./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_label01.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 f5b65475f31b31ffff5fad21da41573118a25f2b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 22:10:58,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:10:58,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:10:58,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:10:58,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:10:58,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:10:58,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:10:58,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:10:58,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:10:58,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:10:58,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:10:58,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:10:58,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:10:58,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:10:58,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:10:58,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:10:58,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:10:58,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:10:58,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:10:58,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:10:58,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:10:58,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:10:58,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:10:58,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:10:58,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:10:58,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:10:58,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:10:58,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:10:58,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:10:58,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:10:58,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:10:58,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:10:58,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:10:58,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:10:58,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:10:58,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:10:58,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:10:58,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:10:58,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:10:58,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:10:58,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:10:58,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:10:58,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:10:58,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:10:58,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:10:58,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:10:58,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:10:58,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:10:58,392 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:10:58,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:10:58,392 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:10:58,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:10:58,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:10:58,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:10:58,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:10:58,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:10:58,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:10:58,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:10:58,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:10:58,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:10:58,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:10:58,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:10:58,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:10:58,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:10:58,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:10:58,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:10:58,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:10:58,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:10:58,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:10:58,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:10:58,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:10:58,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:10:58,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5b65475f31b31ffff5fad21da41573118a25f2b [2021-08-25 22:10:58,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:10:58,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:10:58,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:10:58,697 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:10:58,697 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:10:58,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label01.c [2021-08-25 22:10:58,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5339c9c15/e90926181b32442a8559091814302581/FLAG7b36ef9ed [2021-08-25 22:10:59,245 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:10:59,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label01.c [2021-08-25 22:10:59,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5339c9c15/e90926181b32442a8559091814302581/FLAG7b36ef9ed [2021-08-25 22:10:59,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5339c9c15/e90926181b32442a8559091814302581 [2021-08-25 22:10:59,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:10:59,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:10:59,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:10:59,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:10:59,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:10:59,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:10:59" (1/1) ... [2021-08-25 22:10:59,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4e021f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:10:59, skipping insertion in model container [2021-08-25 22:10:59,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:10:59" (1/1) ... [2021-08-25 22:10:59,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:10:59,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:10:59,969 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_label01.c[5470,5483] [2021-08-25 22:11:00,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:11:00,334 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:11:00,366 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_label01.c[5470,5483] [2021-08-25 22:11:00,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:11:00,562 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:11:00,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00 WrapperNode [2021-08-25 22:11:00,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:11:00,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:11:00,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:11:00,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:11:00,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:11:00,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:11:00,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:11:00,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:11:00,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:11:00,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:11:00,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:11:00,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:11:00,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (1/1) ... [2021-08-25 22:11:00,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:11:00,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:11:00,908 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) [2021-08-25 22:11:00,959 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 [2021-08-25 22:11:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:11:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:11:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:11:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:11:03,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:11:03,263 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:11:03,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:11:03 BoogieIcfgContainer [2021-08-25 22:11:03,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:11:03,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:11:03,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:11:03,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:11:03,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:10:59" (1/3) ... [2021-08-25 22:11:03,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ec6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:11:03, skipping insertion in model container [2021-08-25 22:11:03,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:00" (2/3) ... [2021-08-25 22:11:03,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ec6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:11:03, skipping insertion in model container [2021-08-25 22:11:03,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:11:03" (3/3) ... [2021-08-25 22:11:03,269 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label01.c [2021-08-25 22:11:03,273 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:11:03,273 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:11:03,300 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:11:03,304 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 [2021-08-25 22:11:03,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:11:03,317 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) [2021-08-25 22:11:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-25 22:11:03,347 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:03,347 INFO L512 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] [2021-08-25 22:11:03,348 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:03,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:03,352 INFO L82 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2021-08-25 22:11:03,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:03,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072629324] [2021-08-25 22:11:03,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:03,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:03,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:03,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072629324] [2021-08-25 22:11:03,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072629324] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:03,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:03,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:03,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349351066] [2021-08-25 22:11:03,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:03,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:03,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:03,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:03,511 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 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:05,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:05,959 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-08-25 22:11:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:05,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-08-25 22:11:05,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:05,973 INFO L225 Difference]: With dead ends: 1154 [2021-08-25 22:11:05,974 INFO L226 Difference]: Without dead ends: 665 [2021-08-25 22:11:05,977 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:05,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-08-25 22:11:06,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-08-25 22:11:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-08-25 22:11:06,019 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 44 [2021-08-25 22:11:06,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:06,020 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-08-25 22:11:06,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-08-25 22:11:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-08-25 22:11:06,022 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:06,023 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:06,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:11:06,023 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:06,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:06,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1760666973, now seen corresponding path program 1 times [2021-08-25 22:11:06,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:06,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684834698] [2021-08-25 22:11:06,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:06,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:06,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:06,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684834698] [2021-08-25 22:11:06,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684834698] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:06,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:06,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:06,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317363129] [2021-08-25 22:11:06,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:06,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:06,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:06,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:06,124 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:07,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:07,912 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-08-25 22:11:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:07,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-08-25 22:11:07,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:07,924 INFO L225 Difference]: With dead ends: 1624 [2021-08-25 22:11:07,924 INFO L226 Difference]: Without dead ends: 963 [2021-08-25 22:11:07,927 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:07,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-08-25 22:11:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-08-25 22:11:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-08-25 22:11:07,972 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 109 [2021-08-25 22:11:07,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:07,972 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-08-25 22:11:07,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:07,973 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-08-25 22:11:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-08-25 22:11:07,975 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:07,975 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:07,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:11:07,976 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:07,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:07,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1367533996, now seen corresponding path program 1 times [2021-08-25 22:11:07,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:07,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457814194] [2021-08-25 22:11:07,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:07,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:08,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:08,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457814194] [2021-08-25 22:11:08,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457814194] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:08,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:08,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:08,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667037408] [2021-08-25 22:11:08,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:08,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:08,043 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:10,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:10,166 INFO L93 Difference]: Finished difference Result 2229 states and 3186 transitions. [2021-08-25 22:11:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:10,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-08-25 22:11:10,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:10,176 INFO L225 Difference]: With dead ends: 2229 [2021-08-25 22:11:10,176 INFO L226 Difference]: Without dead ends: 1567 [2021-08-25 22:11:10,177 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:10,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2021-08-25 22:11:10,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1266. [2021-08-25 22:11:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3051383399209486) internal