2021-08-29 05:01:57,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:57,165 INFO L93 Difference]: Finished difference Result 32197 states and 33927 transitions. [2021-08-29 05:01:57,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:57,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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 726 [2021-08-29 05:01:57,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:57,187 INFO L225 Difference]: With dead ends: 32197 [2021-08-29 05:01:57,187 INFO L226 Difference]: Without dead ends: 18341 [2021-08-29 05:01:57,198 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:57,199 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 200 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 823.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.77ms SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 988.85ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:57,199 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 0 Invalid, 1104 Unknown, 0 Unchecked, 1.77ms Time], IncrementalHoareTripleChecker [106 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 988.85ms Time] [2021-08-29 05:01:57,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18341 states. [2021-08-29 05:01:57,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18341 to 17145. [2021-08-29 05:01:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17145 states, 17144 states have (on average 1.0505132991133925) internal successors, (18010), 17144 states have internal predecessors, (18010), 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) [2021-08-29 05:01:57,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17145 states to 17145 states and 18010 transitions. [2021-08-29 05:01:57,379 INFO L78 Accepts]: Start accepts. Automaton has 17145 states and 18010 transitions. Word has length 726 [2021-08-29 05:01:57,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:57,379 INFO L470 AbstractCegarLoop]: Abstraction has 17145 states and 18010 transitions. [2021-08-29 05:01:57,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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) [2021-08-29 05:01:57,380 INFO L276 IsEmpty]: Start isEmpty. Operand 17145 states and 18010 transitions. [2021-08-29 05:01:57,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2021-08-29 05:01:57,392 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:57,393 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:57,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 05:01:57,394 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:57,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:57,394 INFO L82 PathProgramCache]: Analyzing trace with hash -957069396, now seen corresponding path program 1 times [2021-08-29 05:01:57,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:57,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936502401] [2021-08-29 05:01:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:57,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-08-29 05:01:57,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:57,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936502401] [2021-08-29 05:01:57,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936502401] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:57,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:57,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:57,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935115687] [2021-08-29 05:01:57,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:57,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:57,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:57,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:57,669 INFO L87 Difference]: Start difference. First operand 17145 states and 18010 transitions. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2021-08-29 05:01:58,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:58,542 INFO L93 Difference]: Finished difference Result 33987 states and 35686 transitions. [2021-08-29 05:01:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:58,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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 758 [2021-08-29 05:01:58,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:58,556 INFO L225 Difference]: With dead ends: 33987 [2021-08-29 05:01:58,556 INFO L226 Difference]: Without dead ends: 17143 [2021-08-29 05:01:58,566 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:58,567 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 461 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 640.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.30ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 772.47ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:58,567 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [461 Valid, 0 Invalid, 870 Unknown, 0 Unchecked, 1.30ms Time], IncrementalHoareTripleChecker [56 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 772.47ms Time] [2021-08-29 05:01:58,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17143 states. [2021-08-29 05:01:58,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17143 to 16844. [2021-08-29 05:01:58,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16844 states, 16843 states have (on average 1.0492192602268005) internal successors, (17672), 16843 states have internal predecessors, (17672), 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) [2021-08-29 05:01:58,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16844 states to 16844 states and 17672 transitions. [2021-08-29 05:01:58,703 INFO L78 Accepts]: Start accepts. Automaton has 16844 states and 17672 transitions. Word has length 758 [2021-08-29 05:01:58,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:58,703 INFO L470 AbstractCegarLoop]: Abstraction has 16844 states and 17672 transitions. [2021-08-29 05:01:58,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2021-08-29 05:01:58,703 INFO L276 IsEmpty]: Start isEmpty. Operand 16844 states and 17672 transitions. [2021-08-29 05:01:58,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 850 [2021-08-29 05:01:58,715 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:58,715 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:58,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-29 05:01:58,716 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:58,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:58,717 INFO L82 PathProgramCache]: Analyzing trace with hash -880788312, now seen corresponding path program 1 times [2021-08-29 05:01:58,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:58,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145021157] [2021-08-29 05:01:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:58,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 753 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-08-29 05:01:58,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:58,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145021157] [2021-08-29 05:01:58,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145021157] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:58,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:58,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:58,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486232124] [2021-08-29 05:01:58,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:58,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:58,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:58,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:58,938 INFO L87 Difference]: Start difference. First operand 16844 states and 17672 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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) [2021-08-29 05:02:00,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:00,077 INFO L93 Difference]: Finished difference Result 35468 states and 37203 transitions. [2021-08-29 05:02:00,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:00,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 849 [2021-08-29 05:02:00,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:00,099 INFO L225 Difference]: With dead ends: 35468 [2021-08-29 05:02:00,099 INFO L226 Difference]: Without dead ends: 18925 [2021-08-29 05:02:00,111 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:00,112 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 337 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 869.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.63ms SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1045.68ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:00,113 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 0 Invalid, 1348 Unknown, 0 Unchecked, 1.63ms Time], IncrementalHoareTripleChecker [132 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1045.68ms Time] [2021-08-29 05:02:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18925 states. [2021-08-29 05:02:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18925 to 16831. [2021-08-29 05:02:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16831 states, 16830 states have (on average 1.047415329768271) internal successors, (17628), 16830 states have internal predecessors, (17628), 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) [2021-08-29 05:02:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16831 states to 16831 states and 17628 transitions. [2021-08-29 05:02:00,303 INFO L78 Accepts]: Start accepts. Automaton has 16831 states and 17628 transitions. Word has length 849 [2021-08-29 05:02:00,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:00,303 INFO L470 AbstractCegarLoop]: Abstraction has 16831 states and 17628 transitions. [2021-08-29 05:02:00,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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) [2021-08-29 05:02:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 16831 states and 17628 transitions. [2021-08-29 05:02:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2021-08-29 05:02:00,314 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:00,314 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:00,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-29 05:02:00,315 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:00,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:00,315 INFO L82 PathProgramCache]: Analyzing trace with hash 378350950, now seen corresponding path program 1 times [2021-08-29 05:02:00,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:00,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043976998] [2021-08-29 05:02:00,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:00,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 842 proven. 188 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-08-29 05:02:00,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:00,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043976998] [2021-08-29 05:02:00,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043976998] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:00,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262444576] [2021-08-29 05:02:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:00,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:00,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:00,605 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) [2021-08-29 05:02:00,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-29 05:02:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:00,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-29 05:02:00,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 1239 proven. 2 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-08-29 05:02:03,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 05:02:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 1090 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2021-08-29 05:02:05,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262444576] provided 1 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:05,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-08-29 05:02:05,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 5] total 9 [2021-08-29 05:02:05,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978399634] [2021-08-29 05:02:05,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:05,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:05,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:05,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-29 05:02:05,237 INFO L87 Difference]: Start difference. First operand 16831 states and 17628 transitions. