./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label17.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_label17.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 2984602c57db58fdd6305a2fb53a6026fe92c212 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:12:47,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:12:47,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:12:47,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:12:47,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:12:47,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:12:47,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:12:47,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:12:47,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:12:47,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:12:47,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:12:47,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:12:47,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:12:47,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:12:47,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:12:47,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:12:47,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:12:47,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:12:47,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:12:47,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:12:47,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:12:47,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:12:47,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:12:47,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:12:47,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:12:47,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:12:47,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:12:47,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:12:47,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:12:47,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:12:47,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:12:47,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:12:47,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:12:47,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:12:47,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:12:47,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:12:47,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:12:47,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:12:47,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:12:47,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:12:47,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:12:47,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:12:47,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:12:47,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:12:47,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:12:47,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:12:47,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:12:47,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:12:47,507 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:12:47,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:12:47,508 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:12:47,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:12:47,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:12:47,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:12:47,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:12:47,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:12:47,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:12:47,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:12:47,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:12:47,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:12:47,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:12:47,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:12:47,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:12:47,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:12:47,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:12:47,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:12:47,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:12:47,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:12:47,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:12:47,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:12:47,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:12:47,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:12:47,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2984602c57db58fdd6305a2fb53a6026fe92c212 [2021-08-25 22:12:47,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:12:47,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:12:47,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:12:47,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:12:47,822 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:12:47,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label17.c [2021-08-25 22:12:47,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df7323350/94eb6bb3a3bf4914a1cdf949c418112c/FLAG5abde421d [2021-08-25 22:12:48,308 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:12:48,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label17.c [2021-08-25 22:12:48,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df7323350/94eb6bb3a3bf4914a1cdf949c418112c/FLAG5abde421d [2021-08-25 22:12:48,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df7323350/94eb6bb3a3bf4914a1cdf949c418112c [2021-08-25 22:12:48,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:12:48,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:12:48,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:12:48,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:12:48,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:12:48,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:12:48" (1/1) ... [2021-08-25 22:12:48,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4aa532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:48, skipping insertion in model container [2021-08-25 22:12:48,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:12:48" (1/1) ... [2021-08-25 22:12:48,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:12:48,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:12:48,856 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_label17.c[7664,7677] [2021-08-25 22:12:49,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:12:49,179 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:12:49,205 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_label17.c[7664,7677] [2021-08-25 22:12:49,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:12:49,341 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:12:49,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49 WrapperNode [2021-08-25 22:12:49,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:12:49,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:12:49,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:12:49,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:12:49,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:12:49,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:12:49,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:12:49,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:12:49,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:12:49,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:12:49,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:12:49,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:12:49,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (1/1) ... [2021-08-25 22:12:49,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:12:49,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:49,696 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 22:12:49,709 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 22:12:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:12:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:12:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:12:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:12:51,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:12:51,796 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:12:51,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:12:51 BoogieIcfgContainer [2021-08-25 22:12:51,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:12:51,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:12:51,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:12:51,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:12:51,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:12:48" (1/3) ... [2021-08-25 22:12:51,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b275e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:12:51, skipping insertion in model container [2021-08-25 22:12:51,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:12:49" (2/3) ... [2021-08-25 22:12:51,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b275e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:12:51, skipping insertion in model container [2021-08-25 22:12:51,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:12:51" (3/3) ... [2021-08-25 22:12:51,805 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label17.c [2021-08-25 22:12:51,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:12:51,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:12:51,862 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:12:51,868 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 22:12:51,868 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:12:51,889 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 22:12:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-08-25 22:12:51,896 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:51,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:51,897 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:51,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:51,901 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-08-25 22:12:51,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:51,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372934760] [2021-08-25 22:12:51,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:51,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:52,144 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 22:12:52,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:52,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372934760] [2021-08-25 22:12:52,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372934760] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:52,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:52,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:52,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676556515] [2021-08-25 22:12:52,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:52,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:52,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:52,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:52,161 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 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 22:12:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:54,273 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2021-08-25 22:12:54,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:54,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-08-25 22:12:54,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:54,289 INFO L225 Difference]: With dead ends: 1191 [2021-08-25 22:12:54,289 INFO L226 Difference]: Without dead ends: 688 [2021-08-25 22:12:54,294 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:54,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-08-25 22:12:54,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2021-08-25 22:12:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.609720176730486) internal successors, (1093), 679 states have internal predecessors, (1093), 0 states have call successors, (0), 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 22:12:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2021-08-25 22:12:54,368 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 63 [2021-08-25 22:12:54,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:54,370 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2021-08-25 22:12:54,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 22:12:54,370 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2021-08-25 22:12:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-08-25 22:12:54,377 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:54,378 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:54,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:12:54,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:54,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:54,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1963228353, now seen corresponding path program 1 times [2021-08-25 22:12:54,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:54,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797815040] [2021-08-25 22:12:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:54,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:54,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:54,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797815040] [2021-08-25 22:12:54,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797815040] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:54,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:54,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:54,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946862560] [2021-08-25 22:12:54,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:54,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:54,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:54,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:54,515 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 22:12:55,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:55,900 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2021-08-25 22:12:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:55,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2021-08-25 22:12:55,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:55,904 INFO L225 Difference]: With dead ends: 1964 [2021-08-25 22:12:55,904 INFO L226 Difference]: Without dead ends: 1286 [2021-08-25 22:12:55,906 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:55,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2021-08-25 22:12:55,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2021-08-25 22:12:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.3953125) internal successors, (1786), 1280 states have internal predecessors, (1786), 0 states have call successors, (0), 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 22:12:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2021-08-25 22:12:55,925 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 131 [2021-08-25 22:12:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:55,926 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2021-08-25 22:12:55,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 22:12:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2021-08-25 22:12:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-08-25 22:12:55,927 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:55,928 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, 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] [2021-08-25 22:12:55,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:12:55,928 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:55,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:55,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1160975019, now