successors, (1651), 1265 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2021-08-25 22:11:10,193 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 114 [2021-08-25 22:11:10,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:10,194 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2021-08-25 22:11:10,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2021-08-25 22:11:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-08-25 22:11:10,199 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:10,200 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:10,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:11:10,200 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:10,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:10,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1300079150, now seen corresponding path program 1 times [2021-08-25 22:11:10,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:10,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737507211] [2021-08-25 22:11:10,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:10,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:10,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:10,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737507211] [2021-08-25 22:11:10,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737507211] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:10,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:10,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:11:10,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552352753] [2021-08-25 22:11:10,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:11:10,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:10,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:11:10,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:11:10,356 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:14,602 INFO L93 Difference]: Finished difference Result 4668 states and 6173 transitions. [2021-08-25 22:11:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:11:14,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2021-08-25 22:11:14,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:14,612 INFO L225 Difference]: With dead ends: 4668 [2021-08-25 22:11:14,612 INFO L226 Difference]: Without dead ends: 3404 [2021-08-25 22:11:14,615 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:11:14,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2021-08-25 22:11:14,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2021-08-25 22:11:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2366863905325445) internal successors, (4180), 3380 states have internal predecessors, (4180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4180 transitions. [2021-08-25 22:11:14,702 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4180 transitions. Word has length 135 [2021-08-25 22:11:14,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:14,703 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4180 transitions. [2021-08-25 22:11:14,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:14,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4180 transitions. [2021-08-25 22:11:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-08-25 22:11:14,705 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:14,705 INFO L512 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, 2, 2, 2, 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] [2021-08-25 22:11:14,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:11:14,705 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:14,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:14,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1749227933, now seen corresponding path program 1 times [2021-08-25 22:11:14,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:14,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630880955] [2021-08-25 22:11:14,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:14,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-08-25 22:11:14,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:14,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630880955] [2021-08-25 22:11:14,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630880955] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:14,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:14,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:14,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405563890] [2021-08-25 22:11:14,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:14,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:14,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:14,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:14,831 INFO L87 Difference]: Start difference. First operand 3381 states and 4180 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:16,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:16,684 INFO L93 Difference]: Finished difference Result 8563 states and 10754 transitions. [2021-08-25 22:11:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:16,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 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 203 [2021-08-25 22:11:16,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:16,701 INFO L225 Difference]: With dead ends: 8563 [2021-08-25 22:11:16,701 INFO L226 Difference]: Without dead ends: 5483 [2021-08-25 22:11:16,705 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:16,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-08-25 22:11:16,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-08-25 22:11:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.16870549570933) internal successors, (6401), 5477 states have internal predecessors, (6401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6401 transitions. [2021-08-25 22:11:16,781 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6401 transitions. Word has length 203 [2021-08-25 22:11:16,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:16,782 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6401 transitions. [2021-08-25 22:11:16,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6401 transitions. [2021-08-25 22:11:16,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-08-25 22:11:16,785 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:16,786 INFO L512 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, 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] [2021-08-25 22:11:16,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:11:16,786 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:16,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:16,787 INFO L82 PathProgramCache]: Analyzing trace with hash -92208819, now seen corresponding path program 1 times [2021-08-25 22:11:16,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:16,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134414042] [2021-08-25 22:11:16,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:16,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 22:11:16,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:16,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134414042] [2021-08-25 22:11:16,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134414042] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:16,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:16,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:16,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140798600] [2021-08-25 22:11:16,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:16,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:16,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:16,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:16,973 INFO L87 Difference]: Start difference. First operand 5478 states and 6401 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:18,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:18,584 INFO L93 Difference]: Finished difference Result 10655 states and 12489 transitions. [2021-08-25 22:11:18,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:18,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 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 305 [2021-08-25 22:11:18,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:18,647 INFO L225 Difference]: With dead ends: 10655 [2021-08-25 22:11:18,650 INFO L226 Difference]: Without dead ends: 5478 [2021-08-25 22:11:18,654 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:18,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-08-25 22:11:18,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-08-25 22:11:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1676100054774512) internal successors, (6395), 5477 states have internal predecessors, (6395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6395 transitions. [2021-08-25 22:11:18,716 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6395 transitions. Word has length 305 [2021-08-25 22:11:18,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:18,716 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6395 transitions. [2021-08-25 22:11:18,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6395 transitions. [2021-08-25 22:11:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-08-25 22:11:18,720 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:18,721 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:11:18,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:11:18,721 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:18,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:18,722 INFO L82 PathProgramCache]: Analyzing trace with hash 691630654, now seen corresponding path program 1 times [2021-08-25 22:11:18,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:18,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542216271] [2021-08-25 22:11:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:18,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-25 22:11:18,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:18,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542216271] [2021-08-25 22:11:18,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542216271] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:18,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:18,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:11:18,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030060083] [2021-08-25 22:11:18,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:18,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:18,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:18,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:18,845 INFO L87 Difference]: Start difference. First operand 5478 states and 6395 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:20,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:20,889 INFO L93 Difference]: Finished difference Result 12758 states and 15193 transitions. [2021-08-25 22:11:20,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:20,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 331 [2021-08-25 22:11:20,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:20,905 INFO L225 Difference]: With dead ends: 12758 [2021-08-25 22:11:20,905 INFO L226 Difference]: Without dead ends: 7581 [2021-08-25 22:11:20,909 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:20,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7581 states. [2021-08-25 22:11:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7581 to 7579. [2021-08-25 22:11:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.1421219319081553) internal successors, (8655), 7578 states have internal predecessors, (8655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8655 transitions. [2021-08-25 22:11:20,973 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8655 transitions. Word has length 331 [2021-08-25 22:11:20,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:20,974 INFO L470 AbstractCegarLoop]: Abstraction has 7579 states and 8655 transitions. [2021-08-25 22:11:20,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8655 transitions. [2021-08-25 22:11:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-08-25 22:11:20,977 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:20,978 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:11:20,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:11:20,978 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:20,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1024558271, now seen corresponding path program 1 times [2021-08-25 22:11:20,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:20,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007874178] [2021-08-25 22:11:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:20,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-08-25 22:11:21,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:21,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007874178] [2021-08-25 22:11:21,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007874178] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:21,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:21,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:11:21,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267713384] [2021-08-25 22:11:21,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:21,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:21,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:21,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:21,083 INFO L87 Difference]: Start difference. First operand 7579 states and 8655 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:23,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:23,175 INFO L93 Difference]: Finished difference Result 16956 states and 19716 transitions. [2021-08-25 22:11:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:23,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 390 [2021-08-25 22:11:23,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:23,236 INFO L225 Difference]: With dead ends: 16956 [2021-08-25 22:11:23,236 INFO L226 Difference]: Without dead ends: 9678 [2021-08-25 22:11:23,242 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:23,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9678 states. [2021-08-25 22:11:23,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9678 to 8781. [2021-08-25 22:11:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8781 states, 8780 states have (on average 1.1329157175398634) internal successors, (9947), 8780 states have internal predecessors, (9947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:23,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 9947 transitions. [2021-08-25 22:11:23,334 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 9947 transitions. Word has length 390 [2021-08-25 22:11:23,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:23,335 INFO L470 AbstractCegarLoop]: Abstraction has 8781 states and 9947 transitions. [2021-08-25 22:11:23,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:23,336 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 9947 transitions. [2021-08-25 22:11:23,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-08-25 22:11:23,339 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:23,340 INFO L512 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, 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] [2021-08-25 22:11:23,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:11:23,340 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:23,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:23,341 INFO L82 PathProgramCache]: Analyzing trace with hash -289447111, now seen corresponding path program 1 times [2021-08-25 22:11:23,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:23,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414414751] [2021-08-25 22:11:23,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:23,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 83 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:23,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:23,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414414751] [2021-08-25 22:11:23,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414414751] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:11:23,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564498959] [2021-08-25 22:11:23,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:23,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:11:23,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:11:23,549 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) [2021-08-25 22:11:23,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 22:11:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:23,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-25 22:11:23,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:11:25,589 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:25,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564498959] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:11:25,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:11:25,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-25 22:11:25,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824596160] [2021-08-25 22:11:25,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:11:25,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:25,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:11:25,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:11:25,592 INFO L87 Difference]: Start difference. First operand 8781 states and 9947 transitions. Second operand has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:34,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:34,412 INFO L93 Difference]: Finished difference Result 29018 states and 33373 transitions. [2021-08-25 22:11:34,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:11:34,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 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 391 [2021-08-25 22:11:34,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:34,438 INFO L225 Difference]: With dead ends: 29018 [2021-08-25 22:11:34,438 INFO L226 Difference]: Without dead ends: 20538 [2021-08-25 22:11:34,446 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 51.