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 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) [2021-08-29 05:02:06,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:06,809 INFO L93 Difference]: Finished difference Result 34694 states and 36334 transitions. [2021-08-29 05:02:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 05:02:06,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 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 884 [2021-08-29 05:02:06,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:06,830 INFO L225 Difference]: With dead ends: 34694 [2021-08-29 05:02:06,830 INFO L226 Difference]: Without dead ends: 18164 [2021-08-29 05:02:06,841 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1772 GetRequests, 1764 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 48.54ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-29 05:02:06,842 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 414 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1158.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.69ms SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1413.04ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:06,842 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 0 Invalid, 1924 Unknown, 0 Unchecked, 5.69ms Time], IncrementalHoareTripleChecker [164 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 1413.04ms Time] [2021-08-29 05:02:06,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18164 states. [2021-08-29 05:02:06,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18164 to 17728. [2021-08-29 05:02:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17728 states, 17727 states have (on average 1.0467084108986293) internal successors, (18555), 17727 states have internal predecessors, (18555), 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) [2021-08-29 05:02:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17728 states to 17728 states and 18555 transitions. [2021-08-29 05:02:06,983 INFO L78 Accepts]: Start accepts. Automaton has 17728 states and 18555 transitions. Word has length 884 [2021-08-29 05:02:06,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:06,983 INFO L470 AbstractCegarLoop]: Abstraction has 17728 states and 18555 transitions. [2021-08-29 05:02:06,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 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) [2021-08-29 05:02:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 17728 states and 18555 transitions. [2021-08-29 05:02:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2021-08-29 05:02:06,993 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:06,994 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:07,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:07,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:07,197 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:07,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:07,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1275771118, now seen corresponding path program 1 times [2021-08-29 05:02:07,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:07,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742627240] [2021-08-29 05:02:07,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:07,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 850 proven. 188 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2021-08-29 05:02:07,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:07,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742627240] [2021-08-29 05:02:07,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742627240] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:07,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106319676] [2021-08-29 05:02:07,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:07,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:07,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:07,553 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) [2021-08-29 05:02:07,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-29 05:02:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:07,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:07,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 767 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-08-29 05:02:09,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:02:09,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106319676] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:09,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:02:09,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-08-29 05:02:09,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081567397] [2021-08-29 05:02:09,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:09,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:09,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:09,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:09,308 INFO L87 Difference]: Start difference. First operand 17728 states and 18555 transitions. Second operand has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 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) [2021-08-29 05:02:11,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:11,119 INFO L93 Difference]: Finished difference Result 41754 states and 43587 transitions. [2021-08-29 05:02:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:02:11,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 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 890 [2021-08-29 05:02:11,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:11,139 INFO L225 Difference]: With dead ends: 41754 [2021-08-29 05:02:11,139 INFO L226 Difference]: Without dead ends: 23729 [2021-08-29 05:02:11,150 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 893 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.06ms TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:11,151 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 521 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1670 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1375.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.38ms SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 1670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1658.05ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:11,151 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [521 Valid, 0 Invalid, 1935 Unknown, 0 Unchecked, 3.38ms Time], IncrementalHoareTripleChecker [265 Valid, 1670 Invalid, 0 Unknown, 0 Unchecked, 1658.05ms Time] [2021-08-29 05:02:11,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23729 states. [2021-08-29 05:02:11,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23729 to 20725. [2021-08-29 05:02:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20725 states, 20724 states have (on average 1.0431383902721483) internal successors, (21618), 20724 states have internal predecessors, (21618), 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) [2021-08-29 05:02:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20725 states to 20725 states and 21618 transitions. [2021-08-29 05:02:11,388 INFO L78 Accepts]: Start accepts. Automaton has 20725 states and 21618 transitions. Word has length 890 [2021-08-29 05:02:11,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:11,388 INFO L470 AbstractCegarLoop]: Abstraction has 20725 states and 21618 transitions. [2021-08-29 05:02:11,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 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) [2021-08-29 05:02:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 20725 states and 21618 transitions. [2021-08-29 05:02:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2021-08-29 05:02:11,400 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:11,400 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:11,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-29 05:02:11,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:11,602 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:11,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:11,603 INFO L82 PathProgramCache]: Analyzing trace with hash -651586055, now seen corresponding path program 1 times [2021-08-29 05:02:11,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:11,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787508524] [2021-08-29 05:02:11,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:11,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 912 proven. 188 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-08-29 05:02:11,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:11,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787508524] [2021-08-29 05:02:11,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787508524] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:11,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596975507] [2021-08-29 05:02:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:11,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:11,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:11,941 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:11,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-29 05:02:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:12,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:12,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 782 proven. 0 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2021-08-29 05:02:13,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:02:13,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596975507] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:13,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:02:13,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-08-29 05:02:13,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035176204] [2021-08-29 05:02:13,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:13,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:13,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:13,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:13,968 INFO L87 Difference]: Start difference. First operand 20725 states and 21618 transitions. Second operand has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 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) [2021-08-29 05:02:15,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:15,473 INFO L93 Difference]: Finished difference Result 45953 states and 47864 transitions. [2021-08-29 05:02:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:02:15,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 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 919 [2021-08-29 05:02:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:15,497 INFO L225 Difference]: With dead ends: 45953 [2021-08-29 05:02:15,498 INFO L226 Difference]: Without dead ends: 24931 [2021-08-29 05:02:15,511 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 917 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.97ms TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:15,511 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 520 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1127.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.20ms SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1376.13ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:15,512 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [520 Valid, 0 Invalid, 1917 Unknown, 0 Unchecked, 2.20ms Time], IncrementalHoareTripleChecker [222 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 1376.13ms Time] [2021-08-29 05:02:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24931 states. [2021-08-29 05:02:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24931 to 20127. [2021-08-29 05:02:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20127 states, 20126 states have (on average 1.043823909370963) internal successors, (21008), 20126 states have internal predecessors, (21008), 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) [2021-08-29 05:02:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20127 states to 20127 states and 21008 transitions. [2021-08-29 05:02:15,695 INFO L78 Accepts]: Start accepts. Automaton has 20127 states and 21008 transitions. Word has length 919 [2021-08-29 05:02:15,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:15,696 INFO L470 AbstractCegarLoop]: Abstraction has 20127 states and 21008 transitions. [2021-08-29 05:02:15,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 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) [2021-08-29 05:02:15,696 INFO L276 IsEmpty]: Start isEmpty. Operand 20127 states and 21008 transitions. [2021-08-29 05:02:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2021-08-29 05:02:15,708 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:15,708 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:15,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:15,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:15,909 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:15,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:15,910 INFO L82 PathProgramCache]: Analyzing trace with hash -160764750, now seen corresponding path program 1 times [2021-08-29 05:02:15,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:15,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014874835] [2021-08-29 05:02:15,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:15,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1631 backedges. 