seen corresponding path program 1 times [2021-08-25 22:12:55,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:55,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52132153] [2021-08-25 22:12:55,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:55,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:56,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:56,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52132153] [2021-08-25 22:12:56,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52132153] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:56,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:56,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:56,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484322633] [2021-08-25 22:12:56,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:56,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:56,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:56,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:56,023 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 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 22:12:57,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:57,471 INFO L93 Difference]: Finished difference Result 2859 states and 3905 transitions. [2021-08-25 22:12:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:57,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2021-08-25 22:12:57,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:57,477 INFO L225 Difference]: With dead ends: 2859 [2021-08-25 22:12:57,477 INFO L226 Difference]: Without dead ends: 1580 [2021-08-25 22:12:57,479 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:57,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-08-25 22:12:57,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1580. [2021-08-25 22:12:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1579 states have (on average 1.3242558581380621) internal successors, (2091), 1579 states have internal predecessors, (2091), 0 states have call successors, (0), 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 22:12:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2091 transitions. [2021-08-25 22:12:57,503 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2091 transitions. Word has length 139 [2021-08-25 22:12:57,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:57,503 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2091 transitions. [2021-08-25 22:12:57,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 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 22:12:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2091 transitions. [2021-08-25 22:12:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-08-25 22:12:57,506 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:57,506 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:57,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:12:57,507 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:57,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:57,507 INFO L82 PathProgramCache]: Analyzing trace with hash 75098474, now seen corresponding path program 1 times [2021-08-25 22:12:57,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:57,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219285727] [2021-08-25 22:12:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:57,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:57,628 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-08-25 22:12:57,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:57,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219285727] [2021-08-25 22:12:57,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219285727] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:57,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:57,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:57,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114532433] [2021-08-25 22:12:57,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:57,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:57,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:57,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:57,634 INFO L87 Difference]: Start difference. First operand 1580 states and 2091 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 22:12:59,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:59,124 INFO L93 Difference]: Finished difference Result 4065 states and 5551 transitions. [2021-08-25 22:12:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:59,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 230 [2021-08-25 22:12:59,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:59,141 INFO L225 Difference]: With dead ends: 4065 [2021-08-25 22:12:59,141 INFO L226 Difference]: Without dead ends: 2786 [2021-08-25 22:12:59,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:59,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2021-08-25 22:12:59,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786. [2021-08-25 22:12:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 2785 states have (on average 1.2204667863554757) internal successors, (3399), 2785 states have internal predecessors, (3399), 0 states have call successors, (0), 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 22:12:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3399 transitions. [2021-08-25 22:12:59,176 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3399 transitions. Word has length 230 [2021-08-25 22:12:59,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:59,176 INFO L470 AbstractCegarLoop]: Abstraction has 2786 states and 3399 transitions. [2021-08-25 22:12:59,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 22:12:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3399 transitions. [2021-08-25 22:12:59,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-08-25 22:12:59,178 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:59,178 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:59,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:12:59,179 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:59,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:59,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1852515434, now seen corresponding path program 1 times [2021-08-25 22:12:59,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:59,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998623371] [2021-08-25 22:12:59,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:59,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-08-25 22:12:59,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:59,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998623371] [2021-08-25 22:12:59,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998623371] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:59,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:59,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:59,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511672785] [2021-08-25 22:12:59,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:59,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:59,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:59,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:59,262 INFO L87 Difference]: Start difference. First operand 2786 states and 3399 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 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 22:13:00,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:00,777 INFO L93 Difference]: Finished difference Result 6472 states and 8164 transitions. [2021-08-25 22:13:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:00,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 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 236 [2021-08-25 22:13:00,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:00,787 INFO L225 Difference]: With dead ends: 6472 [2021-08-25 22:13:00,788 INFO L226 Difference]: Without dead ends: 3987 [2021-08-25 22:13:00,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2021-08-25 22:13:00,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 3686. [2021-08-25 22:13:00,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3686 states, 3685 states have (on average 1.1959294436906378) internal successors, (4407), 3685 states have internal predecessors, (4407), 0 states have call successors, (0), 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 22:13:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 4407 transitions. [2021-08-25 22:13:00,831 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 4407 transitions. Word has length 236 [2021-08-25 22:13:00,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:00,831 INFO L470 AbstractCegarLoop]: Abstraction has 3686 states and 4407 transitions. [2021-08-25 22:13:00,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 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 22:13:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 4407 transitions. [2021-08-25 22:13:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-08-25 22:13:00,834 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:00,834 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:00,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:13:00,835 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:00,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:00,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1238094804, now seen corresponding path program 1 times [2021-08-25 22:13:00,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:00,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506411036] [2021-08-25 22:13:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:00,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:13:00,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:00,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506411036] [2021-08-25 22:13:00,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506411036] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:00,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:00,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:00,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747495879] [2021-08-25 22:13:00,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:00,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:00,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:00,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:00,922 INFO L87 Difference]: Start difference. First operand 3686 states and 4407 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 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 22:13:02,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:02,379 INFO L93 Difference]: Finished difference Result 8279 states and 10190 transitions. [2021-08-25 22:13:02,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:02,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 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 345 [2021-08-25 22:13:02,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:02,391 INFO L225 Difference]: With dead ends: 8279 [2021-08-25 22:13:02,391 INFO L226 Difference]: Without dead ends: 4894 [2021-08-25 22:13:02,395 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:02,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4894 states. [2021-08-25 22:13:02,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4894 to 4592. [2021-08-25 22:13:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4592 states, 4591 states have (on average 1.184055761272054) internal successors, (5436), 4591 states have internal predecessors, (5436), 0 states have call successors, (0), 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 22:13:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4592 states and 5436 transitions. [2021-08-25 22:13:02,446 INFO L78 Accepts]: Start accepts. Automaton has 4592 states and 5436 transitions. Word has length 345 [2021-08-25 22:13:02,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:02,446 INFO L470 AbstractCegarLoop]: Abstraction has 4592 states and 5436 transitions. [2021-08-25 22:13:02,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 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 22:13:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4592 states and 5436 transitions. [2021-08-25 22:13:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-08-25 22:13:02,450 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:02,450 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:02,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:13:02,450 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:02,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:02,451 INFO L82 PathProgramCache]: Analyzing trace with hash 207476629, now seen corresponding path program 1 times [2021-08-25 22:13:02,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:02,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150550293] [2021-08-25 22:13:02,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:02,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-25 22:13:02,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:02,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150550293] [2021-08-25 22:13:02,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150550293] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:02,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:02,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:02,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234627910] [2021-08-25 22:13:02,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:02,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:02,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:02,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:02,553 INFO L87 Difference]: Start difference. First operand 4592 states and 5436 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 22:13:04,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:04,115 INFO L93 Difference]: Finished difference Result 10079 states and 12234 transitions. [2021-08-25 22:13:04,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:04,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 350 [2021-08-25 22:13:04,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:04,131 INFO L225 Difference]: With dead ends: 10079 [2021-08-25 22:13:04,131 INFO L226 Difference]: Without dead ends: 5788 [2021-08-25 22:13:04,136 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:04,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5788 states. [2021-08-25 22:13:04,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5788 to 5784. [2021-08-25 22:13:04,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5783 states have (on average 1.1663496455127096) internal successors, (6745), 5783 states have internal predecessors, (6745), 0 states have call successors, (0), 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 22:13:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 6745 transitions. [2021-08-25 22:13:04,199 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 6745 transitions. Word has length 350 [2021-08-25 22:13:04,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:04,200 INFO L470 AbstractCegarLoop]: Abstraction has 5784 states and 6745 transitions. [2021-08-25 22:13:04,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 22:13:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 6745 transitions. [2021-08-25 22:13:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-08-25 22:13:04,207 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:04,207 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:04,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:13:04,207 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:04,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:04,208 INFO L82 PathProgramCache]: Analyzing trace with hash -934046099, now seen corresponding path program 1 times [2021-08-25 22:13:04,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:04,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247251204] [2021-08-25 22:13:04,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:04,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 426 proven. 