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:11:34,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20538 states. [2021-08-25 22:11:34,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20538 to 15979. [2021-08-25 22:11:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15979 states, 15978 states have (on average 1.1446363750156465) internal successors, (18289), 15978 states have internal predecessors, (18289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:34,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15979 states to 15979 states and 18289 transitions. [2021-08-25 22:11:34,629 INFO L78 Accepts]: Start accepts. Automaton has 15979 states and 18289 transitions. Word has length 391 [2021-08-25 22:11:34,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:34,630 INFO L470 AbstractCegarLoop]: Abstraction has 15979 states and 18289 transitions. [2021-08-25 22:11:34,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:34,630 INFO L276 IsEmpty]: Start isEmpty. Operand 15979 states and 18289 transitions. [2021-08-25 22:11:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-08-25 22:11:34,633 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:34,633 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:11:34,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-08-25 22:11:34,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:11:34,852 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:34,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:34,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1742089541, now seen corresponding path program 1 times [2021-08-25 22:11:34,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:34,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498210216] [2021-08-25 22:11:34,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:34,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:34,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:34,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498210216] [2021-08-25 22:11:34,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498210216] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:34,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:34,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:11:34,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011163092] [2021-08-25 22:11:34,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:34,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:34,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:34,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:34,960 INFO L87 Difference]: Start difference. First operand 15979 states and 18289 transitions. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:37,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:37,308 INFO L93 Difference]: Finished difference Result 34957 states and 40727 transitions. [2021-08-25 22:11:37,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:37,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 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 409 [2021-08-25 22:11:37,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:37,333 INFO L225 Difference]: With dead ends: 34957 [2021-08-25 22:11:37,333 INFO L226 Difference]: Without dead ends: 19279 [2021-08-25 22:11:37,345 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:37,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19279 states. [2021-08-25 22:11:37,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19279 to 17171. [2021-08-25 22:11:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17171 states, 17170 states have (on average 1.1408270238788585) internal successors, (19588), 17170 states have internal predecessors, (19588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17171 states to 17171 states and 19588 transitions. [2021-08-25 22:11:37,505 INFO L78 Accepts]: Start accepts. Automaton has 17171 states and 19588 transitions. Word has length 409 [2021-08-25 22:11:37,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:37,505 INFO L470 AbstractCegarLoop]: Abstraction has 17171 states and 19588 transitions. [2021-08-25 22:11:37,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 17171 states and 19588 transitions. [2021-08-25 22:11:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-08-25 22:11:37,508 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:37,509 INFO L512 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:37,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:11:37,509 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:37,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:37,510 INFO L82 PathProgramCache]: Analyzing trace with hash -377920542, now seen corresponding path program 1 times [2021-08-25 22:11:37,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:37,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493280208] [2021-08-25 22:11:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:37,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 263 proven. 39 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 22:11:37,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:37,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493280208] [2021-08-25 22:11:37,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493280208] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:11:37,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836936447] [2021-08-25 22:11:37,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:37,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:11:37,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:11:37,733 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) [2021-08-25 22:11:37,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 22:11:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:38,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-25 22:11:38,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:11:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 263 proven. 39 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 22:11:40,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836936447] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:11:40,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:11:40,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-25 22:11:40,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211133189] [2021-08-25 22:11:40,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:11:40,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:40,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:11:40,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:11:40,752 INFO L87 Difference]: Start difference. First operand 17171 states and 19588 transitions. Second operand has 7 states, 7 states have (on average 78.57142857142857) internal successors, (550), 6 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:47,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:47,602 INFO L93 Difference]: Finished difference Result 44610 states and 50818 transitions. [2021-08-25 22:11:47,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-25 22:11:47,603 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 78.57142857142857) internal successors, (550), 6 states have internal predecessors, (550), 0 states have call successors, (0), 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 447 [2021-08-25 22:11:47,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:47,655 INFO L225 Difference]: With dead ends: 44610 [2021-08-25 22:11:47,656 INFO L226 Difference]: Without dead ends: 21058 [2021-08-25 22:11:47,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 80.6ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-25 22:11:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21058 states. [2021-08-25 22:11:47,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21058 to 18654. [2021-08-25 22:11:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18654 states, 18653 states have (on average 1.0957486731356887) internal successors, (20439), 18653 states have internal predecessors, (20439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18654 states to 18654 states and 20439 transitions. [2021-08-25 22:11:48,025 INFO L78 Accepts]: Start accepts. Automaton has 18654 states and 20439 transitions. Word has length 447 [2021-08-25 22:11:48,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:48,025 INFO L470 AbstractCegarLoop]: Abstraction has 18654 states and 20439 transitions. [2021-08-25 22:11:48,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 78.57142857142857) internal successors, (550), 6 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 18654 states and 20439 transitions. [2021-08-25 22:11:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-08-25 22:11:48,030 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:48,030 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:48,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 22:11:48,248 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,SelfDestructingSolverStorable10 [2021-08-25 22:11:48,248 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:48,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:48,249 INFO L82 PathProgramCache]: Analyzing trace with hash 319650045, now seen corresponding path program 1 times [2021-08-25 22:11:48,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:48,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200152430] [2021-08-25 22:11:48,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:48,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 42 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:48,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:48,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200152430] [2021-08-25 22:11:48,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200152430] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:11:48,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395604745] [2021-08-25 22:11:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:48,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:11:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:11:48,408 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) [2021-08-25 22:11:48,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 22:11:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:49,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:11:49,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:11:52,081 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 236 proven. 106 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 22:11:52,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395604745] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:11:52,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:11:52,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 6 [2021-08-25 22:11:52,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143688402] [2021-08-25 22:11:52,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:11:52,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:52,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:11:52,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:11:52,083 INFO L87 Difference]: Start difference. First operand 18654 states and 20439 transitions. Second operand has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:59,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:59,353 INFO L93 Difference]: Finished difference Result 52940 states and 57807 transitions. [2021-08-25 22:11:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-25 22:11:59,353 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 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 498 [2021-08-25 22:11:59,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:59,402 INFO L225 Difference]: With dead ends: 52940 [2021-08-25 22:11:59,403 INFO L226 Difference]: Without dead ends: 33690 [2021-08-25 22:11:59,416 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.3ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:11:59,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33690 states. [2021-08-25 22:11:59,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33690 to 25542. [2021-08-25 22:11:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25542 states, 25541 states have (on average 1.0989781136212364) internal successors, (28069), 25541 states have internal predecessors, (28069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25542 states to 25542 states and 28069 transitions. [2021-08-25 22:11:59,753 INFO L78 Accepts]: Start accepts. Automaton has 25542 states and 28069 transitions. Word has length 498 [2021-08-25 22:11:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:59,753 INFO L470 AbstractCegarLoop]: Abstraction has 25542 states and 28069 transitions. [2021-08-25 22:11:59,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 25542 states and 28069 transitions. [2021-08-25 22:11:59,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-08-25 22:11:59,759 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:59,760 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:59,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 22:11:59,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:11:59,977 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:59,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:59,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1407121983, now seen corresponding path program 1 times [2021-08-25 22:11:59,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:59,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241379171] [2021-08-25 22:11:59,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:59,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 125 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:00,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:00,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241379171] [2021-08-25 22:12:00,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241379171] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:00,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295816475] [2021-08-25 22:12:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:00,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:00,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:00,162 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) [2021-08-25 22:12:00,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 22:12:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:01,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 22:12:01,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 125 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:03,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295816475] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:03,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:12:03,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-25 22:12:03,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644938653] [2021-08-25 22:12:03,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-25 22:12:03,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:03,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-25 22:12:03,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:12:03,711 INFO L87 Difference]: Start difference. First operand 25542 states and 28069 transitions. Second operand has 8 states, 8 states have (on