959 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2021-08-29 05:02:16,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:16,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014874835] [2021-08-29 05:02:16,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014874835] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:16,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:16,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:16,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390023707] [2021-08-29 05:02:16,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:16,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:16,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:16,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:16,158 INFO L87 Difference]: Start difference. First operand 20127 states and 21008 transitions. Second operand has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 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) [2021-08-29 05:02:17,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:17,324 INFO L93 Difference]: Finished difference Result 40550 states and 42325 transitions. [2021-08-29 05:02:17,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:17,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 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 981 [2021-08-29 05:02:17,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:17,344 INFO L225 Difference]: With dead ends: 40550 [2021-08-29 05:02:17,344 INFO L226 Difference]: Without dead ends: 20724 [2021-08-29 05:02:17,355 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:17,356 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 312 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 884.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.33ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1059.95ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:17,356 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 0 Invalid, 1320 Unknown, 0 Unchecked, 1.33ms Time], IncrementalHoareTripleChecker [19 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1059.95ms Time] [2021-08-29 05:02:17,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20724 states. [2021-08-29 05:02:17,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20724 to 20126. [2021-08-29 05:02:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20126 states, 20125 states have (on average 1.0437763975155279) internal successors, (21006), 20125 states have internal predecessors, (21006), 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) [2021-08-29 05:02:17,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20126 states to 20126 states and 21006 transitions. [2021-08-29 05:02:17,521 INFO L78 Accepts]: Start accepts. Automaton has 20126 states and 21006 transitions. Word has length 981 [2021-08-29 05:02:17,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:17,521 INFO L470 AbstractCegarLoop]: Abstraction has 20126 states and 21006 transitions. [2021-08-29 05:02:17,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 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) [2021-08-29 05:02:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 20126 states and 21006 transitions. [2021-08-29 05:02:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1003 [2021-08-29 05:02:17,533 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:17,533 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 05:02:17,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-29 05:02:17,533 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:17,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:17,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1224360302, now seen corresponding path program 1 times [2021-08-29 05:02:17,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:17,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000672124] [2021-08-29 05:02:17,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:17,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 1062 proven. 105 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-08-29 05:02:17,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:17,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000672124] [2021-08-29 05:02:17,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000672124] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:17,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888039309] [2021-08-29 05:02:17,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:17,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:17,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:17,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:17,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-29 05:02:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:18,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:18,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 678 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-08-29 05:02:19,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:02:19,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888039309] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:19,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:02:19,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-08-29 05:02:19,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807278535] [2021-08-29 05:02:19,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:19,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:19,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:19,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:02:19,530 INFO L87 Difference]: Start difference. First operand 20126 states and 21006 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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) [2021-08-29 05:02:21,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:21,341 INFO L93 Difference]: Finished difference Result 51039 states and 53253 transitions. [2021-08-29 05:02:21,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:02:21,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 1002 [2021-08-29 05:02:21,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:21,371 INFO L225 Difference]: With dead ends: 51039 [2021-08-29 05:02:21,372 INFO L226 Difference]: Without dead ends: 30915 [2021-08-29 05:02:21,385 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1006 GetRequests, 1002 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.46ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:02:21,386 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 558 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1400.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.46ms SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1651.38ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:21,386 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [558 Valid, 0 Invalid, 1967 Unknown, 0 Unchecked, 2.46ms Time], IncrementalHoareTripleChecker [232 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 1651.38ms Time] [2021-08-29 05:02:21,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30915 states. [2021-08-29 05:02:21,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30915 to 25213. [2021-08-29 05:02:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25213 states, 25212 states have (on average 1.0473980644137713) internal successors, (26407), 25212 states have internal predecessors, (26407), 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) [2021-08-29 05:02:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25213 states to 25213 states and 26407 transitions. [2021-08-29 05:02:21,634 INFO L78 Accepts]: Start accepts. Automaton has 25213 states and 26407 transitions. Word has length 1002 [2021-08-29 05:02:21,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:21,634 INFO L470 AbstractCegarLoop]: Abstraction has 25213 states and 26407 transitions. [2021-08-29 05:02:21,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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) [2021-08-29 05:02:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 25213 states and 26407 transitions. [2021-08-29 05:02:21,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1049 [2021-08-29 05:02:21,647 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:21,647 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:21,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:21,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:21,861 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:21,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:21,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1136643602, now seen corresponding path program 1 times [2021-08-29 05:02:21,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:21,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286543441] [2021-08-29 05:02:21,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:21,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 1375 proven. 0 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2021-08-29 05:02:22,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:22,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286543441] [2021-08-29 05:02:22,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286543441] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:22,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:22,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:22,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561140364] [2021-08-29 05:02:22,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:22,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:22,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:22,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:22,148 INFO L87 Difference]: Start difference. First operand 25213 states and 26407 transitions. Second operand has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 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) [2021-08-29 05:02:23,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:23,197 INFO L93 Difference]: Finished difference Result 50124 states and 52510 transitions. [2021-08-29 05:02:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:23,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 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 1048 [2021-08-29 05:02:23,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:23,222 INFO L225 Difference]: With dead ends: 50124 [2021-08-29 05:02:23,223 INFO L226 Difference]: Without dead ends: 25212 [2021-08-29 05:02:23,237 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:23,238 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 187 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 764.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.23ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 929.34ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:23,238 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 0 Invalid, 1329 Unknown, 0 Unchecked, 1.23ms Time], IncrementalHoareTripleChecker [36 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 929.34ms Time] [2021-08-29 05:02:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25212 states. [2021-08-29 05:02:23,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25212 to 25212. [2021-08-29 05:02:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25212 states, 25211 states have (on average 1.0418468128991314) internal successors, (26266), 25211 states have internal predecessors, (26266), 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) [2021-08-29 05:02:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25212 states to 25212 states and 26266 transitions. [2021-08-29 05:02:23,469 INFO L78 Accepts]: Start accepts. Automaton has 25212 states and 26266 transitions. Word has length 1048 [2021-08-29 05:02:23,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:23,470 INFO L470 AbstractCegarLoop]: Abstraction has 25212 states and 26266 transitions. [2021-08-29 05:02:23,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 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) [2021-08-29 05:02:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 25212 states and 26266 transitions. [2021-08-29 05:02:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1054 [2021-08-29 05:02:23,482 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:23,482 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:23,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-29 05:02:23,483 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:23,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:23,483 INFO L82 PathProgramCache]: Analyzing trace with hash 502836976, now seen corresponding path program 1 times [2021-08-29 05:02:23,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:23,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951498372] [2021-08-29 05:02:23,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:23,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 1338 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-08-29 05:02:23,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:23,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951498372] [2021-08-29 05:02:23,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951498372] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:23,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:23,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:23,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006118025] [2021-08-29 05:02:23,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:23,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:23,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:23,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:23,778 INFO L87 Difference]: Start difference. First operand 25212 states and 26266 transitions. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 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) [2021-08-29 05:02:25,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:25,085 INFO L93 Difference]: Finished difference Result 57614 states and 59970 transitions. [2021-08-29 05:02:25,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:25,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 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 1053 [2021-08-29 05:02:25,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:25,125 INFO L225 Difference]: With dead ends: 57614 [2021-08-29 05:02:25,125 INFO L226 Difference]: Without dead ends: 32703 [2021-08-29 05:02:25,144 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.46ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:25,145 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 924.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.52ms SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1113.49ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:25,145 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 0 Invalid, 1461 Unknown, 0 Unchecked, 1.52ms Time], IncrementalHoareTripleChecker [70 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 1113.49ms Time] [2021-08-29 05:02:25,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32703 states. [2021-08-29 05:02:25,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32703 to 29699. [2021-08-29 05:02:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29699 states, 29698 states have (on average 1.0385547848339955) internal successors, (30843), 29698 states have internal predecessors, (30843), 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) [2021-08-29 05:02:25,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29699 states to 29699 states and 30843 transitions. [2021-08-29 05:02:25,445 INFO L78 Accepts]: Start accepts. Automaton has 29699 states and 30843 transitions. Word has length 1053 [2021-08-29 05:02:25,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:25,445 INFO L470 AbstractCegarLoop]: Abstraction has 29699 states and 30843 transitions. [2021-08-29 05:02:25,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 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) [2021-08-29 05:02:25,445 INFO L276 IsEmpty]: Start isEmpty. Operand 29699 states and 30843 transitions. [2021-08-29 05:02:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1127 [2021-08-29 05:02:25,467 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:25,467 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 05:02:25,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-29 05:02:25,468 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:25,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:25,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1682963098, now seen corresponding path program 1 times [2021-08-29 05:02:25,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:25,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185851528] [2021-08-29 05:02:25,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:25,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2243 backedges. 1222 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2021-08-29 05:02:25,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:25,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185851528] [2021-08-29 05:02:25,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185851528] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:25,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:25,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:25,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428532536] [2021-08-29 05:02:25,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:25,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:25,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:25,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:25,741 INFO L87 Difference]: Start difference. First operand 29699 states and 30843 transitions. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2021-08-29 05:02:27,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:27,031 INFO L93 Difference]: Finished difference Result 68395 states and 70978 transitions. [2021-08-29 05:02:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:27,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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 1126 [2021-08-29 05:02:27,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:27,067 INFO L225 Difference]: With dead ends: 68395 [2021-08-29 05:02:27,067 INFO L226 Difference]: Without dead ends: 38997 [2021-08-29 05:02:27,084 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:27,085 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 257 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 939.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.81ms SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1119.92ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:27,085 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 0 Invalid, 1155 Unknown, 0 Unchecked, 1.81ms Time], IncrementalHoareTripleChecker [132 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 1119.92ms Time] [2021-08-29 05:02:27,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38997 states. [2021-08-29 05:02:27,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38997 to 35093. [2021-08-29 05:02:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35093 states, 35092 states have (on average 1.0367890117405676) internal successors, (36383), 35092 states have internal predecessors, (36383), 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) [2021-08-29 05:02:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35093 states to 35093 states and 36383 transitions. [2021-08-29 05:02:27,406 INFO L78 Accepts]: Start accepts. Automaton has 35093 states and 36383 transitions. Word has length 1126 [2021-08-29 05:02:27,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:27,407 INFO L470 AbstractCegarLoop]: Abstraction has 35093 states and 36383 transitions. [2021-08-29 05:02:27,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2021-08-29 05:02:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 35093 states and 36383 transitions. [2021-08-29 05:02:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2021-08-29 05:02:27,427 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:27,428 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:27,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-29 05:02:27,429 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:27,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:27,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1196675603, now seen corresponding path program 1 times [2021-08-29 05:02:27,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:27,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641461362] [2021-08-29 05:02:27,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:27,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 1165 proven. 269 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2021-08-29 05:02:27,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:27,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641461362] [2021-08-29 05:02:27,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641461362] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:27,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551961468] [2021-08-29 05:02:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:27,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:27,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:27,769 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:27,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-29 05:02:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:28,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:28,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 1062 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2021-08-29 05:02:31,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:02:31,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551961468] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:31,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:02:31,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-08-29 05:02:31,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333397209] [2021-08-29 05:02:31,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:31,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:31,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:31,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:31,368 INFO L87 Difference]: Start difference. First operand 35093 states and 36383 transitions. Second operand has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 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) [2021-08-29 05:02:32,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:32,312 INFO L93 Difference]: Finished difference Result 35657 states and 36957 transitions. [2021-08-29 05:02:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:02:32,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 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 1141 [2021-08-29 05:02:32,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:32,351 INFO L225 Difference]: With dead ends: 35657 [2021-08-29 05:02:32,351 INFO L226 Difference]: Without dead ends: 35655 [2021-08-29 05:02:32,363 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1144 GetRequests, 1139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.10ms TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:32,364 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 667.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.83ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 851 IncrementalHoareTripleChecker+Unchecked, 813.70ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:32,364 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1651 Unknown, 0 Unchecked, 3.83ms Time], IncrementalHoareTripleChecker [1 Valid, 799 Invalid, 0 Unknown, 851 Unchecked, 813.70ms Time] [2021-08-29 05:02:32,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35655 states. [2021-08-29 05:02:32,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35655 to 35426. [2021-08-29 05:02:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35426 states, 35425 states have (on average 1.0366690190543402) internal successors, (36724), 35425 states have internal predecessors, (36724), 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) [2021-08-29 05:02:32,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35426 states to 35426 states and 36724 transitions. [2021-08-29 05:02:32,753 INFO L78 Accepts]: Start accepts. Automaton has 35426 states and 36724 transitions. Word has length 1141 [2021-08-29 05:02:32,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:32,753 INFO L470 AbstractCegarLoop]: Abstraction has 35426 states and 36724 transitions. [2021-08-29 05:02:32,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 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) [2021-08-29 05:02:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 35426 states and 36724 transitions. [2021-08-29 05:02:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1179 [2021-08-29 05:02:32,770 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:32,770 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:32,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:32,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:32,971 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:32,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:32,972 INFO L82 PathProgramCache]: Analyzing trace with hash 668651682, now seen corresponding path program 1 times [2021-08-29 05:02:32,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:32,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908547373] [2021-08-29 05:02:32,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:32,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 1396 proven. 