39 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-08-25 22:13:04,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:04,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247251204] [2021-08-25 22:13:04,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247251204] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:04,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708607682] [2021-08-25 22:13:04,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:04,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:04,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:04,360 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 22:13:04,384 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 22:13:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:04,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:13:04,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-08-25 22:13:05,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708607682] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:05,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:13:05,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 22:13:05,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707262523] [2021-08-25 22:13:05,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:05,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:05,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:05,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:13:05,866 INFO L87 Difference]: Start difference. First operand 5784 states and 6745 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 22:13:07,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:07,511 INFO L93 Difference]: Finished difference Result 14556 states and 17044 transitions. [2021-08-25 22:13:07,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:07,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 514 [2021-08-25 22:13:07,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:07,532 INFO L225 Difference]: With dead ends: 14556 [2021-08-25 22:13:07,533 INFO L226 Difference]: Without dead ends: 9073 [2021-08-25 22:13:07,538 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:13:07,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9073 states. [2021-08-25 22:13:07,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9073 to 7578. [2021-08-25 22:13:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7578 states, 7577 states have (on average 1.1483436716378514) internal successors, (8701), 7577 states have internal predecessors, (8701), 0 states have call successors, (0), 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 22:13:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 8701 transitions. [2021-08-25 22:13:07,639 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 8701 transitions. Word has length 514 [2021-08-25 22:13:07,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:07,640 INFO L470 AbstractCegarLoop]: Abstraction has 7578 states and 8701 transitions. [2021-08-25 22:13:07,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 22:13:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 8701 transitions. [2021-08-25 22:13:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-08-25 22:13:07,644 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:07,645 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:07,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 22:13:07,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:07,861 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:07,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:07,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2057557162, now seen corresponding path program 1 times [2021-08-25 22:13:07,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:07,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072001752] [2021-08-25 22:13:07,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:07,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 531 proven. 39 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-08-25 22:13:08,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:08,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072001752] [2021-08-25 22:13:08,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072001752] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:08,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231096250] [2021-08-25 22:13:08,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:08,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:08,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:08,054 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 22:13:08,075 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 22:13:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:08,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:13:08,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-08-25 22:13:09,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231096250] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:09,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:13:09,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 22:13:09,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680107828] [2021-08-25 22:13:09,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:09,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:13:09,573 INFO L87 Difference]: Start difference. First operand 7578 states and 8701 transitions. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 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 22:13:11,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:11,037 INFO L93 Difference]: Finished difference Result 17246 states and 20051 transitions. [2021-08-25 22:13:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:11,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 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 547 [2021-08-25 22:13:11,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:11,054 INFO L225 Difference]: With dead ends: 17246 [2021-08-25 22:13:11,054 INFO L226 Difference]: Without dead ends: 9969 [2021-08-25 22:13:11,061 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.2ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:13:11,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9969 states. [2021-08-25 22:13:11,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9969 to 9969. [2021-08-25 22:13:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9969 states, 9968 states have (on average 1.1498796147672552) internal successors, (11462), 9968 states have internal predecessors, (11462), 0 states have call successors, (0), 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 22:13:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 11462 transitions. [2021-08-25 22:13:11,157 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 11462 transitions. Word has length 547 [2021-08-25 22:13:11,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:11,158 INFO L470 AbstractCegarLoop]: Abstraction has 9969 states and 11462 transitions. [2021-08-25 22:13:11,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 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 22:13:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 11462 transitions. [2021-08-25 22:13:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-08-25 22:13:11,162 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:11,163 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:11,189 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 22:13:11,376 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,SelfDestructingSolverStorable8 [2021-08-25 22:13:11,377 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:11,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:11,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1484596940, now seen corresponding path program 1 times [2021-08-25 22:13:11,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:11,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728459186] [2021-08-25 22:13:11,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:11,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-08-25 22:13:11,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:11,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728459186] [2021-08-25 22:13:11,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728459186] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:11,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:11,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:11,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222883508] [2021-08-25 22:13:11,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:11,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:11,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:11,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:11,580 INFO L87 Difference]: Start difference. First operand 9969 states and 11462 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 22:13:13,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:13,249 INFO L93 Difference]: Finished difference Result 24136 states and 28000 transitions. [2021-08-25 22:13:13,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:13,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 551 [2021-08-25 22:13:13,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:13,270 INFO L225 Difference]: With dead ends: 24136 [2021-08-25 22:13:13,271 INFO L226 Difference]: Without dead ends: 14468 [2021-08-25 22:13:13,280 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:13,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2021-08-25 22:13:13,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14158. [2021-08-25 22:13:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14158 states, 14157 states have (on average 1.1347743165924984) internal successors, (16065), 14157 states have internal predecessors, (16065), 0 states have call successors, (0), 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 22:13:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 16065 transitions. [2021-08-25 22:13:13,470 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 16065 transitions. Word has length 551 [2021-08-25 22:13:13,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:13,470 INFO L470 AbstractCegarLoop]: Abstraction has 14158 states and 16065 transitions. [2021-08-25 22:13:13,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 22:13:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 16065 transitions. [2021-08-25 22:13:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-08-25 22:13:13,478 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:13,479 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, 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:13,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:13:13,479 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:13,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:13,480 INFO L82 PathProgramCache]: Analyzing trace with hash 94161064, now seen corresponding path program 1 times [2021-08-25 22:13:13,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:13,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379298702] [2021-08-25 22:13:13,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:13,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:13,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 688 proven. 39 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2021-08-25 22:13:13,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:13,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379298702] [2021-08-25 22:13:13,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379298702] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:13,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801594694] [2021-08-25 22:13:13,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:13,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:13,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:13,633 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 22:13:13,644 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 22:13:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:14,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:13:14,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-08-25 22:13:15,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801594694] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:15,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:13:15,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 22:13:15,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623896366] [2021-08-25 22:13:15,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:15,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:15,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:15,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:13:15,502 INFO L87 Difference]: Start difference. First operand 14158 states and 16065 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:16,896 INFO L93 Difference]: Finished difference Result 27712 states and 31488 transitions. [2021-08-25 22:13:16,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:16,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 626 [2021-08-25 22:13:16,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:16,915 INFO L225 Difference]: With dead ends: 27712 [2021-08-25 22:13:16,915 INFO L226 Difference]: Without dead ends: 13855 [2021-08-25 22:13:16,924 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:13:16,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13855 states. [2021-08-25 22:13:17,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13855 to 13555. [2021-08-25 22:13:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13555 states, 13554 states have (on average 1.0829275490630073) internal successors, (14678), 13554 states have internal predecessors, (14678), 0 states have call successors, (0), 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 22:13:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13555 states to 13555 states and 14678 transitions. [2021-08-25 22:13:17,049 INFO L78 Accepts]: Start accepts. Automaton has 13555 states and 14678 transitions. Word has length 626 [2021-08-25 22:13:17,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:17,049 INFO L470 AbstractCegarLoop]: Abstraction has 13555 states and 14678 transitions. [2021-08-25 22:13:17,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:17,050 INFO L276 IsEmpty]: Start isEmpty. Operand 13555 states and 14678 transitions. [2021-08-25 22:13:17,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2021-08-25 22:13:17,057 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:17,057 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:17,081 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 22:13:17,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:17,281 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:17,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1632467113, now seen corresponding path program 1 times [2021-08-25 22:13:17,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:17,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007716168] [2021-08-25 22:13:17,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:17,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 615 proven. 