average 86.875) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:08,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:08,825 INFO L93 Difference]: Finished difference Result 58938 states and 64550 transitions. [2021-08-25 22:12:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 22:12:08,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 86.875) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 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 510 [2021-08-25 22:12:08,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:08,893 INFO L225 Difference]: With dead ends: 58938 [2021-08-25 22:12:08,893 INFO L226 Difference]: Without dead ends: 33099 [2021-08-25 22:12:08,910 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:12:08,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33099 states. [2021-08-25 22:12:09,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33099 to 26742. [2021-08-25 22:12:09,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26742 states, 26741 states have (on average 1.104147189708687) internal successors, (29526), 26741 states have internal predecessors, (29526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26742 states to 26742 states and 29526 transitions. [2021-08-25 22:12:09,332 INFO L78 Accepts]: Start accepts. Automaton has 26742 states and 29526 transitions. Word has length 510 [2021-08-25 22:12:09,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:09,332 INFO L470 AbstractCegarLoop]: Abstraction has 26742 states and 29526 transitions. [2021-08-25 22:12:09,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 86.875) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 26742 states and 29526 transitions. [2021-08-25 22:12:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-08-25 22:12:09,336 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:09,337 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:09,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 22:12:09,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:09,553 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:09,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:09,554 INFO L82 PathProgramCache]: Analyzing trace with hash -689976301, now seen corresponding path program 1 times [2021-08-25 22:12:09,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:09,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149614131] [2021-08-25 22:12:09,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:09,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-08-25 22:12:09,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:09,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149614131] [2021-08-25 22:12:09,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149614131] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:09,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:09,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:09,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579647593] [2021-08-25 22:12:09,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:09,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:09,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:09,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:09,700 INFO L87 Difference]: Start difference. First operand 26742 states and 29526 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:11,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:11,425 INFO L93 Difference]: Finished difference Result 57707 states and 63696 transitions. [2021-08-25 22:12:11,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:11,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 533 [2021-08-25 22:12:11,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:11,455 INFO L225 Difference]: With dead ends: 57707 [2021-08-25 22:12:11,456 INFO L226 Difference]: Without dead ends: 30967 [2021-08-25 22:12:11,472 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:11,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30967 states. [2021-08-25 22:12:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30967 to 28855. [2021-08-25 22:12:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28855 states, 28854 states have (on average 1.0983225895889652) internal successors, (31691), 28854 states have internal predecessors, (31691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28855 states to 28855 states and 31691 transitions. [2021-08-25 22:12:11,963 INFO L78 Accepts]: Start accepts. Automaton has 28855 states and 31691 transitions. Word has length 533 [2021-08-25 22:12:11,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:11,963 INFO L470 AbstractCegarLoop]: Abstraction has 28855 states and 31691 transitions. [2021-08-25 22:12:11,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 28855 states and 31691 transitions. [2021-08-25 22:12:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-08-25 22:12:11,990 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:11,991 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-25 22:12:11,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:12:11,991 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:11,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1613984445, now seen corresponding path program 1 times [2021-08-25 22:12:11,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:11,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537512311] [2021-08-25 22:12:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:11,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 126 proven. 308 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-08-25 22:12:12,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:12,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537512311] [2021-08-25 22:12:12,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537512311] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:12,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586699349] [2021-08-25 22:12:12,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:12,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:12,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:12,377 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) [2021-08-25 22:12:12,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 22:12:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:14,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:12:14,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2021-08-25 22:12:16,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586699349] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:16,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:12:16,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-25 22:12:16,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819273700] [2021-08-25 22:12:16,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:16,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:16,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:16,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:12:16,117 INFO L87 Difference]: Start difference. First operand 28855 states and 31691 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:17,741 INFO L93 Difference]: Finished difference Result 56498 states and 62122 transitions. [2021-08-25 22:12:17,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:17,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 598 [2021-08-25 22:12:17,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:17,767 INFO L225 Difference]: With dead ends: 56498 [2021-08-25 22:12:17,768 INFO L226 Difference]: Without dead ends: 27645 [2021-08-25 22:12:17,784 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.9ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:12:17,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27645 states. [2021-08-25 22:12:17,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27645 to 25249. [2021-08-25 22:12:17,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25249 states, 25248 states have (on average 1.0574302915082383) internal successors, (26698), 25248 states have internal predecessors, (26698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:18,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25249 states to 25249 states and 26698 transitions. [2021-08-25 22:12:18,021 INFO L78 Accepts]: Start accepts. Automaton has 25249 states and 26698 transitions. Word has length 598 [2021-08-25 22:12:18,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:18,022 INFO L470 AbstractCegarLoop]: Abstraction has 25249 states and 26698 transitions. [2021-08-25 22:12:18,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:18,022 INFO L276 IsEmpty]: Start isEmpty. Operand 25249 states and 26698 transitions. [2021-08-25 22:12:18,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-08-25 22:12:18,030 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:18,031 INFO L512 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:18,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-25 22:12:18,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-25 22:12:18,250 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:18,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:18,251 INFO L82 PathProgramCache]: Analyzing trace with hash 588763416, now seen corresponding path program 1 times [2021-08-25 22:12:18,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:18,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909224359] [2021-08-25 22:12:18,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:18,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-08-25 22:12:18,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:18,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909224359] [2021-08-25 22:12:18,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909224359] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:18,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:18,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:12:18,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074146005] [2021-08-25 22:12:18,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:12:18,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:18,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:12:18,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:12:18,510 INFO L87 Difference]: Start difference. First operand 25249 states and 26698 transitions. Second operand has 4 states, 4 states have (on average 95.25) internal successors, (381), 4 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:21,298 INFO L93 Difference]: Finished difference Result 58308 states and 61657 transitions. [2021-08-25 22:12:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:12:21,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 95.25) internal successors, (381), 4 states have internal predecessors, (381), 0 states have call successors, (0), 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 626 [2021-08-25 22:12:21,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:21,333 INFO L225 Difference]: With dead ends: 58308 [2021-08-25 22:12:21,334 INFO L226 Difference]: Without dead ends: 33061 [2021-08-25 22:12:21,350 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:12:21,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33061 states. [2021-08-25 22:12:21,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33061 to 27348. [2021-08-25 22:12:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27348 states, 27347 states have (on average 1.0592021062639412) internal successors, (28966), 27347 states have internal predecessors, (28966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27348 states to 27348 states and 28966 transitions. [2021-08-25 22:12:21,634 INFO L78 Accepts]: Start accepts. Automaton has 27348 states and 28966 transitions. Word has length 626 [2021-08-25 22:12:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:21,635 INFO L470 AbstractCegarLoop]: Abstraction has 27348 states and 28966 transitions. [2021-08-25 22:12:21,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.25) internal successors, (381), 4 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 27348 states and 28966 transitions. [2021-08-25 22:12:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2021-08-25 22:12:21,642 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:21,642 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:21,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:12:21,642 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:21,643 INFO L82 PathProgramCache]: Analyzing trace with hash -623330870, now seen corresponding path program 1 times [2021-08-25 22:12:21,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:21,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673223191] [2021-08-25 22:12:21,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:21,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-08-25 22:12:21,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:21,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673223191] [2021-08-25 22:12:21,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673223191] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:21,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:21,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:21,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745470151] [2021-08-25 22:12:21,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:21,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:21,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:21,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:21,798 INFO L87 Difference]: Start difference. First operand 27348 states and 28966 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:23,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:23,495 INFO L93 Difference]: Finished difference Result 58295 states and 61761 transitions. [2021-08-25 22:12:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:23,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 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 632 [2021-08-25 22:12:23,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:23,525 INFO L225 Difference]: With dead ends: 58295 [2021-08-25 22:12:23,525 INFO L226 Difference]: Without dead ends: 30949 [2021-08-25 22:12:23,535 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30949 states. [2021-08-25 22:12:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30949 to 30339. [2021-08-25 22:12:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30339 states, 30338 states have (on average 1.051783242138572) internal successors, (31909), 30338 states have internal predecessors, (31909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30339 states to 30339 states and 31909 transitions. [2021-08-25 22:12:23,808 INFO L78 Accepts]: Start accepts. Automaton has 30339 states and 31909 transitions. Word has length 632 [2021-08-25 22:12:23,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:23,808 INFO L470 AbstractCegarLoop]: Abstraction has 30339 states and 31909 transitions. [2021-08-25 22:12:23,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:23,808 INFO L276 IsEmpty]: Start isEmpty. Operand 30339 states and 31909 transitions. [2021-08-25 22:12:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2021-08-25 22:12:23,815 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:23,816 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:23,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:12:23,816 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:23,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:23,817 INFO L82 PathProgramCache]: Analyzing trace with hash -593093658, now seen corresponding path program 1 times [2021-08-25 22:12:23,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:23,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821750351] [2021-08-25 22:12:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:23,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2021-08-25 22:12:23,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:23,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821750351] [2021-08-25 22:12:23,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821750351] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:23,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:23,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:23,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34060429] [2021-08-25 22:12:23,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:23,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:23,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:23,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:23,960 INFO L87 Difference]: Start difference. First operand 30339 states and 31909 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:25,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:25,553 INFO L93 Difference]: Finished difference Result 65753 states and 69195 transitions. [2021-08-25 22:12:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:25,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 664 [2021-08-25 22:12:25,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:25,592 INFO L225 Difference]: With dead ends: 65753 [2021-08-25 22:12:25,592 INFO L226 Difference]: Without dead ends: 35416 [2021-08-25 22:12:25,613 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:25,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35416 states. [2021-08-25 22:12:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35416 to 33021. [2021-08-25 22:12:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33021 states, 33020 states have (on average 1.0441853422168383) internal successors, (34479), 33020 states have internal predecessors, (34479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:26,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33021 states to 33021 states and 34479 transitions. [2021-08-25 22:12:26,075 INFO L78 Accepts]: Start accepts. Automaton has 33021 states and 34479 transitions. Word has length 664 [2021-08-25 22:12:26,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:26,075 INFO L470 AbstractCegarLoop]: Abstraction has 33021 states and 34479 transitions. [2021-08-25 22:12:26,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:26,075 INFO L276 IsEmpty]: Start isEmpty. Operand 33021 states and 34479 transitions. [2021-08-25 22:12:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2021-08-25 22:12:26,083 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:26,083 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:26,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 22:12:26,083 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:26,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:26,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1435228887, now seen corresponding path program 1 times [2021-08-25 22:12:26,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:26,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559129559] [2021-08-25 22:12:26,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:26,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2021-08-25 22:12:26,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:26,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559129559] [2021-08-25 22:12:26,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559129559] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:26,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:26,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:26,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218573986] [2021-08-25 22:12:26,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:26,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:26,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:26,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:26,231 INFO L87 Difference]: Start difference. First operand 33021 states and 34479 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:27,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:27,615 INFO L93 Difference]: Finished difference Result 71122 states and 74228 transitions. [2021-08-25 22:12:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:27,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 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 684 [2021-08-25 22:12:27,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:27,653 INFO L225 Difference]: With dead ends: 71122 [2021-08-25 22:12:27,653 INFO L226 Difference]: Without dead ends: 38402 [2021-08-25 22:12:27,672 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:27,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38402 states. [2021-08-25 22:12:28,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38402 to 33020. [2021-08-25 22:12:28,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33020 states, 33019 states have (on average 1.043247827008692) internal successors, (34447), 33019 states have internal predecessors, (34447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33020 states to 33020 states and 34447 transitions. [2021-08-25 22:12:28,322 INFO L78 Accepts]: Start accepts. Automaton has 33020 states and 34447 transitions. Word has length 684 [2021-08-25 22:12:28,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:28,326 INFO L470 AbstractCegarLoop]: Abstraction has 33020 states and 34447 transitions. [2021-08-25 22:12:28,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 33020 states and 34447 transitions. [2021-08-25 22:12:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2021-08-25 22:12:28,337 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:28,338 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:28,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 22:12:28,339 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:28,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:28,339 INFO L82 PathProgramCache]: Analyzing trace with hash -749809954, now seen corresponding path program 1 times [2021-08-25 22:12:28,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:28,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398024345] [2021-08-25 22:12:28,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:28,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2021-08-25 22:12:28,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:28,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398024345] [2021-08-25 22:12:28,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398024345] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:28,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:28,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:28,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862846447] [2021-08-25 22:12:28,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:28,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:28,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:28,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:28,528 INFO L87 Difference]: Start difference. First operand 33020 states and 34447 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:29,970 INFO L93 Difference]: Finished difference Result 73233 states and 76390 transitions. [2021-08-25 22:12:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:29,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 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 732 [2021-08-25 22:12:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:30,010 INFO L225 Difference]: With dead ends: 73233 [2021-08-25 22:12:30,010 INFO L226 Difference]: Without dead ends: 40514 [2021-08-25 22:12:30,030 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:30,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40514 states. [2021-08-25 22:12:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40514 to 37216. [2021-08-25 22:12:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37216 states, 37215 states have (on average 1.0371624345022168) internal successors, (38598), 37215 states have internal predecessors, (38598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37216 states to 37216 states and 38598 transitions. [2021-08-25 22:12:30,621 INFO L78 Accepts]: Start accepts. Automaton has 37216 states and 38598 transitions. Word has length 732 [2021-08-25 22:12:30,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:30,622 INFO L470 AbstractCegarLoop]: Abstraction has 37216 states and 38598 transitions. [2021-08-25 22:12:30,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 37216 states and 38598 transitions. [2021-08-25 22:12:30,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2021-08-25 22:12:30,637 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:30,637 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:30,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 22:12:30,638 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:30,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:30,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1624795776, now seen corresponding path program 1 times [2021-08-25 22:12:30,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:30,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679435943] [2021-08-25 22:12:30,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:30,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 610 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-08-25 22:12:30,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:30,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679435943] [2021-08-25 22:12:30,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679435943] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:30,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:30,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 22:12:30,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161701121] [2021-08-25 22:12:30,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 22:12:30,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:30,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 22:12:30,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:12:30,839 INFO L87 Difference]: Start difference. First operand 37216 states and 38598 transitions. Second operand has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:34,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:34,371 INFO L93 Difference]: Finished difference Result 85253 states and 88387 transitions. [2021-08-25 22:12:34,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:12:34,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 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 745 [2021-08-25 22:12:34,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:34,419 INFO L225 Difference]: With dead ends: 85253 [2021-08-25 22:12:34,419 INFO L226 Difference]: Without dead ends: 48039 [2021-08-25 22:12:34,441 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:12:34,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48039 states. [2021-08-25 22:12:34,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48039 to 37814. [2021-08-25 22:12:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37814 states, 37813 states have (on average 1.0368127363605109) internal successors, (39205), 37813 states have internal predecessors, (39205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37814 states to 37814 states and 39205 transitions. [2021-08-25 22:12:34,890 INFO L78 Accepts]: Start accepts. Automaton has 37814 states and 39205 transitions. Word has length 745 [2021-08-25 22:12:34,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:34,890 INFO L470 AbstractCegarLoop]: Abstraction has 37814 states and 39205 transitions. [2021-08-25 22:12:34,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 37814 states and 39205 transitions. [2021-08-25 22:12:34,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2021-08-25 22:12:34,902 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:34,903 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:34,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 22:12:34,903 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:34,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:34,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1484171258, now seen corresponding path program 1 times [2021-08-25 22:12:34,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:34,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750634206] [2021-08-25 22:12:34,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:34,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2021-08-25 22:12:35,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:35,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750634206] [2021-08-25 22:12:35,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750634206] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:35,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:35,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:35,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58117747] [2021-08-25 22:12:35,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:35,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:35,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:35,168 INFO L87 Difference]: Start difference. First operand 37814 states and 39205 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:36,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:36,902 INFO L93 Difference]: Finished difference Result 78627 states and 81498 transitions. [2021-08-25 22:12:36,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:36,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 769 [2021-08-25 22:12:36,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:36,939 INFO L225 Difference]: With dead ends: 78627 [2021-08-25 22:12:36,940 INFO L226 Difference]: Without dead ends: 40815 [2021-08-25 22:12:36,955 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:36,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40815 states. [2021-08-25 22:12:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40815 to 35102. [2021-08-25 22:12:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35102 states, 35101 states have (on average 1.035440585738298) internal successors, (36345), 35101 states have internal predecessors, (36345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35102 states to 35102 states and 36345 transitions. [2021-08-25 22:12:37,304 INFO L78 Accepts]: Start accepts. Automaton has 35102 states and 36345 transitions. Word has length 769 [2021-08-25 22:12:37,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:37,304 INFO L470 AbstractCegarLoop]: Abstraction has 35102 states and 36345 transitions. [2021-08-25 22:12:37,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:37,305 INFO L276 IsEmpty]: Start isEmpty. Operand 35102 states and 36345 transitions. [2021-08-25 22:12:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2021-08-25 22:12:37,319 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:37,320 INFO L512 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-08-25 22:12:37,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 22:12:37,320 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:37,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:37,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1620991043, now seen corresponding path program 1 times [2021-08-25 22:12:37,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:37,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511875454] [2021-08-25 22:12:37,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:37,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 769 proven. 