192 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-08-29 05:02:33,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:33,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908547373] [2021-08-29 05:02:33,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908547373] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:33,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958079584] [2021-08-29 05:02:33,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:33,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:33,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:33,393 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:33,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-29 05:02:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:33,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:33,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 1099 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-08-29 05:02:36,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:02:36,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958079584] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:36,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:02:36,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-08-29 05:02:36,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955038564] [2021-08-29 05:02:36,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:36,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:36,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:36,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:36,696 INFO L87 Difference]: Start difference. First operand 35426 states and 36724 transitions. Second operand has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 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) [2021-08-29 05:02:37,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:37,774 INFO L93 Difference]: Finished difference Result 39479 states and 40860 transitions. [2021-08-29 05:02:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:02:37,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 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 1178 [2021-08-29 05:02:37,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:37,810 INFO L225 Difference]: With dead ends: 39479 [2021-08-29 05:02:37,811 INFO L226 Difference]: Without dead ends: 39477 [2021-08-29 05:02:37,822 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1182 GetRequests, 1177 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 15.29ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:37,823 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 113 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 774.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.60ms SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 550 IncrementalHoareTripleChecker+Unchecked, 957.13ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:37,823 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 0 Invalid, 1607 Unknown, 0 Unchecked, 2.60ms Time], IncrementalHoareTripleChecker [213 Valid, 844 Invalid, 0 Unknown, 550 Unchecked, 957.13ms Time] [2021-08-29 05:02:37,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39477 states. [2021-08-29 05:02:38,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39477 to 37944. [2021-08-29 05:02:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37944 states, 37943 states have (on average 1.0353424874153336) internal successors, (39284), 37943 states have internal predecessors, (39284), 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) [2021-08-29 05:02:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37944 states to 37944 states and 39284 transitions. [2021-08-29 05:02:38,144 INFO L78 Accepts]: Start accepts. Automaton has 37944 states and 39284 transitions. Word has length 1178 [2021-08-29 05:02:38,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:38,145 INFO L470 AbstractCegarLoop]: Abstraction has 37944 states and 39284 transitions. [2021-08-29 05:02:38,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 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) [2021-08-29 05:02:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 37944 states and 39284 transitions. [2021-08-29 05:02:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1441 [2021-08-29 05:02:38,165 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:38,165 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-29 05:02:38,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:38,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-08-29 05:02:38,366 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:38,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:38,367 INFO L82 PathProgramCache]: Analyzing trace with hash 273788515, now seen corresponding path program 1 times [2021-08-29 05:02:38,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:38,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9935508] [2021-08-29 05:02:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:38,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3093 backedges. 1343 proven. 52 refuted. 0 times theorem prover too weak. 1698 trivial. 0 not checked. [2021-08-29 05:02:38,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:38,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9935508] [2021-08-29 05:02:38,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9935508] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:38,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761092723] [2021-08-29 05:02:38,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:38,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:38,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:38,921 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:38,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-29 05:02:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:39,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 1637 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 05:02:39,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3093 backedges. 1343 proven. 52 refuted. 0 times theorem prover too weak. 1698 trivial. 0 not checked. [2021-08-29 05:02:42,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 05:02:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3093 backedges. 1343 proven. 52 refuted. 0 times theorem prover too weak. 1698 trivial. 0 not checked. [2021-08-29 05:02:44,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761092723] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 05:02:44,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 05:02:44,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2021-08-29 05:02:44,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541696763] [2021-08-29 05:02:44,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:44,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:44,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:44,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:02:44,665 INFO L87 Difference]: Start difference. First operand 37944 states and 39284 transitions. Second operand has 4 states, 4 states have (on average 160.25) internal successors, (641), 4 states have internal predecessors, (641), 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) [2021-08-29 05:02:46,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:46,433 INFO L93 Difference]: Finished difference Result 78858 states and 81596 transitions. [2021-08-29 05:02:46,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 05:02:46,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 160.25) internal successors, (641), 4 states have internal predecessors, (641), 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 1440 [2021-08-29 05:02:46,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:46,468 INFO L225 Difference]: With dead ends: 78858 [2021-08-29 05:02:46,468 INFO L226 Difference]: Without dead ends: 39317 [2021-08-29 05:02:46,490 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2884 GetRequests, 2881 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.13ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:02:46,490 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 308 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1261.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.69ms SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1535.67ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:46,491 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 0 Invalid, 1962 Unknown, 0 Unchecked, 3.69ms Time], IncrementalHoareTripleChecker [260 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 1535.67ms Time] [2021-08-29 05:02:46,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39317 states. [2021-08-29 05:02:46,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39317 to 37657. [2021-08-29 05:02:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37657 states, 37656 states have (on average 1.02868068833652) internal successors, (38736), 37656 states have internal predecessors, (38736), 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) [2021-08-29 05:02:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37657 states to 37657 states and 38736 transitions. [2021-08-29 05:02:46,829 INFO L78 Accepts]: Start accepts. Automaton has 37657 states and 38736 transitions. Word has length 1440 [2021-08-29 05:02:46,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:46,829 INFO L470 AbstractCegarLoop]: Abstraction has 37657 states and 38736 transitions. [2021-08-29 05:02:46,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 160.25) internal successors, (641), 4 states have internal predecessors, (641), 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) [2021-08-29 05:02:46,830 INFO L276 IsEmpty]: Start isEmpty. Operand 37657 states and 38736 transitions. [2021-08-29 05:02:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1474 [2021-08-29 05:02:46,851 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:46,852 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:46,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-29 05:02:47,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-08-29 05:02:47,053 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:47,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:47,053 INFO L82 PathProgramCache]: Analyzing trace with hash -2109715149, now seen corresponding path program 1 times [2021-08-29 05:02:47,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:47,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152759601] [2021-08-29 05:02:47,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:47,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 1594 proven. 931 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2021-08-29 05:02:47,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:47,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152759601] [2021-08-29 05:02:47,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152759601] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:47,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22052683] [2021-08-29 05:02:47,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:47,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:47,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:47,666 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:47,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-29 05:02:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:47,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:47,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 1789 proven. 0 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-08-29 05:02:51,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:02:51,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22052683] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:51,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:02:51,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-29 05:02:51,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144016120] [2021-08-29 05:02:51,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:51,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:51,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:51,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:02:51,394 INFO L87 Difference]: Start difference. First operand 37657 states and 38736 transitions. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2021-08-29 05:02:52,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:52,139 INFO L93 Difference]: Finished difference Result 76315 states and 78480 transitions. [2021-08-29 05:02:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:52,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 1473 [2021-08-29 05:02:52,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:52,175 INFO L225 Difference]: With dead ends: 76315 [2021-08-29 05:02:52,175 INFO L226 Difference]: Without dead ends: 38959 [2021-08-29 05:02:52,190 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1477 GetRequests, 1474 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.84ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:02:52,191 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 106 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 433.