39 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-08-25 22:13:17,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:17,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007716168] [2021-08-25 22:13:17,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007716168] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:17,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981968829] [2021-08-25 22:13:17,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:17,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:17,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:17,453 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 22:13:17,474 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 22:13:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:18,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-25 22:13:18,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 615 proven. 39 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-08-25 22:13:20,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981968829] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:20,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:13:20,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-25 22:13:20,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206436692] [2021-08-25 22:13:20,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:13:20,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:20,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:13:20,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:13:20,219 INFO L87 Difference]: Start difference. First operand 13555 states and 14678 transitions. Second operand has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 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 22:13:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:25,029 INFO L93 Difference]: Finished difference Result 34387 states and 37199 transitions. [2021-08-25 22:13:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-25 22:13:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 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 627 [2021-08-25 22:13:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:25,048 INFO L225 Difference]: With dead ends: 34387 [2021-08-25 22:13:25,048 INFO L226 Difference]: Without dead ends: 16245 [2021-08-25 22:13:25,061 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 55.7ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-25 22:13:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16245 states. [2021-08-25 22:13:25,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16245 to 12357. [2021-08-25 22:13:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0435415992230495) internal successors, (12894), 12356 states have internal predecessors, (12894), 0 states have call successors, (0), 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 22:13:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12894 transitions. [2021-08-25 22:13:25,249 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12894 transitions. Word has length 627 [2021-08-25 22:13:25,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:25,249 INFO L470 AbstractCegarLoop]: Abstraction has 12357 states and 12894 transitions. [2021-08-25 22:13:25,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 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 22:13:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12894 transitions. [2021-08-25 22:13:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2021-08-25 22:13:25,255 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:25,256 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:25,278 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 22:13:25,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:25,473 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:25,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:25,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1939287860, now seen corresponding path program 1 times [2021-08-25 22:13:25,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:25,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779672547] [2021-08-25 22:13:25,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:25,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 266 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:13:25,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:25,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779672547] [2021-08-25 22:13:25,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779672547] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:25,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062163806] [2021-08-25 22:13:25,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:25,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:25,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:25,742 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 22:13:25,743 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 22:13:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:26,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 22:13:26,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 450 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:13:28,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062163806] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:28,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:13:28,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-25 22:13:28,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023943933] [2021-08-25 22:13:28,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-25 22:13:28,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:28,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-25 22:13:28,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:13:28,550 INFO L87 Difference]: Start difference. First operand 12357 states and 12894 transitions. Second operand has 9 states, 9 states have (on average 147.44444444444446) internal successors, (1327), 9 states have internal predecessors, (1327), 0 states have call successors, (0), 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 22:13:36,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:36,148 INFO L93 Difference]: Finished difference Result 36952 states and 38550 transitions. [2021-08-25 22:13:36,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-25 22:13:36,148 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 147.44444444444446) internal successors, (1327), 9 states have internal predecessors, (1327), 0 states have call successors, (0), 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 22:13:36,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:36,170 INFO L225 Difference]: With dead ends: 36952 [2021-08-25 22:13:36,170 INFO L226 Difference]: Without dead ends: 24295 [2021-08-25 22:13:36,174 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 262.7ms TimeCoverageRelationStatistics Valid=189, Invalid=741, Unknown=0, NotChecked=0, Total=930 [2021-08-25 22:13:36,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24295 states. [2021-08-25 22:13:36,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24295 to 18048. [2021-08-25 22:13:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18048 states, 18047 states have (on average 1.0413919210949187) internal successors, (18794), 18047 states have internal predecessors, (18794), 0 states have call successors, (0), 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 22:13:36,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18048 states to 18048 states and 18794 transitions. [2021-08-25 22:13:36,368 INFO L78 Accepts]: Start accepts. Automaton has 18048 states and 18794 transitions. Word has length 664 [2021-08-25 22:13:36,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:36,369 INFO L470 AbstractCegarLoop]: Abstraction has 18048 states and 18794 transitions. [2021-08-25 22:13:36,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 147.44444444444446) internal successors, (1327), 9 states have internal predecessors, (1327), 0 states have call successors, (0), 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 22:13:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 18048 states and 18794 transitions. [2021-08-25 22:13:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-08-25 22:13:36,377 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:36,378 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:36,410 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 22:13:36,593 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,SelfDestructingSolverStorable12 [2021-08-25 22:13:36,595 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:36,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:36,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1642869698, now seen corresponding path program 1 times [2021-08-25 22:13:36,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:36,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374677349] [2021-08-25 22:13:36,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:36,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:36,764 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-08-25 22:13:36,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:36,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374677349] [2021-08-25 22:13:36,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374677349] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:36,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:36,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:36,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626727973] [2021-08-25 22:13:36,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:36,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:36,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:36,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:36,768 INFO L87 Difference]: Start difference. First operand 18048 states and 18794 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 22:13:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:37,794 INFO L93 Difference]: Finished difference Result 36391 states and 37897 transitions. [2021-08-25 22:13:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:37,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 731 [2021-08-25 22:13:37,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:37,813 INFO L225 Difference]: With dead ends: 36391 [2021-08-25 22:13:37,813 INFO L226 Difference]: Without dead ends: 18345 [2021-08-25 22:13:37,824 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:37,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18345 states. [2021-08-25 22:13:37,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18345 to 18046. [2021-08-25 22:13:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18046 states, 18045 states have (on average 1.0412856747021335) internal successors, (18790), 18045 states have internal predecessors, (18790), 0 states have call successors, (0), 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 22:13:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18046 states to 18046 states and 18790 transitions. [2021-08-25 22:13:37,997 INFO L78 Accepts]: Start accepts. Automaton has 18046 states and 18790 transitions. Word has length 731 [2021-08-25 22:13:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:37,998 INFO L470 AbstractCegarLoop]: Abstraction has 18046 states and 18790 transitions. [2021-08-25 22:13:37,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 22:13:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 18046 states and 18790 transitions. [2021-08-25 22:13:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2021-08-25 22:13:38,050 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:38,050 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:38,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:13:38,051 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:38,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:38,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1626669109, now seen corresponding path program 1 times [2021-08-25 22:13:38,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:38,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709807110] [2021-08-25 22:13:38,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:38,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 763 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-08-25 22:13:38,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:38,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709807110] [2021-08-25 22:13:38,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709807110] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:38,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:38,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:38,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594689366] [2021-08-25 22:13:38,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:38,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:38,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:38,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:38,247 INFO L87 Difference]: Start difference. First operand 18046 states and 18790 transitions. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 22:13:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:39,511 INFO L93 Difference]: Finished difference Result 41769 states and 43488 transitions. [2021-08-25 22:13:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:39,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 760 [2021-08-25 22:13:39,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:39,533 INFO L225 Difference]: With dead ends: 41769 [2021-08-25 22:13:39,534 INFO L226 Difference]: Without dead ends: 23426 [2021-08-25 22:13:39,546 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:39,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23426 states. [2021-08-25 22:13:39,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23426 to 22529. [2021-08-25 22:13:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22529 states, 22528 states have (on average 1.0373757102272727) internal successors, (23370), 22528 states have internal predecessors, (23370), 0 states have call successors, (0), 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 22:13:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22529 states to 22529 states and 23370 transitions. [2021-08-25 22:13:39,734 INFO L78 Accepts]: Start accepts. Automaton has 22529 states and 23370 transitions. Word has length 760 [2021-08-25 22:13:39,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:39,734 INFO L470 AbstractCegarLoop]: Abstraction has 22529 states and 23370 transitions. [2021-08-25 22:13:39,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 22:13:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 22529 states and 23370 transitions. [2021-08-25 22:13:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2021-08-25 22:13:39,747 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:39,748 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:13:39,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:13:39,748 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:39,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:39,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1621297423, now seen corresponding path program 1 times [2021-08-25 22:13:39,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:39,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827089911] [2021-08-25 22:13:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:39,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 735 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-08-25 22:13:39,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:39,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827089911] [2021-08-25 22:13:39,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827089911] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:39,973 