0 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2021-08-25 22:12:37,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:37,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511875454] [2021-08-25 22:12:37,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511875454] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:37,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:37,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:37,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151972033] [2021-08-25 22:12:37,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:37,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:37,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:37,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:37,534 INFO L87 Difference]: Start difference. First operand 35102 states and 36345 transitions. Second operand has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:38,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:38,987 INFO L93 Difference]: Finished difference Result 70200 states and 72697 transitions. [2021-08-25 22:12:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:38,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 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 777 [2021-08-25 22:12:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:39,017 INFO L225 Difference]: With dead ends: 70200 [2021-08-25 22:12:39,018 INFO L226 Difference]: Without dead ends: 35399 [2021-08-25 22:12:39,025 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35399 states. [2021-08-25 22:12:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35399 to 35100. [2021-08-25 22:12:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35100 states, 35099 states have (on average 1.0353856235220376) internal successors, (36341), 35099 states have internal predecessors, (36341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35100 states to 35100 states and 36341 transitions. [2021-08-25 22:12:39,301 INFO L78 Accepts]: Start accepts. Automaton has 35100 states and 36341 transitions. Word has length 777 [2021-08-25 22:12:39,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:39,302 INFO L470 AbstractCegarLoop]: Abstraction has 35100 states and 36341 transitions. [2021-08-25 22:12:39,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 35100 states and 36341 transitions. [2021-08-25 22:12:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2021-08-25 22:12:39,316 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:39,317 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-25 22:12:39,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-25 22:12:39,317 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:39,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:39,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1830874439, now seen corresponding path program 1 times [2021-08-25 22:12:39,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:39,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944657024] [2021-08-25 22:12:39,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:39,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-08-25 22:12:39,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:39,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944657024] [2021-08-25 22:12:39,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944657024] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:39,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:39,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:39,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462961229] [2021-08-25 22:12:39,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:39,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:39,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:39,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:39,572 INFO L87 Difference]: Start difference. First operand 35100 states and 36341 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:40,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:40,961 INFO L93 Difference]: Finished difference Result 68988 states and 71409 transitions. [2021-08-25 22:12:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:40,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 834 [2021-08-25 22:12:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:40,991 INFO L225 Difference]: With dead ends: 68988 [2021-08-25 22:12:40,991 INFO L226 Difference]: Without dead ends: 34189 [2021-08-25 22:12:41,012 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:41,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34189 states. [2021-08-25 22:12:41,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34189 to 33291. [2021-08-25 22:12:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33291 states, 33290 states have (on average 1.0293481525983779) internal successors, (34267), 33290 states have internal predecessors, (34267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33291 states to 33291 states and 34267 transitions. [2021-08-25 22:12:41,425 INFO L78 Accepts]: Start accepts. Automaton has 33291 states and 34267 transitions. Word has length 834 [2021-08-25 22:12:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:41,426 INFO L470 AbstractCegarLoop]: Abstraction has 33291 states and 34267 transitions. [2021-08-25 22:12:41,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 33291 states and 34267 transitions. [2021-08-25 22:12:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1024 [2021-08-25 22:12:41,444 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:41,444 INFO L512 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:41,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 22:12:41,445 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:41,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:41,445 INFO L82 PathProgramCache]: Analyzing trace with hash 38829710, now seen corresponding path program 1 times [2021-08-25 22:12:41,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:41,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058872510] [2021-08-25 22:12:41,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:41,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 1044 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2021-08-25 22:12:41,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:41,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058872510] [2021-08-25 22:12:41,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058872510] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:41,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:41,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:41,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012859100] [2021-08-25 22:12:41,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:41,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:41,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:41,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:41,675 INFO L87 Difference]: Start difference. First operand 33291 states and 34267 transitions. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:42,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:42,905 INFO L93 Difference]: Finished difference Result 53687 states and 55138 transitions. [2021-08-25 22:12:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:42,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 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 1023 [2021-08-25 22:12:42,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:42,921 INFO L225 Difference]: With dead ends: 53687 [2021-08-25 22:12:42,921 INFO L226 Difference]: Without dead ends: 20697 [2021-08-25 22:12:42,934 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20697 states. [2021-08-25 22:12:43,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20697 to 18592. [2021-08-25 22:12:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18592 states, 18591 states have (on average 1.0228605239094186) internal successors, (19016), 18591 states have internal predecessors, (19016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18592 states to 18592 states and 19016 transitions. [2021-08-25 22:12:43,080 INFO L78 Accepts]: Start accepts. Automaton has 18592 states and 19016 transitions. Word has length 1023 [2021-08-25 22:12:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:43,081 INFO L470 AbstractCegarLoop]: Abstraction has 18592 states and 19016 transitions. [2021-08-25 22:12:43,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 18592 states and 19016 transitions. [2021-08-25 22:12:43,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1039 [2021-08-25 22:12:43,098 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:43,098 INFO L512 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:43,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-25 22:12:43,098 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:43,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:43,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1599688829, now seen corresponding path program 1 times [2021-08-25 22:12:43,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:43,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366255345] [2021-08-25 22:12:43,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:43,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 682 proven. 0 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-08-25 22:12:43,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:43,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366255345] [2021-08-25 22:12:43,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366255345] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:43,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:43,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:12:43,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653131578] [2021-08-25 22:12:43,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:12:43,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:43,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:12:43,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:12:43,329 INFO L87 Difference]: Start difference. First operand 18592 states and 19016 transitions. Second operand has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:45,209 INFO L93 Difference]: Finished difference Result 22190 states and 22709 transitions. [2021-08-25 22:12:45,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:12:45,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 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 1038 [2021-08-25 22:12:45,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:45,226 INFO L225 Difference]: With dead ends: 22190 [2021-08-25 22:12:45,227 INFO L226 Difference]: Without dead ends: 21889 [2021-08-25 22:12:45,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:12:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21889 states. [2021-08-25 22:12:45,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21889 to 19788. [2021-08-25 22:12:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19788 states, 19787 states have (on average 1.0234497397281044) internal successors, (20251), 19787 states have internal predecessors, (20251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19788 states to 19788 states and 20251 transitions. [2021-08-25 22:12:45,388 INFO L78 Accepts]: Start accepts. Automaton has 19788 states and 20251 transitions. Word has length 1038 [2021-08-25 22:12:45,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:45,389 INFO L470 AbstractCegarLoop]: Abstraction has 19788 states and 20251 transitions. [2021-08-25 22:12:45,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 19788 states and 20251 transitions. [2021-08-25 22:12:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1090 [2021-08-25 22:12:45,416 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:45,416 INFO L512 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:45,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-25 22:12:45,417 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:45,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:45,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1195491922, now seen corresponding path program 1 times [2021-08-25 22:12:45,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:45,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376547537] [2021-08-25 22:12:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:45,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 835 proven. 0 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-08-25 22:12:45,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:45,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376547537] [2021-08-25 22:12:45,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376547537] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:45,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:45,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:12:45,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001965374] [2021-08-25 22:12:45,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:12:45,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:45,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:12:45,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:12:45,711 INFO L87 Difference]: Start difference. First operand 19788 states and 20251 transitions. Second operand has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:47,586 INFO L93 Difference]: Finished difference Result 21891 states and 22406 transitions. [2021-08-25 22:12:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:12:47,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 states have internal predecessors, (514), 0 states have call successors, (0), 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 1089 [2021-08-25 22:12:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:47,604 INFO L225 Difference]: With dead ends: 21891 [2021-08-25 22:12:47,604 INFO L226 Difference]: Without dead ends: 21590 [2021-08-25 22:12:47,608 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:12:47,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21590 states. [2021-08-25 22:12:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21590 to 17994. [2021-08-25 22:12:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17994 states, 17993 states have (on average 1.0230089479241928) internal successors, (18407), 17993 states have internal predecessors, (18407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17994 states to 17994 states and 18407 transitions. [2021-08-25 22:12:47,747 INFO L78 Accepts]: Start accepts. Automaton has 17994 states and 18407 transitions. Word has length 1089 [2021-08-25 22:12:47,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:47,748 INFO L470 AbstractCegarLoop]: Abstraction has 17994 states and 18407 transitions. [2021-08-25 22:12:47,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 17994 states and 18407 transitions. [2021-08-25 22:12:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1297 [2021-08-25 22:12:47,768 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:47,769 INFO L512 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:47,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-25 22:12:47,769 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:47,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:47,770 INFO L82 PathProgramCache]: Analyzing trace with hash -417495319, now seen corresponding path program 1 times [2021-08-25 22:12:47,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:47,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347812509] [2021-08-25 22:12:47,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:47,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3018 backedges. 2070 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2021-08-25 22:12:48,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:48,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347812509] [2021-08-25 22:12:48,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347812509] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:48,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:48,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:48,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326678045] [2021-08-25 22:12:48,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:48,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:48,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:48,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:48,032 INFO L87 Difference]: Start difference. First operand 17994 states and 18407 transitions. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:49,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:49,226 INFO L93 Difference]: Finished difference Result 38973 states and 39871 transitions. [2021-08-25 22:12:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:49,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 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 1296 [2021-08-25 22:12:49,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:49,245 INFO L225 Difference]: With dead ends: 38973 [2021-08-25 22:12:49,245 INFO L226 Difference]: Without dead ends: 21280 [2021-08-25 22:12:49,256 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21280 states. [2021-08-25 22:12:49,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21280 to 16197. [2021-08-25 22:12:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16197 states, 16196 states have (on average 1.0192022721659668) internal successors, (16507), 16196 states have internal predecessors, (16507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16197 states to 16197 states and 16507 transitions. [2021-08-25 22:12:49,402 INFO L78 Accepts]: Start accepts. Automaton has 16197 states and 16507 transitions. Word has length 1296 [2021-08-25 22:12:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:49,402 INFO L470 AbstractCegarLoop]: Abstraction has 16197 states and 16507 transitions. [2021-08-25 22:12:49,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 16197 states and 16507 transitions. [2021-08-25 22:12:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1309 [2021-08-25 22:12:49,423 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:49,424 INFO L512 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:49,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-25 22:12:49,425 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:49,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:49,426 INFO L82 PathProgramCache]: Analyzing trace with hash -865096868, now seen corresponding path program 1 times [2021-08-25 22:12:49,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:49,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576352140] [2021-08-25 22:12:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:49,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1843 proven. 