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 786 IncrementalHoareTripleChecker+Unchecked, 521.54ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:52,191 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 0 Invalid, 1270 Unknown, 0 Unchecked, 0.82ms Time], IncrementalHoareTripleChecker [0 Valid, 484 Invalid, 0 Unknown, 786 Unchecked, 521.54ms Time] [2021-08-29 05:02:52,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38959 states. [2021-08-29 05:02:52,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38959 to 38957. [2021-08-29 05:02:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38957 states, 38956 states have (on average 1.0278262655303418) internal successors, (40040), 38956 states have internal predecessors, (40040), 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) [2021-08-29 05:02:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38957 states to 38957 states and 40040 transitions. [2021-08-29 05:02:52,528 INFO L78 Accepts]: Start accepts. Automaton has 38957 states and 40040 transitions. Word has length 1473 [2021-08-29 05:02:52,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:52,529 INFO L470 AbstractCegarLoop]: Abstraction has 38957 states and 40040 transitions. [2021-08-29 05:02:52,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2021-08-29 05:02:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 38957 states and 40040 transitions. [2021-08-29 05:02:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1513 [2021-08-29 05:02:52,549 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:52,550 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:52,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:52,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:52,751 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:52,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:52,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1741155343, now seen corresponding path program 1 times [2021-08-29 05:02:52,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:52,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946011124] [2021-08-29 05:02:52,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:52,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3731 backedges. 1650 proven. 956 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2021-08-29 05:02:53,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:53,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946011124] [2021-08-29 05:02:53,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946011124] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:53,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818696517] [2021-08-29 05:02:53,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:53,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:53,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:53,269 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:53,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-29 05:02:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:53,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 1734 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:53,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3731 backedges. 1870 proven. 0 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-08-29 05:02:57,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:02:57,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818696517] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:57,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:02:57,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-29 05:02:57,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965971475] [2021-08-29 05:02:57,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:57,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:57,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:57,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:02:57,536 INFO L87 Difference]: Start difference. First operand 38957 states and 40040 transitions. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2021-08-29 05:02:58,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:58,168 INFO L93 Difference]: Finished difference Result 78939 states and 81109 transitions. [2021-08-29 05:02:58,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:58,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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 1512 [2021-08-29 05:02:58,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:58,201 INFO L225 Difference]: With dead ends: 78939 [2021-08-29 05:02:58,201 INFO L226 Difference]: Without dead ends: 40283 [2021-08-29 05:02:58,220 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1516 GetRequests, 1513 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.17ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:02:58,220 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 373.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 730 IncrementalHoareTripleChecker+Unchecked, 463.94ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:58,221 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1213 Unknown, 0 Unchecked, 0.72ms Time], IncrementalHoareTripleChecker [0 Valid, 483 Invalid, 0 Unknown, 730 Unchecked, 463.94ms Time] [2021-08-29 05:02:58,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40283 states. [2021-08-29 05:02:58,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40283 to 40283. [2021-08-29 05:02:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40283 states, 40282 states have (on average 1.0269102825083163) internal successors, (41366), 40282 states have internal predecessors, (41366), 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) [2021-08-29 05:02:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40283 states to 40283 states and 41366 transitions. [2021-08-29 05:02:58,684 INFO L78 Accepts]: Start accepts. Automaton has 40283 states and 41366 transitions. Word has length 1512 [2021-08-29 05:02:58,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:58,685 INFO L470 AbstractCegarLoop]: Abstraction has 40283 states and 41366 transitions. [2021-08-29 05:02:58,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2021-08-29 05:02:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 40283 states and 41366 transitions. [2021-08-29 05:02:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2021-08-29 05:02:58,714 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:58,715 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:58,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:58,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-08-29 05:02:58,917 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:58,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:58,918 INFO L82 PathProgramCache]: Analyzing trace with hash -228781910, now seen corresponding path program 1 times [2021-08-29 05:02:58,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:58,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490417523] [2021-08-29 05:02:58,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:58,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4436 backedges. 2603 proven. 844 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2021-08-29 05:02:59,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:59,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490417523] [2021-08-29 05:02:59,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490417523] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:59,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979253310] [2021-08-29 05:02:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:59,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:59,406 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:59,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-29 05:02:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:59,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1869 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:59,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:03:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4436 backedges. 2708 proven. 484 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2021-08-29 05:03:03,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 05:03:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4436 backedges. 2708 proven. 484 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2021-08-29 05:03:06,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979253310] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 05:03:06,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 05:03:06,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-08-29 05:03:06,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734338865] [2021-08-29 05:03:06,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-29 05:03:06,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:06,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-29 05:03:06,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-29 05:03:06,638 INFO L87 Difference]: Start difference. First operand 40283 states and 41366 transitions. Second operand has 11 states, 11 states have (on average 183.54545454545453) internal successors, (2019), 11 states have internal predecessors, (2019), 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) [2021-08-29 05:03:08,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:08,294 INFO L93 Difference]: Finished difference Result 78531 states and 80270 transitions. [2021-08-29 05:03:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 05:03:08,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 183.54545454545453) internal successors, (2019), 11 states have internal predecessors, (2019), 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 1646 [2021-08-29 05:03:08,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:08,329 INFO L225 Difference]: With dead ends: 78531 [2021-08-29 05:03:08,329 INFO L226 Difference]: Without dead ends: 35663 [2021-08-29 05:03:08,351 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3295 GetRequests, 3286 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 38.38ms TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-29 05:03:08,352 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 702 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1184.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.12ms SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 699 IncrementalHoareTripleChecker+Unchecked, 1451.95ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:08,352 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 0 Invalid, 2807 Unknown, 0 Unchecked, 3.12ms Time], IncrementalHoareTripleChecker [115 Valid, 1993 Invalid, 0 Unknown, 699 Unchecked, 1451.95ms Time] [2021-08-29 05:03:08,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35663 states. [2021-08-29 05:03:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35663 to 21589. [2021-08-29 05:03:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21589 states, 21588 states have (on average 1.0162590327959977) internal successors, (21939), 21588 states have internal predecessors, (21939), 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) [2021-08-29 05:03:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21589 states to 21589 states and 21939 transitions. [2021-08-29 05:03:08,696 INFO L78 Accepts]: Start accepts. Automaton has 21589 states and 21939 transitions. Word has length 1646 [2021-08-29 05:03:08,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:08,697 INFO L470 AbstractCegarLoop]: Abstraction has 21589 states and 21939 transitions. [2021-08-29 05:03:08,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 183.54545454545453) internal successors, (2019), 11 states have internal predecessors, (2019), 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) [2021-08-29 05:03:08,698 INFO L276 IsEmpty]: Start isEmpty. Operand 21589 states and 21939 transitions. [2021-08-29 05:03:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1812 [2021-08-29 05:03:08,724 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:08,725 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-08-29 05:03:08,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-29 05:03:08,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-08-29 05:03:08,925 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:08,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:08,926 INFO L82 PathProgramCache]: Analyzing trace with hash 844235485, now seen corresponding path program 1 times [2021-08-29 05:03:08,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:08,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121193283] [2021-08-29 05:03:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:08,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5238 backedges. 2690 proven. 1176 refuted. 0 times theorem prover too weak. 1372 trivial. 0 not checked. [2021-08-29 05:03:09,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:09,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121193283] [2021-08-29 05:03:09,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121193283] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:03:09,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329978021] [2021-08-29 05:03:09,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:09,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:03:09,557 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:03:09,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-29 05:03:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:09,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 2052 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:03:09,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:03:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5238 backedges. 