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:39,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:39,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119088926] [2021-08-25 22:13:39,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:39,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:39,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:39,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:39,975 INFO L87 Difference]: Start difference. First operand 22529 states and 23370 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 22:13:41,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:41,733 INFO L93 Difference]: Finished difference Result 55869 states and 57984 transitions. [2021-08-25 22:13:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:41,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 840 [2021-08-25 22:13:41,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:41,766 INFO L225 Difference]: With dead ends: 55869 [2021-08-25 22:13:41,767 INFO L226 Difference]: Without dead ends: 33043 [2021-08-25 22:13:41,783 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33043 states. [2021-08-25 22:13:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33043 to 26720. [2021-08-25 22:13:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26720 states, 26719 states have (on average 1.037201991092481) internal successors, (27713), 26719 states have internal predecessors, (27713), 0 states have call successors, (0), 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 22:13:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26720 states to 26720 states and 27713 transitions. [2021-08-25 22:13:42,052 INFO L78 Accepts]: Start accepts. Automaton has 26720 states and 27713 transitions. Word has length 840 [2021-08-25 22:13:42,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:42,052 INFO L470 AbstractCegarLoop]: Abstraction has 26720 states and 27713 transitions. [2021-08-25 22:13:42,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 22:13:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 26720 states and 27713 transitions. [2021-08-25 22:13:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2021-08-25 22:13:42,069 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:42,070 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:42,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:13:42,070 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:42,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:42,070 INFO L82 PathProgramCache]: Analyzing trace with hash -991976836, now seen corresponding path program 1 times [2021-08-25 22:13:42,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:42,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544576254] [2021-08-25 22:13:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:42,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 658 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-08-25 22:13:42,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:42,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544576254] [2021-08-25 22:13:42,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544576254] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:42,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:42,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:42,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953288952] [2021-08-25 22:13:42,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:42,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:42,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:42,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:42,309 INFO L87 Difference]: Start difference. First operand 26720 states and 27713 transitions. Second operand has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 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 22:13:44,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:44,173 INFO L93 Difference]: Finished difference Result 62726 states and 65021 transitions. [2021-08-25 22:13:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:44,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 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 881 [2021-08-25 22:13:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:44,208 INFO L225 Difference]: With dead ends: 62726 [2021-08-25 22:13:44,209 INFO L226 Difference]: Without dead ends: 36008 [2021-08-25 22:13:44,225 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:44,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36008 states. [2021-08-25 22:13:44,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36008 to 28519. [2021-08-25 22:13:44,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28519 states, 28518 states have (on average 1.0368539168244617) internal successors, (29569), 28518 states have internal predecessors, (29569), 0 states have call successors, (0), 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 22:13:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28519 states to 28519 states and 29569 transitions. [2021-08-25 22:13:44,563 INFO L78 Accepts]: Start accepts. Automaton has 28519 states and 29569 transitions. Word has length 881 [2021-08-25 22:13:44,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:44,564 INFO L470 AbstractCegarLoop]: Abstraction has 28519 states and 29569 transitions. [2021-08-25 22:13:44,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 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 22:13:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 28519 states and 29569 transitions. [2021-08-25 22:13:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 888 [2021-08-25 22:13:44,585 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:44,585 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, 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, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:44,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:13:44,586 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:44,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:44,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1094532106, now seen corresponding path program 1 times [2021-08-25 22:13:44,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:44,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761650977] [2021-08-25 22:13:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:44,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1411 backedges. 1016 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-08-25 22:13:44,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:44,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761650977] [2021-08-25 22:13:44,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761650977] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:44,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:44,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:44,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236520501] [2021-08-25 22:13:44,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:44,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:44,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:44,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:44,821 INFO L87 Difference]: Start difference. First operand 28519 states and 29569 transitions. Second operand has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 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 22:13:46,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:46,474 INFO L93 Difference]: Finished difference Result 59422 states and 61602 transitions. [2021-08-25 22:13:46,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:46,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 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 887 [2021-08-25 22:13:46,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:46,508 INFO L225 Difference]: With dead ends: 59422 [2021-08-25 22:13:46,508 INFO L226 Difference]: Without dead ends: 30905 [2021-08-25 22:13:46,526 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:46,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30905 states. [2021-08-25 22:13:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30905 to 28508. [2021-08-25 22:13:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28508 states, 28507 states have (on average 1.0291156558038377) internal successors, (29337), 28507 states have internal predecessors, (29337), 0 states have call successors, (0), 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 22:13:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28508 states to 28508 states and 29337 transitions. [2021-08-25 22:13:46,807 INFO L78 Accepts]: Start accepts. Automaton has 28508 states and 29337 transitions. Word has length 887 [2021-08-25 22:13:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:46,808 INFO L470 AbstractCegarLoop]: Abstraction has 28508 states and 29337 transitions. [2021-08-25 22:13:46,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 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 22:13:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 28508 states and 29337 transitions. [2021-08-25 22:13:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 919 [2021-08-25 22:13:46,822 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:46,822 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:46,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 22:13:46,823 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:46,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:46,823 INFO L82 PathProgramCache]: Analyzing trace with hash -369515806, now seen corresponding path program 1 times [2021-08-25 22:13:46,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:46,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357127383] [2021-08-25 22:13:46,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:46,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 1003 proven. 183 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-08-25 22:13:47,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:47,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357127383] [2021-08-25 22:13:47,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357127383] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:47,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633053292] [2021-08-25 22:13:47,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:47,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:47,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:47,057 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 22:13:47,076 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 22:13:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:48,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 22:13:48,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 1133 proven. 76 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-08-25 22:13:50,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633053292] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:50,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:13:50,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-08-25 22:13:50,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970085784] [2021-08-25 22:13:50,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:13:50,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:50,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:13:50,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:13:50,671 INFO L87 Difference]: Start difference. First operand 28508 states and 29337 transitions. Second operand has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 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 22:13:55,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:55,388 INFO L93 Difference]: Finished difference Result 61503 states and 63298 transitions. [2021-08-25 22:13:55,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-25 22:13:55,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 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 918 [2021-08-25 22:13:55,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:55,417 INFO L225 Difference]: With dead ends: 61503 [2021-08-25 22:13:55,417 INFO L226 Difference]: Without dead ends: 32698 [2021-08-25 22:13:55,431 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 924 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 81.1ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-08-25 22:13:55,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32698 states. [2021-08-25 22:13:55,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32698 to 27904. [2021-08-25 22:13:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27904 states, 27903 states have (on average 1.0282765294054403) internal successors, (28692), 27903 states have internal predecessors, (28692), 0 states have call successors, (0), 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 22:13:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27904 states to 27904 states and 28692 transitions. [2021-08-25 22:13:55,680 INFO L78 Accepts]: Start accepts. Automaton has 27904 states and 28692 transitions. Word has length 918 [2021-08-25 22:13:55,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:55,680 INFO L470 AbstractCegarLoop]: Abstraction has 27904 states and 28692 transitions. [2021-08-25 22:13:55,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 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 22:13:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 27904 states and 28692 transitions. [2021-08-25 22:13:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2021-08-25 22:13:55,692 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:55,692 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:55,715 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 22:13:55,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:55,893 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:55,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:55,893 INFO L82 PathProgramCache]: Analyzing trace with hash -508670603, now seen corresponding path program 1 times [2021-08-25 22:13:55,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:55,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174762002] [2021-08-25 22:13:55,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:55,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1547 backedges. 