329 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-08-25 22:12:49,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:49,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576352140] [2021-08-25 22:12:49,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576352140] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:49,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048471910] [2021-08-25 22:12:49,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:49,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:49,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:49,813 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) [2021-08-25 22:12:49,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-25 22:12:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:52,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1508 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 22:12:52,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1663 proven. 42 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-08-25 22:12:57,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048471910] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:57,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:12:57,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-08-25 22:12:57,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640389569] [2021-08-25 22:12:57,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-25 22:12:57,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:57,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-25 22:12:57,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:12:57,150 INFO L87 Difference]: Start difference. First operand 16197 states and 16507 transitions. Second operand has 9 states, 9 states have (on average 130.11111111111111) internal successors, (1171), 9 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:01,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:01,348 INFO L93 Difference]: Finished difference Result 39897 states and 40651 transitions. [2021-08-25 22:13:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:13:01,349 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 130.11111111111111) internal successors, (1171), 9 states have internal predecessors, (1171), 0 states have call successors, (0), 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 1308 [2021-08-25 22:13:01,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:01,365 INFO L225 Difference]: With dead ends: 39897 [2021-08-25 22:13:01,366 INFO L226 Difference]: Without dead ends: 23702 [2021-08-25 22:13:01,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1313 GetRequests, 1306 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 40.6ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:13:01,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23702 states. [2021-08-25 22:13:01,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23702 to 15900. [2021-08-25 22:13:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15900 states, 15899 states have (on average 1.0189949053399585) internal successors, (16201), 15899 states have internal predecessors, (16201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15900 states to 15900 states and 16201 transitions. [2021-08-25 22:13:01,515 INFO L78 Accepts]: Start accepts. Automaton has 15900 states and 16201 transitions. Word has length 1308 [2021-08-25 22:13:01,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:01,516 INFO L470 AbstractCegarLoop]: Abstraction has 15900 states and 16201 transitions. [2021-08-25 22:13:01,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 130.11111111111111) internal successors, (1171), 9 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 15900 states and 16201 transitions. [2021-08-25 22:13:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1360 [2021-08-25 22:13:01,537 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:01,537 INFO L512 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:01,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-25 22:13:01,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-08-25 22:13:01,758 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:01,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:01,758 INFO L82 PathProgramCache]: Analyzing trace with hash -2081669835, now seen corresponding path program 1 times [2021-08-25 22:13:01,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:01,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951119502] [2021-08-25 22:13:01,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:01,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 2047 proven. 354 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-08-25 22:13:02,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:02,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951119502] [2021-08-25 22:13:02,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951119502] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:02,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85653443] [2021-08-25 22:13:02,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:02,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:02,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:02,124 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) [2021-08-25 22:13:02,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-25 22:13:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:05,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1559 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 22:13:05,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 1892 proven. 42 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-08-25 22:13:10,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85653443] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:10,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:13:10,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-08-25 22:13:10,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086706135] [2021-08-25 22:13:10,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-25 22:13:10,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:10,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-25 22:13:10,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:13:10,793 INFO L87 Difference]: Start difference. First operand 15900 states and 16201 transitions. Second operand has 9 states, 9 states have (on average 141.44444444444446) internal successors, (1273), 9 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:14,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:14,818 INFO L93 Difference]: Finished difference Result 23702 states and 24136 transitions. [2021-08-25 22:13:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:13:14,819 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 141.44444444444446) internal successors, (1273), 9 states have internal predecessors, (1273), 0 states have call successors, (0), 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 1359 [2021-08-25 22:13:14,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:14,841 INFO L225 Difference]: With dead ends: 23702 [2021-08-25 22:13:14,842 INFO L226 Difference]: Without dead ends: 23401 [2021-08-25 22:13:14,848 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1364 GetRequests, 1357 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 38.6ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:13:14,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23401 states. [2021-08-25 22:13:14,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23401 to 15302. [2021-08-25 22:13:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15302 states, 15301 states have (on average 1.0188876544016732) internal successors, (15590), 15301 states have internal predecessors, (15590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:15,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15302 states to 15302 states and 15590 transitions. [2021-08-25 22:13:15,023 INFO L78 Accepts]: Start accepts. Automaton has 15302 states and 15590 transitions. Word has length 1359 [2021-08-25 22:13:15,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:15,024 INFO L470 AbstractCegarLoop]: Abstraction has 15302 states and 15590 transitions. [2021-08-25 22:13:15,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 141.44444444444446) internal successors, (1273), 9 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 15302 states and 15590 transitions. [2021-08-25 22:13:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2021-08-25 22:13:15,049 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:15,049 INFO L512 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:13:15,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-25 22:13:15,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:15,272 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:15,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:15,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1264302932, now seen corresponding path program 1 times [2021-08-25 22:13:15,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:15,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627751637] [2021-08-25 22:13:15,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:15,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4112 backedges. 2657 proven. 0 refuted. 0 times theorem prover too weak. 1455 trivial. 0 not checked. [2021-08-25 22:13:15,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:15,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627751637] [2021-08-25 22:13:15,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627751637] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:15,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:15,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:15,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021429167] [2021-08-25 22:13:15,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:15,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:15,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:15,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:15,712 INFO L87 Difference]: Start difference. First operand 15302 states and 15590 transitions. Second operand has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:16,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:16,776 INFO L93 Difference]: Finished difference Result 29399 states and 29965 transitions. [2021-08-25 22:13:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:16,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 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 1530 [2021-08-25 22:13:16,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:16,779 INFO L225 Difference]: With dead ends: 29399 [2021-08-25 22:13:16,779 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:13:16,787 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:16,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:13:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:13:16,788 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) [2021-08-25 22:13:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:13:16,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1530 [2021-08-25 22:13:16,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:16,788 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:13:16,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:13:16,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:13:16,803 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:13:16,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-25 22:13:16,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:13:16,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:16,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:18,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:18,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:34,250 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,250 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,250 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,250 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:13:34,251 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:13:34,252 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,253 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,254 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,255 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,256 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:13:34,257 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:13:34,258 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,259 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,260 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,261 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,262 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:13:34,263 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:13:34,264 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,265 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,266 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,267 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:13:34,268 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,269 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:13:34,270 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:13:34,271 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:13:34,272 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,273 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,274 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,275 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,276 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,276 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse28 (+ ~a0~0 147)) (.cse27 (+ ~a29~0 127))) (let ((.cse17 (<= 0 (+ 97 ~a0~0))) (.cse13 (= ~a2~0 4)) (.cse19 (<= (+ ~a0~0 150) 0)) (.cse15 (<= (+ ~a29~0 16) 0)) (.cse22 (<= .cse27 0)) (.cse12 (<= .cse28 0)) (.cse7 (<= ~a29~0 599999)) (.cse11 (<= ~a29~0 599998)) (.cse0 (<= ~a29~0 4455)) (.cse21 (<= ~a29~0 41)) (.cse1 (= 2 ~a2~0)) (.cse3 (< 0 .cse26)) (.cse23 (< 0 .cse28)) (.cse18 (= ~a2~0 1)) (.cse4 (< 43 ~a29~0)) (.cse16 (<= (+ ~a0~0 61) 0)) (.cse25 (<= 44 ~a29~0)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= ~a29~0 96178)) (.cse8 (<= 0 .cse27)) (.cse9 (<= 5 ~a2~0)) (.cse24 (<= ~a29~0 135549)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse20 (= 3 ~a2~0)) (.cse14 (<= ~a29~0 43))) (or (and .cse0 .cse1 .cse2 (<= (+ ~a29~0 153400) 0)) (and .cse3 .cse4 .cse5 .cse1 .cse6 .cse7) (and (or (and .cse5 .cse8 .cse9 .cse10) (and .cse3 .cse5 .cse9 .cse11)) .cse12) (and .cse2 .cse13 .cse14) (and .cse2 .cse15 .cse16) (and .cse17 .cse5 .cse18 .cse15 .cse16) (and .cse5 (or (and (<= (+ 19 ~a29~0) 0) .cse19 .cse13) (and .cse3 .cse19 .cse13 .cse15))) (and .cse17 .cse2 .cse16) (and .cse3 .cse5 .cse19 .cse7 .cse20) (and .cse3 .cse21 .cse5 .cse8 .cse18) (and .cse1 .cse2 (<= 0 (+ 44 ~a0~0)) .cse22) (and .cse4 .cse5 .cse18 .cse19 .cse11) (and .cse23 .cse5 (<= (+ ~a29~0 56603) 0) .cse18 .cse16) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse21 .cse2 .cse20) (and .cse21 .cse8 .cse2 .cse9 .cse10) (and .cse4 .cse1 .cse2 .cse11) (and .cse3 .cse5 .cse18 .cse19 .cse15) (and .cse2 .cse18 .cse22) (and .cse3 .cse5 .cse1 .cse12 (<= ~a29~0 533365)) (and .cse3 .cse23 .cse5 .cse6 .cse18 .cse7) (and .cse23 .cse24 .cse5 .cse6 .cse20) (and .cse4 .cse1 .cse6 .cse11) (and .cse25 .cse2 .cse11 .cse20) (and .cse3 .cse23 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse8 .cse2) (and .cse3 .cse21 .cse5 .cse1 .cse8 .cse6) (and .cse3 .cse23 .cse5 (<= ~a29~0 254659) .cse6 .cse20) (and .cse18 (<= .cse26 0) (<= (+ ~a29~0 401505) 0) .cse16) (and .cse4 .cse2 .cse16) (and .cse25 .cse8 .cse2 .cse9 .cse10) (and .cse5 .cse8 .cse6 .cse9 .cse14) (and .cse24 .cse5 .cse6 .cse20 .cse14)))) [2021-08-25 22:13:34,276 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:13:34,276 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:13:34,276 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,276 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:13:34,277 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-25 22:13:34,277 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,278 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,279 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,280 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse9 (+ ~a4~0 86)) (.cse28 (+ ~a0~0 147)) (.cse27 (+ ~a29~0 127))) (let ((.cse19 (<= 0 (+ 97 ~a0~0))) (.cse15 (= ~a2~0 4)) (.cse20 (<= (+ ~a0~0 150) 0)) (.cse17 (<= (+ ~a29~0 16) 0)) (.cse23 (<= .cse27 0)) (.cse14 (<= .cse28 0)) (.cse8 (= ~a2~0 1)) (.cse7 (<= ~a29~0 599999)) (.cse13 (<= ~a29~0 599998)) (.cse0 (<= ~a29~0 4455)) (.cse22 (<= ~a29~0 41)) (.cse1 (= 2 ~a2~0)) (.cse3 (< 0 .cse9)) (.cse24 (< 0 .cse28)) (.cse4 (< 43 ~a29~0)) (.cse18 (<= (+ ~a0~0 61) 0)) (.cse26 (<= 44 ~a29~0)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse12 (<= ~a29~0 96178)) (.cse10 (<= 0 .cse27)) (.cse11 (<= 5 ~a2~0)) (.cse25 (<= ~a29~0 135549)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse21 (= 3 ~a2~0)) (.cse16 (<= ~a29~0 43))) (or (and .cse0 .cse1 .cse2 (<= (+ ~a29~0 153400) 0)) (and .cse3 .cse4 .cse5 .cse1 .cse6 .cse7) (and .cse8 (<= .cse9 0) (<= (+ ~a29~0 401505) 0)) (and (or (and .cse5 .cse10 .cse11 .cse12) (and .cse3 .cse5 .cse11 .cse13)) .cse14) (and .cse2 .cse15 .cse16) (and .cse2 .cse17 .cse18) (and .cse19 .cse5 .cse8 .cse17 .cse18) (and .cse5 (or (and (<= (+ 19 ~a29~0) 0) .cse20 .cse15) (and .cse3 .cse20 .cse15 .cse17))) (and .cse19 .cse2 .cse18) (and .cse3 .cse5 .cse20 .cse7 .cse21) (and .cse3 .cse22 .cse5 .cse10 .cse8) (and .cse1 .cse2 (<= 0 (+ 44 ~a0~0)) .cse23) (and .cse4 .cse5 .cse8 .cse20 .cse13) (and .cse24 .cse5 (<= (+ ~a29~0 56603) 0) .cse8 .cse18) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse15) (and .cse22 .cse2 .cse21) (and .cse22 .cse10 .cse2 .cse11 .cse12) (and .cse4 .cse1 .cse2 .cse13) (and .cse3 .cse5 .cse8 .cse20 .cse17) (and .cse2 .cse8 .cse23) (and .cse3 .cse5 .cse1 .cse14 (<= ~a29~0 533365)) (and .cse3 .cse24 .cse5 .cse6 .cse8 .cse7) (and .cse24 .cse25 .cse5 .cse6 .cse21) (and .cse4 .cse1 .cse6 .cse13) (and .cse26 .cse2 .cse13 .cse21) (and .cse3 .cse24 .cse5 .cse6 .cse11) (and .cse0 .cse1 .cse10 .cse2) (and .cse3 .cse22 .cse5 .cse1 .cse10 .cse6) (and .cse3 .cse24 .cse5 (<= ~a29~0 254659) .cse6 .cse21) (and .cse4 .cse2 .cse18) (and .cse26 .cse10 .cse2 .cse11 .cse12) (and .cse5 .cse10 .cse6 .cse11 .cse16) (and .cse25 .cse5 .cse6 .cse21 .cse16)))) [2021-08-25 22:13:34,280 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,280 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:13:34,280 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:13:34,280 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,280 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,280 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,280 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,281 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,282 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,283 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,284 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,285 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,286 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,287 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,287 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,287 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse9 (+ ~a4~0 86)) (.cse28 (+ ~a0~0 147)) (.cse27 (+ ~a29~0 127))) (let ((.cse19 (<= 0 (+ 97 ~a0~0))) (.cse15 (= ~a2~0 4)) (.cse20 (<= (+ ~a0~0 150) 0)) (.cse17 (<= (+ ~a29~0 16) 0)) (.cse23 (<= .cse27 0)) (.cse14 (<= .cse28 0)) (.cse8 (= ~a2~0 1)) (.cse7 (<= ~a29~0 599999)) (.cse13 (<= ~a29~0 599998)) (.cse0 (<= ~a29~0 4455)) (.cse22 (<= ~a29~0 41)) (.cse1 (= 2 ~a2~0)) (.cse3 (< 0 .cse9)) (.cse24 (< 0 .cse28)) (.cse4 (< 43 ~a29~0)) (.cse18 (<= (+ ~a0~0 61) 0)) (.cse26 (<= 44 ~a29~0)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse12 (<= ~a29~0 96178)) (.cse10 (<= 0 .cse27)) (.cse11 (<= 5 ~a2~0)) (.cse25 (<= ~a29~0 135549)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse21 (= 3 ~a2~0)) (.cse16 (<= ~a29~0 43))) (or (and .cse0 .cse1 .cse2 (<= (+ ~a29~0 153400) 0)) (and .cse3 .cse4 .cse5 .cse1 .cse6 .cse7) (and .cse8 (<= .cse9 0) (<= (+ ~a29~0 401505) 0)) (and (or (and .cse5 .cse10 .cse11 .cse12) (and .cse3 .cse5 .cse11 .cse13)) .cse14) (and .cse2 .cse15 .cse16) (and .cse2 .cse17 .cse18) (and .cse19 .cse5 .cse8 .cse17 .cse18) (and .cse5 (or (and (<= (+ 19 ~a29~0) 0) .cse20 .cse15) (and .cse3 .cse20 .cse15 .cse17))) (and .cse19 .cse2 .cse18) (and .cse3 .cse5 .cse20 .cse7 .cse21) (and .cse3 .cse22 .cse5 .cse10 .cse8) (and .cse1 .cse2 (<= 0 (+ 44 ~a0~0)) .cse23) (and .cse4 .cse5 .cse8 .cse20 .cse13) (and .cse24 .cse5 (<= (+ ~a29~0 56603) 0) .cse8 .cse18) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse15) (and .cse22 .cse2 .cse21) (and .cse22 .cse10 .cse2 .cse11 .cse12) (and .cse4 .cse1 .cse2 .cse13) (and .cse3 .cse5 .cse8 .cse20 .cse17) (and .cse2 .cse8 .cse23) (and .cse3 .cse5 .cse1 .cse14 (<= ~a29~0 533365)) (and .cse3 .cse24 .cse5 .cse6 .cse8 .cse7) (and .cse24 .cse25 .cse5 .cse6 .cse21) (and .cse4 .cse1 .cse6 .cse13) (and .cse26 .cse2 .cse13 .cse21) (and .cse3 .cse24 .cse5 .cse6 .cse11) (and .cse0 .cse1 .cse10 .cse2) (and .cse3 .cse22 .cse5 .cse1 .cse10 .cse6) (and .cse3 .cse24 .cse5 (<= ~a29~0 254659) .cse6 .cse21) (and .cse4 .cse2 .cse18) (and .cse26 .cse10 .cse2 .cse11 .cse12) (and .cse5 .cse10 .cse6 .cse11 .cse16) (and .cse25 .cse5 .cse6 .cse21 .cse16)))) [2021-08-25 22:13:34,287 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:13:34,287 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:13:34,287 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,287 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,287 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,287 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:13:34,288 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,289 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,290 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,291 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,292 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:13:34,293 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-25 22:13:34,296 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:13:34,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:13:34 BoogieIcfgContainer [2021-08-25 22:13:34,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:13:34,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:13:34,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:13:34,320 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:13:34,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:11:03" (3/4) ... [2021-08-25 22:13:34,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:13:34,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:13:34,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:13:34,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:13:34,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:13:34,446 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:13:34,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:13:34,447 INFO L168 Benchmark]: Toolchain (without parser) took 154655.25 ms. Allocated memory was 75.5 MB in the beginning and 4.7 GB in the end (delta: 4.6 GB). Free memory was 45.6 MB in the beginning and 2.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. [2021-08-25 22:13:34,447 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 48.2 MB. Free memory was 29.7 MB in the beginning and 29.7 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:13:34,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.03 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 47.3 MB in the end (delta: -1.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:34,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.63 ms. Allocated memory is still 96.5 MB. Free memory was 47.3 MB in the beginning and 42.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:34,448 INFO L168 Benchmark]: Boogie Preprocessor took 153.05 ms. Allocated memory is still 96.5 MB. Free memory was 42.4 MB in the beginning and 32.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:34,448 INFO L168 Benchmark]: RCFGBuilder took 2377.37 ms. Allocated memory was 96.5 MB in the beginning and 245.4 MB in the end (delta: 148.9 MB). Free memory was 32.1 MB in the beginning and 97.3 MB in the end (delta: -65.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:34,448 INFO L168 Benchmark]: TraceAbstraction took 151053.76 ms. Allocated memory was 245.4 MB in the beginning and 4.7 GB in the end (delta: 4.4 GB). Free memory was 97.3 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. [2021-08-25 22:13:34,449 INFO L168 Benchmark]: Witness Printer took 126.02 ms. Allocated memory is still 4.7 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:34,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 48.2 MB. Free memory was 29.7 MB in the beginning and 29.7 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 771.03 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 47.3 MB in the end (delta: -1.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 168.63 ms. Allocated memory is still 96.5 MB. Free memory was 47.3 MB in the beginning and 42.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 153.05 ms. Allocated memory is still 96.5 MB. Free memory was 42.4 MB in the beginning and 32.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2377.37 ms. Allocated memory was 96.5 MB in the beginning and 245.4 MB in the end (delta: 148.9 MB). Free memory was 32.1 MB in the beginning and 97.3 MB in the end (delta: -65.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 151053.76 ms. Allocated memory was 245.4 MB in the beginning and 4.7 GB in the end (delta: 4.4 GB). Free memory was 97.3 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. * Witness Printer took 126.02 ms. Allocated memory is still 4.7 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 149]: 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: 150996.9ms, OverallIterations: 31, TraceHistogramMax: 8, EmptinessCheckTime: 330.3ms, AutomataDifference: 85736.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 17446.2ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7879 SDtfs, 17226 SDslu, 1808 SDs, 0 SdLazy, 53372 SolverSat, 7344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63358.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5216 GetRequests, 5143 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 415.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=37814occurred in iteration=21, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7292.5ms AutomataMinimizationTime, 31 MinimizatonAttempts, 92633 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 262 NumberOfFragments, 2091 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1496269 FormulaSimplificationTreeSizeReduction, 2731.8ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 2238562 FormulaSimplificationTreeSizeReductionInter, 14699.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 756.9ms SsaConstructionTime, 2400.5ms SatisfiabilityAnalysisTime, 26542.3ms InterpolantComputationTime, 25234 NumberOfCodeBlocks, 25234 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 25196 ConstructedInterpolants, 0 QuantifiedInterpolants, 64004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 6182 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 38 InterpolantComputations, 25 PerfectInterpolantSequences, 34497/36827 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: ((((((((((((((((((((((((((((((((((a29 <= 4455 && 2 == a2) && 89 + a4 <= 0) && a29 + 153400 <= 0) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 <= 599999)) || (((((42 + a4 <= 0 && 0 <= a29 + 127) && 5 <= a2) && a29 <= 96178) || (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 599998)) && a0 + 147 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((89 + a4 <= 0 && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (42 + a4 <= 0 && (((19 + a29 <= 0 && a0 + 150 <= 0) && a2 == 4) || (((0 < a4 + 86 && a0 + 150 <= 0) && a2 == 4) && a29 + 16 <= 0)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 150 <= 0) && a29 <= 599999) && 3 == a2)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || (((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 <= 599998)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 56603 <= 0) && a2 == 1) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 599999) && a2 == 4)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || ((((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((43 < a29 && 2 == a2) && 89 + a4 <= 0) && a29 <= 599998)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 + 16 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && a29 <= 533365)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 <= 599999)) || ((((0 < a0 + 147 && a29 <= 135549) && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 <= 599998)) || (((44 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && 3 == a2)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2)) || (((a29 <= 4455 && 2 == a2) && 0 <= a29 + 127) && 89 + a4 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && a29 <= 254659) && 98 + a0 <= 0) && 3 == a2)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((44 <= a29 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((42 + a4 <= 0 && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 43)) || ((((a29 <= 135549 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2) && a29 <= 43) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a29 <= 4455 && 2 == a2) && 89 + a4 <= 0) && a29 + 153400 <= 0) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 <= 599999)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || (((((42 + a4 <= 0 && 0 <= a29 + 127) && 5 <= a2) && a29 <= 96178) || (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 599998)) && a0 + 147 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((89 + a4 <= 0 && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (42 + a4 <= 0 && (((19 + a29 <= 0 && a0 + 150 <= 0) && a2 == 4) || (((0 < a4 + 86 && a0 + 150 <= 0) && a2 == 4) && a29 + 16 <= 0)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 150 <= 0) && a29 <= 599999) && 3 == a2)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || (((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 <= 599998)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 56603 <= 0) && a2 == 1) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 599999) && a2 == 4)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || ((((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((43 < a29 && 2 == a2) && 89 + a4 <= 0) && a29 <= 599998)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 + 16 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && a29 <= 533365)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 <= 599999)) || ((((0 < a0 + 147 && a29 <= 135549) && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 <= 599998)) || (((44 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && 3 == a2)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2)) || (((a29 <= 4455 && 2 == a2) && 0 <= a29 + 127) && 89 + a4 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && a29 <= 254659) && 98 + a0 <= 0) && 3 == a2)) || ((43 < a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((44 <= a29 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((42 + a4 <= 0 && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 43)) || ((((a29 <= 135549 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2) && a29 <= 43) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a29 <= 4455 && 2 == a2) && 89 + a4 <= 0) && a29 + 153400 <= 0) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 <= 599999)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || (((((42 + a4 <= 0 && 0 <= a29 + 127) && 5 <= a2) && a29 <= 96178) || (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 599998)) && a0 + 147 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((89 + a4 <= 0 && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (42 + a4 <= 0 && (((19 + a29 <= 0 && a0 + 150 <= 0) && a2 == 4) || (((0 < a4 + 86 && a0 + 150 <= 0) && a2 == 4) && a29 + 16 <= 0)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 150 <= 0) && a29 <= 599999) && 3 == a2)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || (((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 <= 599998)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 56603 <= 0) && a2 == 1) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 599999) && a2 == 4)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || ((((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((43 < a29 && 2 == a2) && 89 + a4 <= 0) && a29 <= 599998)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 + 16 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && a29 <= 533365)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 <= 599999)) || ((((0 < a0 + 147 && a29 <= 135549) && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 <= 599998)) || (((44 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && 3 == a2)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2)) || (((a29 <= 4455 && 2 == a2) && 0 <= a29 + 127) && 89 + a4 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && a29 <= 254659) && 98 + a0 <= 0) && 3 == a2)) || ((43 < a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((44 <= a29 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((42 + a4 <= 0 && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 43)) || ((((a29 <= 135549 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2) && a29 <= 43) RESULT: Ultimate proved your program to be correct! [2021-08-25 22:13:34,476 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...