3130 proven. 0 refuted. 0 times theorem prover too weak. 2108 trivial. 0 not checked. [2021-08-29 05:03:16,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:03:16,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329978021] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:03:16,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:03:16,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-29 05:03:16,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424725617] [2021-08-29 05:03:16,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:03:16,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:16,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:03:16,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:03:16,230 INFO L87 Difference]: Start difference. First operand 21589 states and 21939 transitions. Second operand has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 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) [2021-08-29 05:03:16,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:16,684 INFO L93 Difference]: Finished difference Result 38878 states and 39500 transitions. [2021-08-29 05:03:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:03:16,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 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 1811 [2021-08-29 05:03:16,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:16,686 INFO L225 Difference]: With dead ends: 38878 [2021-08-29 05:03:16,686 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 05:03:16,692 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1815 GetRequests, 1812 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.48ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:03:16,692 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 262.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 695 IncrementalHoareTripleChecker+Unchecked, 323.12ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:16,693 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1092 Unknown, 0 Unchecked, 0.53ms Time], IncrementalHoareTripleChecker [0 Valid, 397 Invalid, 0 Unknown, 695 Unchecked, 323.12ms Time] [2021-08-29 05:03:16,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 05:03:16,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 05:03:16,693 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) [2021-08-29 05:03:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 05:03:16,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1811 [2021-08-29 05:03:16,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:16,693 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 05:03:16,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 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) [2021-08-29 05:03:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 05:03:16,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 05:03:16,696 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 05:03:16,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-08-29 05:03:16,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-08-29 05:03:16,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 05:03:16,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:03:16,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:03:17,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:03:18,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:03:26,111 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,112 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,113 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,115 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,116 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,117 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,118 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-29 05:03:26,119 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,120 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-29 05:03:26,121 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,122 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-29 05:03:26,122 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-29 05:03:26,122 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-29 05:03:26,122 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,122 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-29 05:03:26,122 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-29 05:03:26,122 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,122 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,123 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,123 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,123 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-29 05:03:26,123 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,123 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,123 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,123 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,123 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-29 05:03:26,124 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-29 05:03:26,124 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,124 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-29 05:03:26,124 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,124 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,124 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,124 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,125 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,125 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,125 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-29 05:03:26,125 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,125 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,125 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,125 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,125 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,126 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,126 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,126 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-29 05:03:26,126 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,126 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,126 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,126 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,126 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,127 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-29 05:03:26,127 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,127 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,127 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,127 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,127 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,127 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,127 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,128 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 05:03:26,128 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,128 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-29 05:03:26,128 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-29 05:03:26,128 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,128 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,128 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-29 05:03:26,128 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,129 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,129 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,129 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,129 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,129 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-29 05:03:26,129 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,129 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,130 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,130 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,130 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,130 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-29 05:03:26,130 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,130 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,130 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,130 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-29 05:03:26,131 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,132 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,133 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,134 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,135 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,135 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,135 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse12 (+ ~a29~0 127))) (let ((.cse2 (= 3 ~a2~0)) (.cse17 (<= (+ ~a0~0 61) 0)) (.cse10 (<= ~a0~0 599920)) (.cse14 (<= ~a29~0 15)) (.cse18 (<= ~a0~0 599976)) (.cse13 (<= 0 (+ 146 ~a0~0))) (.cse3 (= 2 ~a2~0)) (.cse1 (<= (+ 98 ~a0~0) 0)) (.cse4 (<= 0 .cse12)) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse7 (<= ~a0~0 599946)) (.cse19 (<= (+ ~a4~0 86) 0)) (.cse15 (= ~a2~0 4)) (.cse9 (< 43 ~a29~0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse11 (= ~a2~0 1)) (.cse8 (= 5 ~a2~0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse16 (< (+ 31778 ~a0~0) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 (< 0 (+ ~a29~0 144)) .cse7 .cse2) (and .cse0 .cse3 .cse5) (and .cse8 .cse9 .cse0 .cse1) (and .cse10 (<= (+ ~a29~0 145) 0) .cse6 .cse2) (and .cse4 .cse6 .cse11 (<= (+ 44 ~a0~0) 0) (<= .cse12 0)) (and .cse8 .cse0 .cse1 .cse13) (and .cse14 .cse0 .cse5 .cse15) (and .cse0 .cse4 .cse11 .cse16) (and .cse14 .cse0 .cse13 .cse11 .cse17) (and .cse6 .cse17) (and .cse4 .cse6 .cse15 .cse18) (and .cse10 .cse6 .cse15) (and .cse8 .cse14 .cse4 .cse6 .cse18) (and .cse3 .cse6 .cse7) (and .cse0 .cse1 .cse13 .cse11) (and .cse0 .cse3 .cse4 .cse1) (and .cse8 .cse4 .cse6 .cse7) (and .cse0 .cse5 .cse11 (<= (+ 339366 ~a0~0) 0)) (and .cse0 .cse5 .cse11 .cse19) (and .cse0 .cse5 (or .cse19 (not (= ULTIMATE.start_calculate_output_~input 1))) .cse15) (and .cse9 .cse0 .cse5 .cse11) (and .cse8 .cse0 .cse16)))) [2021-08-29 05:03:26,135 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-29 05:03:26,135 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-29 05:03:26,136 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,136 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,136 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,136 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,136 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,136 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,136 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,136 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-29 05:03:26,137 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse13 (+ ~a29~0 127))) (let ((.cse2 (= 3 ~a2~0)) (.cse17 (<= (+ ~a0~0 61) 0)) (.cse8 (<= 4 ~a2~0)) (.cse15 (< (+ 31778 ~a0~0) 0)) (.cse11 (<= ~a0~0 599920)) (.cse16 (<= ~a29~0 15)) (.cse19 (<= ~a0~0 599976)) (.cse18 (= ~a2~0 4)) (.cse14 (<= 0 (+ 146 ~a0~0))) (.cse3 (= 2 ~a2~0)) (.cse1 (<= (+ 98 ~a0~0) 0)) (.cse6 (= 5 ~a2~0)) (.cse4 (<= 0 .cse13)) (.cse9 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= ~a0~0 599946)) (.cse7 (< 43 ~a29~0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse12 (= ~a2~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse5 .cse8) (and .cse9 (< 0 (+ ~a29~0 144)) .cse10 .cse2) (and .cse0 .cse3 .cse5) (and .cse11 (<= (+ ~a29~0 145) 0) .cse9 .cse2) (and .cse4 .cse9 .cse12 (<= (+ 44 ~a0~0) 0) (<= .cse13 0)) (and .cse6 .cse0 .cse1 .cse14) (and .cse0 .cse4 .cse12 .cse15) (and .cse16 .cse0 .cse14 .cse12 .cse17) (and .cse9 .cse17) (and .cse6 .cse0 .cse5 .cse8 .cse15) (and .cse4 .cse9 .cse18 .cse19) (and .cse11 .cse9 .cse18) (and .cse6 .cse16 .cse4 .cse9 .cse19) (and .cse0 .cse5 .cse18) (and .cse3 .cse9 .cse10) (and .cse0 .cse1 .cse14 .cse12) (and .cse0 .cse3 .cse4 .cse1) (and .cse6 .cse4 .cse9 .cse10) (and .cse0 .cse5 .cse12 (<= (+ 339366 ~a0~0) 0)) (and .cse0 .cse5 .cse12 (<= (+ ~a4~0 86) 0)) (and .cse7 .cse0 .cse5 .cse12)))) [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-29 05:03:26,138 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-29 05:03:26,139 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,139 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,139 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,139 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,139 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,139 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,139 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-29 05:03:26,140 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-29 05:03:26,140 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,140 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,140 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-29 05:03:26,140 