1152 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-08-25 22:13:56,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:56,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174762002] [2021-08-25 22:13:56,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174762002] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:56,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:56,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:56,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345401223] [2021-08-25 22:13:56,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:56,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:56,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:56,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:56,107 INFO L87 Difference]: Start difference. First operand 27904 states and 28692 transitions. Second operand has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 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 22:13:57,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:57,635 INFO L93 Difference]: Finished difference Result 60894 states and 62610 transitions. [2021-08-25 22:13:57,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:57,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 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 919 [2021-08-25 22:13:57,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:57,660 INFO L225 Difference]: With dead ends: 60894 [2021-08-25 22:13:57,661 INFO L226 Difference]: Without dead ends: 32992 [2021-08-25 22:13:57,670 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:57,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32992 states. [2021-08-25 22:13:57,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32992 to 29099. [2021-08-25 22:13:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29099 states, 29098 states have (on average 1.026840332668912) internal successors, (29879), 29098 states have internal predecessors, (29879), 0 states have call successors, (0), 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 22:13:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29099 states to 29099 states and 29879 transitions. [2021-08-25 22:13:57,910 INFO L78 Accepts]: Start accepts. Automaton has 29099 states and 29879 transitions. Word has length 919 [2021-08-25 22:13:57,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:57,910 INFO L470 AbstractCegarLoop]: Abstraction has 29099 states and 29879 transitions. [2021-08-25 22:13:57,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 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 22:13:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 29099 states and 29879 transitions. [2021-08-25 22:13:57,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2021-08-25 22:13:57,925 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:57,925 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:13:57,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 22:13:57,925 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:57,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:57,926 INFO L82 PathProgramCache]: Analyzing trace with hash 353674574, now seen corresponding path program 1 times [2021-08-25 22:13:57,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:57,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137678484] [2021-08-25 22:13:57,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:57,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 880 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-08-25 22:13:58,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:58,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137678484] [2021-08-25 22:13:58,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137678484] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:58,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:58,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:58,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573940569] [2021-08-25 22:13:58,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:58,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:58,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:58,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:58,141 INFO L87 Difference]: Start difference. First operand 29099 states and 29879 transitions. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 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 22:13:59,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:59,843 INFO L93 Difference]: Finished difference Result 65696 states and 67425 transitions. [2021-08-25 22:13:59,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:59,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 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 924 [2021-08-25 22:13:59,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:59,878 INFO L225 Difference]: With dead ends: 65696 [2021-08-25 22:13:59,879 INFO L226 Difference]: Without dead ends: 36300 [2021-08-25 22:13:59,897 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36300 states. [2021-08-25 22:14:00,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36300 to 29101. [2021-08-25 22:14:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29101 states, 29100 states have (on average 1.026975945017182) internal successors, (29885), 29100 states have internal predecessors, (29885), 0 states have call successors, (0), 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 22:14:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29101 states to 29101 states and 29885 transitions. [2021-08-25 22:14:00,249 INFO L78 Accepts]: Start accepts. Automaton has 29101 states and 29885 transitions. Word has length 924 [2021-08-25 22:14:00,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:00,250 INFO L470 AbstractCegarLoop]: Abstraction has 29101 states and 29885 transitions. [2021-08-25 22:14:00,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 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 22:14:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29101 states and 29885 transitions. [2021-08-25 22:14:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2021-08-25 22:14:00,266 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:00,267 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:14:00,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 22:14:00,267 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:00,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:00,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1771405171, now seen corresponding path program 1 times [2021-08-25 22:14:00,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:00,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900723680] [2021-08-25 22:14:00,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:00,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2021-08-25 22:14:00,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:00,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900723680] [2021-08-25 22:14:00,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900723680] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:14:00,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:14:00,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:14:00,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809300171] [2021-08-25 22:14:00,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:14:00,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:00,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:14:00,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:00,491 INFO L87 Difference]: Start difference. First operand 29101 states and 29885 transitions. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 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 22:14:01,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:01,494 INFO L93 Difference]: Finished difference Result 58193 states and 59741 transitions. [2021-08-25 22:14:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:14:01,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 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 984 [2021-08-25 22:14:01,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:01,523 INFO L225 Difference]: With dead ends: 58193 [2021-08-25 22:14:01,523 INFO L226 Difference]: Without dead ends: 29094 [2021-08-25 22:14:01,539 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:01,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29094 states. [2021-08-25 22:14:01,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29094 to 24903. [2021-08-25 22:14:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24903 states, 24902 states have (on average 1.0257007469279575) internal successors, (25542), 24902 states have internal predecessors, (25542), 0 states have call successors, (0), 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 22:14:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24903 states to 24903 states and 25542 transitions. [2021-08-25 22:14:01,790 INFO L78 Accepts]: Start accepts. Automaton has 24903 states and 25542 transitions. Word has length 984 [2021-08-25 22:14:01,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:01,791 INFO L470 AbstractCegarLoop]: Abstraction has 24903 states and 25542 transitions. [2021-08-25 22:14:01,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 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 22:14:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 24903 states and 25542 transitions. [2021-08-25 22:14:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2021-08-25 22:14:01,810 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:01,810 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:14:01,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 22:14:01,811 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:01,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:01,811 INFO L82 PathProgramCache]: Analyzing trace with hash 362774515, now seen corresponding path program 1 times [2021-08-25 22:14:01,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:01,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838887932] [2021-08-25 22:14:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:01,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1756 proven. 508 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2021-08-25 22:14:02,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:02,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838887932] [2021-08-25 22:14:02,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838887932] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:14:02,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708929004] [2021-08-25 22:14:02,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:02,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:14:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:14:02,208 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 22:14:02,240 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 22:14:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:03,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:14:03,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:14:06,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1872 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2021-08-25 22:14:06,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708929004] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:14:06,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:14:06,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-08-25 22:14:06,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782824525] [2021-08-25 22:14:06,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:14:06,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:06,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:14:06,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:14:06,219 INFO L87 Difference]: Start difference. First operand 24903 states and 25542 transitions. Second operand has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 22:14:08,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:08,170 INFO L93 Difference]: Finished difference Result 52806 states and 54140 transitions. [2021-08-25 22:14:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:14:08,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 1197 [2021-08-25 22:14:08,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:08,197 INFO L225 Difference]: With dead ends: 52806 [2021-08-25 22:14:08,198 INFO L226 Difference]: Without dead ends: 27905 [2021-08-25 22:14:08,214 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1204 GetRequests, 1198 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 22.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:14:08,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27905 states. [2021-08-25 22:14:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27905 to 24305. [2021-08-25 22:14:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24305 states, 24304 states have (on average 1.0255102040816326) internal successors, (24924), 24304 states have internal predecessors, (24924), 0 states have call successors, (0), 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 22:14:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24305 states to 24305 states and 24924 transitions. [2021-08-25 22:14:08,428 INFO L78 Accepts]: Start accepts. Automaton has 24305 states and 24924 transitions. Word has length 1197 [2021-08-25 22:14:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:08,433 INFO L470 AbstractCegarLoop]: Abstraction has 24305 states and 24924 transitions. [2021-08-25 22:14:08,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 22:14:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 24305 states and 24924 transitions. [2021-08-25 22:14:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1332 [2021-08-25 22:14:08,454 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:08,455 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:14:08,477 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 22:14:08,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:14:08,662 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:08,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:08,662 INFO L82 PathProgramCache]: Analyzing trace with hash 987950089, now seen corresponding path program 1 times [2021-08-25 22:14:08,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:08,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491473834] [2021-08-25 22:14:08,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:08,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3832 backedges. 2156 proven. 0 refuted. 0 times theorem prover too weak. 1676 trivial. 0 not checked. [2021-08-25 22:14:09,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:09,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491473834] [2021-08-25 22:14:09,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491473834] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:14:09,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:14:09,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:14:09,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786523997] [2021-08-25 22:14:09,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:14:09,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:09,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:14:09,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:09,043 INFO L87 Difference]: Start difference. First operand 24305 states and 24924 transitions. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 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 22:14:10,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:10,112 INFO L93 Difference]: Finished difference Result 50108 states and 51372 transitions. [2021-08-25 22:14:10,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:14:10,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 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 1331 [2021-08-25 22:14:10,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:10,135 INFO L225 Difference]: With dead ends: 50108 [2021-08-25 22:14:10,135 INFO L226 Difference]: Without dead ends: 25805 [2021-08-25 22:14:10,149 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:10,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25805 states. [2021-08-25 22:14:10,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25805 to 23102. [2021-08-25 22:14:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23102 states, 23101 states have (on average 1.022856153413272) internal successors, (23629), 23101 states have internal predecessors, (23629), 0 states have call successors, (0), 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 22:14:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23102 states to 23102 states and 23629 transitions. [2021-08-25 22:14:10,334 INFO L78 Accepts]: Start accepts. Automaton has 23102 states and 23629 transitions. Word has length 1331 [2021-08-25 22:14:10,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:10,335 INFO L470 AbstractCegarLoop]: Abstraction has 23102 states and 23629 transitions. [2021-08-25 22:14:10,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 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 22:14:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 23102 states and 23629 transitions. [2021-08-25 22:14:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2021-08-25 22:14:10,355 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:10,356 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:14:10,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 22:14:10,356 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:10,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:10,356 INFO L82 PathProgramCache]: Analyzing trace with hash 525980300, now seen corresponding path program 1 times [2021-08-25 22:14:10,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:10,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715964555] [2021-08-25 22:14:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:10,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:10,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 2121 proven. 0 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2021-08-25 22:14:10,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:10,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715964555] [2021-08-25 22:14:10,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715964555] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:14:10,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:14:10,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:14:10,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977189667] [2021-08-25 22:14:10,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:14:10,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:10,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:14:10,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:10,672 INFO L87 Difference]: Start difference. First operand 23102 states and 23629 transitions. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 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 22:14:11,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:11,570 INFO L93 Difference]: Finished difference Result 50701 states and 51862 transitions. [2021-08-25 22:14:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:14:11,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 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 1377 [2021-08-25 22:14:11,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:11,596 INFO L225 Difference]: With dead ends: 50701 [2021-08-25 22:14:11,596 INFO L226 Difference]: Without dead ends: 27601 [2021-08-25 22:14:11,610 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:11,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27601 states. [2021-08-25 22:14:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27601 to 25504. [2021-08-25 22:14:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25504 states, 25503 states have (on average 1.0216053013370976) internal successors, (26054), 25503 states have internal predecessors, (26054), 0 states have call successors, (0), 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 22:14:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25504 states to 25504 states and 26054 transitions. [2021-08-25 22:14:11,879 INFO L78 Accepts]: Start accepts. Automaton has 25504 states and 26054 transitions. Word has length 1377 [2021-08-25 22:14:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:11,880 INFO L470 AbstractCegarLoop]: Abstraction has 25504 states and 26054 transitions. [2021-08-25 22:14:11,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 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 22:14:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 25504 states and 26054 transitions. [2021-08-25 22:14:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1448 [2021-08-25 22:14:11,902 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:11,903 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 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, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-08-25 22:14:11,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-25 22:14:11,903 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:11,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:11,904 INFO L82 PathProgramCache]: Analyzing trace with hash 745268361, now seen corresponding path program 1 times [2021-08-25 22:14:11,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:11,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770732864] [2021-08-25 22:14:11,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:11,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5272 backedges. 1319 proven. 0 refuted. 0 times theorem prover too weak. 3953 trivial. 0 not checked. [2021-08-25 22:14:12,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:12,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770732864] [2021-08-25 22:14:12,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770732864] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:14:12,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:14:12,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:14:12,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987277125] [2021-08-25 22:14:12,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:14:12,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:12,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:14:12,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:12,241 INFO L87 Difference]: Start difference. First operand 25504 states and 26054 transitions. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 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 22:14:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:13,150 INFO L93 Difference]: Finished difference Result 52202 states and 53332 transitions. [2021-08-25 22:14:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:14:13,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 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 1447 [2021-08-25 22:14:13,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:13,170 INFO L225 Difference]: With dead ends: 52202 [2021-08-25 22:14:13,170 INFO L226 Difference]: Without dead ends: 24009 [2021-08-25 22:14:13,184 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:13,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24009 states. [2021-08-25 22:14:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24009 to 20718. [2021-08-25 22:14:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20718 states, 20717 states have (on average 1.0199353188202924) internal successors, (21130), 20717 states have internal predecessors, (21130), 0 states have call successors, (0), 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 22:14:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20718 states to 20718 states and 21130 transitions. [2021-08-25 22:14:13,358 INFO L78 Accepts]: Start accepts. Automaton has 20718 states and 21130 transitions. Word has length 1447 [2021-08-25 22:14:13,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:13,359 INFO L470 AbstractCegarLoop]: Abstraction has 20718 states and 21130 transitions. [2021-08-25 22:14:13,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 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 22:14:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 20718 states and 21130 transitions. [2021-08-25 22:14:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1483 [2021-08-25 22:14:13,383 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:13,383 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:14:13,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-25 22:14:13,384 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:13,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:13,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1961940020, now seen corresponding path program 1 times [2021-08-25 22:14:13,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:13,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903952839] [2021-08-25 22:14:13,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:13,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:13,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4108 backedges. 1548 proven. 61 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-08-25 22:14:13,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:13,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903952839] [2021-08-25 22:14:13,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903952839] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:14:13,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858655337] [2021-08-25 22:14:13,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:13,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:14:13,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:14:13,828 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:14:13,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-25 22:14:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:15,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:14:15,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:14:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4108 backedges. 1548 proven. 61 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-08-25 22:14:18,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858655337] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:14:18,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:14:18,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-08-25 22:14:18,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619933947] [2021-08-25 22:14:18,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:14:18,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:18,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:14:18,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:14:18,933 INFO L87 Difference]: Start difference. First operand 20718 states and 21130 transitions. Second operand has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 0 states have call successors, (0), 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 22:14:20,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:20,339 INFO L93 Difference]: Finished difference Result 44728 states and 45607 transitions. [2021-08-25 22:14:20,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:14:20,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 0 states have call successors, (0), 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 1482 [2021-08-25 22:14:20,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:20,361 INFO L225 Difference]: With dead ends: 44728 [2021-08-25 22:14:20,361 INFO L226 Difference]: Without dead ends: 24012 [2021-08-25 22:14:20,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1485 GetRequests, 1482 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:14:20,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24012 states. [2021-08-25 22:14:20,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24012 to 20419. [2021-08-25 22:14:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20419 states, 20418 states have (on average 1.0198354393182485) internal successors, (20823), 20418 states have internal predecessors, (20823), 0 states have call successors, (0), 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 22:14:20,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20419 states to 20419 states and 20823 transitions. [2021-08-25 22:14:20,594 INFO L78 Accepts]: Start accepts. Automaton has 20419 states and 20823 transitions. Word has length 1482 [2021-08-25 22:14:20,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:20,595 INFO L470 AbstractCegarLoop]: Abstraction has 20419 states and 20823 transitions. [2021-08-25 22:14:20,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 0 states have call successors, (0), 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 22:14:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 20419 states and 20823 transitions. [2021-08-25 22:14:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1545 [2021-08-25 22:14:20,620 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:20,621 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, 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, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:14:20,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-25 22:14:20,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-08-25 22:14:20,833 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:20,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:20,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1467405734, now seen corresponding path program 1 times [2021-08-25 22:14:20,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:20,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173800172] [2021-08-25 22:14:20,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:20,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3774 backedges. 2368 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2021-08-25 22:14:21,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:21,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173800172] [2021-08-25 22:14:21,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173800172] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:14:21,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:14:21,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:14:21,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019362228] [2021-08-25 22:14:21,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:14:21,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:21,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:14:21,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:21,252 INFO L87 Difference]: Start difference. First operand 20419 states and 20823 transitions. Second operand has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 22:14:22,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:22,111 INFO L93 Difference]: Finished difference Result 42032 states and 42880 transitions. [2021-08-25 22:14:22,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:14:22,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 1544 [2021-08-25 22:14:22,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:22,131 INFO L225 Difference]: With dead ends: 42032 [2021-08-25 22:14:22,131 INFO L226 Difference]: Without dead ends: 21615 [2021-08-25 22:14:22,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:14:22,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21615 states. [2021-08-25 22:14:22,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21615 to 18914. [2021-08-25 22:14:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18914 states, 18913 states have (on average 1.0193517686247555) internal successors, (19279), 18913 states have internal predecessors, (19279), 0 states have call successors, (0), 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 22:14:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18914 states to 18914 states and 19279 transitions. [2021-08-25 22:14:22,343 INFO L78 Accepts]: Start accepts. Automaton has 18914 states and 19279 transitions. Word has length 1544 [2021-08-25 22:14:22,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:22,344 INFO L470 AbstractCegarLoop]: Abstraction has 18914 states and 19279 transitions. [2021-08-25 22:14:22,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 22:14:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 18914 states and 19279 transitions. [2021-08-25 22:14:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1799 [2021-08-25 22:14:22,373 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:22,373 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:14:22,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-25 22:14:22,373 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:22,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:22,374 INFO L82 PathProgramCache]: Analyzing trace with hash 819100233, now seen corresponding path program 1 times [2021-08-25 22:14:22,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:22,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783504583] [2021-08-25 22:14:22,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:22,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6517 backedges. 