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,140 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,140 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,140 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,141 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,141 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,141 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-29 05:03:26,141 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-29 05:03:26,141 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,141 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,141 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,141 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,142 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,142 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,142 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-29 05:03:26,142 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,142 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-29 05:03:26,142 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,142 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,142 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,143 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,143 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,143 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,143 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,143 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-29 05:03:26,143 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-29 05:03:26,143 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,143 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,144 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,144 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,144 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,144 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,144 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,144 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-29 05:03:26,144 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-29 05:03:26,144 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,145 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,145 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,145 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,145 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,145 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,145 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,145 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-29 05:03:26,145 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse13 (+ ~a29~0 127))) (let ((.cse2 (= 3 ~a2~0)) (.cse17 (<= (+ ~a0~0 61) 0)) (.cse8 (<= 4 ~a2~0)) (.cse15 (< (+ 31778 ~a0~0) 0)) (.cse11 (<= ~a0~0 599920)) (.cse16 (<= ~a29~0 15)) (.cse19 (<= ~a0~0 599976)) (.cse18 (= ~a2~0 4)) (.cse14 (<= 0 (+ 146 ~a0~0))) (.cse3 (= 2 ~a2~0)) (.cse1 (<= (+ 98 ~a0~0) 0)) (.cse6 (= 5 ~a2~0)) (.cse4 (<= 0 .cse13)) (.cse9 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= ~a0~0 599946)) (.cse7 (< 43 ~a29~0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse12 (= ~a2~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse5 .cse8) (and .cse9 (< 0 (+ ~a29~0 144)) .cse10 .cse2) (and .cse0 .cse3 .cse5) (and .cse11 (<= (+ ~a29~0 145) 0) .cse9 .cse2) (and .cse4 .cse9 .cse12 (<= (+ 44 ~a0~0) 0) (<= .cse13 0)) (and .cse6 .cse0 .cse1 .cse14) (and .cse0 .cse4 .cse12 .cse15) (and .cse16 .cse0 .cse14 .cse12 .cse17) (and .cse9 .cse17) (and .cse6 .cse0 .cse5 .cse8 .cse15) (and .cse4 .cse9 .cse18 .cse19) (and .cse11 .cse9 .cse18) (and .cse6 .cse16 .cse4 .cse9 .cse19) (and .cse0 .cse5 .cse18) (and .cse3 .cse9 .cse10) (and .cse0 .cse1 .cse14 .cse12) (and .cse0 .cse3 .cse4 .cse1) (and .cse6 .cse4 .cse9 .cse10) (and .cse0 .cse5 .cse12 (<= (+ 339366 ~a0~0) 0)) (and .cse0 .cse5 .cse12 (<= (+ ~a4~0 86) 0)) (and .cse7 .cse0 .cse5 .cse12)))) [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,146 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,147 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,148 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-29 05:03:26,149 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,150 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-29 05:03:26,150 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,150 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:03:26,150 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,150 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-29 05:03:26,150 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-29 05:03:26,154 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 05:03:26,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:03:26 BoogieIcfgContainer [2021-08-29 05:03:26,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 05:03:26,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 05:03:26,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 05:03:26,183 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 05:03:26,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:21" (3/4) ... [2021-08-29 05:03:26,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 05:03:26,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-29 05:03:26,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 05:03:26,217 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 05:03:26,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 05:03:26,385 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 05:03:26,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 05:03:26,386 INFO L158 Benchmark]: Toolchain (without parser) took 127516.25ms. Allocated memory was 56.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 29.9MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 703.5MB. Max. memory is 16.1GB. [2021-08-29 05:03:26,387 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 05:03:26,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 940.03ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.6MB in the beginning and 36.7MB in the end (delta: -7.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-08-29 05:03:26,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 235.15ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 36.7MB in the beginning and 37.4MB in the end (delta: -765.6kB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-08-29 05:03:26,393 INFO L158 Benchmark]: Boogie Preprocessor took 282.93ms. Allocated memory is still 90.2MB. Free memory was 37.4MB in the beginning and 29.1MB in the end (delta: 8.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-08-29 05:03:26,394 INFO L158 Benchmark]: RCFGBuilder took 948.04ms. Allocated memory was 90.2MB in the beginning and 243.3MB in the end (delta: 153.1MB). Free memory was 29.1MB in the beginning and 150.9MB in the end (delta: -121.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2021-08-29 05:03:26,395 INFO L158 Benchmark]: TraceAbstraction took 124900.09ms. Allocated memory was 243.3MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 150.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2021-08-29 05:03:26,396 INFO L158 Benchmark]: Witness Printer took 202.91ms. Allocated memory is still 2.0GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-08-29 05:03:26,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 940.03ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.6MB in the beginning and 36.7MB in the end (delta: -7.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 235.15ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 36.7MB in the beginning and 37.4MB in the end (delta: -765.6kB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 282.93ms. Allocated memory is still 90.2MB. Free memory was 37.4MB in the beginning and 29.1MB in the end (delta: 8.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * RCFGBuilder took 948.04ms. Allocated memory was 90.2MB in the beginning and 243.3MB in the end (delta: 153.1MB). Free memory was 29.1MB in the beginning and 150.9MB in the end (delta: -121.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * TraceAbstraction took 124900.09ms. Allocated memory was 243.3MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 150.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 202.91ms. Allocated memory is still 2.0GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 179]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 124811.85ms, OverallIterations: 33, TraceHistogramMax: 9, EmptinessCheckTime: 384.79ms, AutomataDifference: 49698.80ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 9214.09ms, InitialAbstractionConstructionTime: 19.83ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9633 SdHoareTripleChecker+Valid, 44633.40ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9633 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 37296.25ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4311 IncrementalHoareTripleChecker+Unchecked, 1329 mSDsCounter, 5233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42323 IncrementalHoareTripleChecker+Invalid, 51867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5233 mSolverCounterUnsat, 0 mSDtfsCounter, 42323 mSolverCounterSat, 88.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19081 GetRequests, 18997 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 348.03ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=40283occurred in iteration=31, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 6212.04ms AutomataMinimizationTime, 33 MinimizatonAttempts, 55804 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 290 NumberOfFragments, 1214 HoareAnnotationTreeSize, 4 FomulaSimplifications, 540570 FormulaSimplificationTreeSizeReduction, 2329.78ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 2068806 FormulaSimplificationTreeSizeReductionInter, 6871.77ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1220.40ms SsaConstructionTime, 4427.19ms SatisfiabilityAnalysisTime, 50017.90ms InterpolantComputationTime, 41021 NumberOfCodeBlocks, 41021 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 44942 ConstructedInterpolants, 1389 QuantifiedInterpolants, 174872 SizeOfPredicates, 14 NumberOfNonLiveVariables, 17441 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 49 InterpolantComputations, 31 PerfectInterpolantSequences, 80354/87076 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || (((89 + a4 <= 0 && 0 < a29 + 144) && a0 <= 599946) && 3 == a2)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((5 == a2 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0)) || (((a0 <= 599920 && a29 + 145 <= 0) && 89 + a4 <= 0) && 3 == a2)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((a29 <= 15 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 4)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && 31778 + a0 < 0)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || (((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 4) && a0 <= 599976)) || ((a0 <= 599920 && 89 + a4 <= 0) && a2 == 4)) || ((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599976)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && 339366 + a0 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && a4 + 86 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && (a4 + 86 <= 0 || !(input == 1))) && a2 == 4)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || ((5 == a2 && 42 + a4 <= 0) && 31778 + a0 < 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4 <= a2)) || (((89 + a4 <= 0 && 0 < a29 + 144) && a0 <= 599946) && 3 == a2)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((a0 <= 599920 && a29 + 145 <= 0) && 89 + a4 <= 0) && 3 == a2)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && 31778 + a0 < 0)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || ((((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0) && 4 <= a2) && 31778 + a0 < 0)) || (((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 4) && a0 <= 599976)) || ((a0 <= 599920 && 89 + a4 <= 0) && a2 == 4)) || ((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599976)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && 339366 + a0 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && a4 + 86 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4 <= a2)) || (((89 + a4 <= 0 && 0 < a29 + 144) && a0 <= 599946) && 3 == a2)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((a0 <= 599920 && a29 + 145 <= 0) && 89 + a4 <= 0) && 3 == a2)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && 31778 + a0 < 0)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || ((((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0) && 4 <= a2) && 31778 + a0 < 0)) || (((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 4) && a0 <= 599976)) || ((a0 <= 599920 && 89 + a4 <= 0) && a2 == 4)) || ((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599976)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && 339366 + a0 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && a4 + 86 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) RESULT: Ultimate proved your program to be correct! [2021-08-29 05:03:26,434 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...