3801 proven. 156 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2021-08-25 22:14:23,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:23,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783504583] [2021-08-25 22:14:23,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783504583] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:14:23,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298121774] [2021-08-25 22:14:23,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:23,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:14:23,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:14:23,014 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:14:23,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-25 22:14:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:25,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 2100 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:14:25,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:14:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6517 backedges. 3801 proven. 156 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2021-08-25 22:14:29,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298121774] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:14:29,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:14:29,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-08-25 22:14:29,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890154901] [2021-08-25 22:14:29,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:14:29,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:29,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:14:29,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:14:29,191 INFO L87 Difference]: Start difference. First operand 18914 states and 19279 transitions. Second operand has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 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 22:14:30,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:30,577 INFO L93 Difference]: Finished difference Result 40520 states and 41297 transitions. [2021-08-25 22:14:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:14:30,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 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 1798 [2021-08-25 22:14:30,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:30,595 INFO L225 Difference]: With dead ends: 40520 [2021-08-25 22:14:30,595 INFO L226 Difference]: Without dead ends: 21608 [2021-08-25 22:14:30,606 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1801 GetRequests, 1798 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:14:30,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21608 states. [2021-08-25 22:14:30,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21608 to 18015. [2021-08-25 22:14:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18015 states, 18014 states have (on average 1.019207283224159) internal successors, (18360), 18014 states have internal predecessors, (18360), 0 states have call successors, (0), 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 22:14:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18015 states to 18015 states and 18360 transitions. [2021-08-25 22:14:30,795 INFO L78 Accepts]: Start accepts. Automaton has 18015 states and 18360 transitions. Word has length 1798 [2021-08-25 22:14:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:30,796 INFO L470 AbstractCegarLoop]: Abstraction has 18015 states and 18360 transitions. [2021-08-25 22:14:30,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 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 22:14:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 18015 states and 18360 transitions. [2021-08-25 22:14:30,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1800 [2021-08-25 22:14:30,824 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:30,825 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:14:30,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-25 22:14:31,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-08-25 22:14:31,025 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:31,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:31,026 INFO L82 PathProgramCache]: Analyzing trace with hash -597855548, now seen corresponding path program 1 times [2021-08-25 22:14:31,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:31,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119726324] [2021-08-25 22:14:31,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:31,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6353 backedges. 4071 proven. 0 refuted. 0 times theorem prover too weak. 2282 trivial. 0 not checked. [2021-08-25 22:14:31,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:31,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119726324] [2021-08-25 22:14:31,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119726324] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:14:31,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:14:31,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:14:31,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511021732] [2021-08-25 22:14:31,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:14:31,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:31,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:14:31,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:14:31,498 INFO L87 Difference]: Start difference. First operand 18015 states and 18360 transitions. Second operand has 4 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 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 22:14:32,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:32,833 INFO L93 Difference]: Finished difference Result 38130 states and 38849 transitions. [2021-08-25 22:14:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:14:32,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 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 1799 [2021-08-25 22:14:32,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:32,851 INFO L225 Difference]: With dead ends: 38130 [2021-08-25 22:14:32,851 INFO L226 Difference]: Without dead ends: 20117 [2021-08-25 22:14:32,861 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:14:32,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20117 states. [2021-08-25 22:14:32,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20117 to 17417. [2021-08-25 22:14:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17417 states, 17416 states have (on average 1.0183164905833717) internal successors, (17735), 17416 states have internal predecessors, (17735), 0 states have call successors, (0), 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 22:14:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17417 states to 17417 states and 17735 transitions. [2021-08-25 22:14:33,002 INFO L78 Accepts]: Start accepts. Automaton has 17417 states and 17735 transitions. Word has length 1799 [2021-08-25 22:14:33,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:33,003 INFO L470 AbstractCegarLoop]: Abstraction has 17417 states and 17735 transitions. [2021-08-25 22:14:33,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 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 22:14:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 17417 states and 17735 transitions. [2021-08-25 22:14:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1875 [2021-08-25 22:14:33,033 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:14:33,033 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 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 22:14:33,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-25 22:14:33,033 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:14:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:14:33,034 INFO L82 PathProgramCache]: Analyzing trace with hash -552571982, now seen corresponding path program 1 times [2021-08-25 22:14:33,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:14:33,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10425768] [2021-08-25 22:14:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:14:33,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:14:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:14:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6599 backedges. 2033 proven. 0 refuted. 0 times theorem prover too weak. 4566 trivial. 0 not checked. [2021-08-25 22:14:33,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:14:33,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10425768] [2021-08-25 22:14:33,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10425768] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:14:33,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:14:33,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 22:14:33,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793885690] [2021-08-25 22:14:33,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 22:14:33,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:14:33,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 22:14:33,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:14:33,647 INFO L87 Difference]: Start difference. First operand 17417 states and 17735 transitions. Second operand has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 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 22:14:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:14:35,486 INFO L93 Difference]: Finished difference Result 41728 states and 42458 transitions. [2021-08-25 22:14:35,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:14:35,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 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 1874 [2021-08-25 22:14:35,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:14:35,487 INFO L225 Difference]: With dead ends: 41728 [2021-08-25 22:14:35,487 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:14:35,501 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:14:35,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:14:35,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:14:35,502 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 22:14:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:14:35,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1874 [2021-08-25 22:14:35,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:14:35,502 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:14:35,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 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 22:14:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:14:35,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:14:35,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:14:35,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-25 22:14:35,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:14:35,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:14:35,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:14:36,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:14:37,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:14:44,282 WARN L207 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 663 DAG size of output: 194 [2021-08-25 22:14:50,365 WARN L207 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 707 DAG size of output: 198 [2021-08-25 22:14:56,547 WARN L207 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 707 DAG size of output: 198 [2021-08-25 22:14:56,550 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,550 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,550 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,550 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,550 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,550 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,550 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:14:56,550 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:14:56,551 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,552 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,553 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,554 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,555 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,556 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,557 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,558 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,559 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,560 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,561 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,562 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,563 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,564 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,565 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:14:56,566 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,571 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,571 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,571 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,571 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,571 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:14:56,572 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,573 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,574 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,575 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,576 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,576 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,576 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse37 (+ ~a4~0 86)) (.cse38 (+ ~a0~0 61))) (let ((.cse36 (<= (+ ~a29~0 16) 0)) (.cse2 (<= .cse38 0)) (.cse14 (= ~a2~0 1)) (.cse11 (<= 0 (+ 600000 ~a0~0))) (.cse21 (<= 0 (+ ~a29~0 14))) (.cse15 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse24 (< 195721 ~a29~0)) (.cse10 (< 0 .cse37)) (.cse35 (< 43 ~a29~0)) (.cse13 (= ~a2~0 4))) (let ((.cse12 (<= (+ 148 ~a0~0) 0)) (.cse31 (<= 0 (+ 126661 ~a29~0))) (.cse25 (<= 44 ~a29~0)) (.cse9 (<= ~a29~0 43)) (.cse23 (<= 28 ~a0~0)) (.cse19 (<= 0 (+ ~a29~0 192415))) (.cse30 (<= 0 (+ 143 ~a0~0))) (.cse5 (<= (+ 98 ~a0~0) 0)) (.cse28 (<= 0 (+ 97 ~a0~0))) (.cse34 (or (and .cse11 .cse15 .cse21 .cse4 .cse13) (and .cse15 .cse4 (or (and .cse13 .cse24) (and .cse10 .cse35 .cse13))))) (.cse7 (= 3 ~a2~0)) (.cse26 (<= 0 (+ 146 ~a0~0))) (.cse20 (< 0 .cse38)) (.cse0 (= 2 ~a2~0)) (.cse16 (<= .cse37 0)) (.cse6 (<= 0 (+ 600001 ~a29~0))) (.cse27 (<= (+ ~a29~0 127) 0)) (.cse17 (or (and .cse14 .cse2) (and .cse10 .cse14))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse18 (or .cse10 .cse35 .cse36)) (.cse3 (<= 0 (+ 140 ~a0~0))) (.cse33 (or .cse10 .cse36)) (.cse22 (<= ~a29~0 42)) (.cse8 (<= 0 (+ ~a29~0 143))) (.cse32 (<= (+ ~a0~0 147) 0)) (.cse29 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (and .cse4 .cse8 .cse7 .cse9 .cse2) (and .cse10 .cse11 .cse12 .cse4 .cse13 .cse6) (and .cse1 .cse14 .cse2) (and .cse11 .cse15 .cse16 .cse17) (and .cse0 .cse1 .cse18 .cse19) (and .cse20 .cse21 .cse22 .cse16 .cse13) (and .cse23 .cse4 .cse13 .cse24) (and .cse12 .cse4 (<= 96176 ~a29~0) .cse7) (and .cse10 .cse12 .cse4 .cse25 .cse7) (and .cse4 .cse18 .cse5 .cse26 .cse17 .cse19) (and .cse21 .cse0 .cse1 .cse19) (and .cse14 .cse16 .cse27 .cse2) (and .cse20 .cse16 .cse8 .cse7) (and .cse10 .cse28 .cse4 .cse29 .cse8 .cse9 .cse2) (and .cse1 .cse6 .cse7) (and .cse15 .cse21 .cse4 .cse26 .cse7 .cse2) (and (or (and .cse10 .cse21 .cse4 .cse26 .cse29) (and .cse4 .cse26 .cse29 .cse24)) .cse5) (and .cse30 (or (and .cse15 .cse4 .cse29 (<= 0 (+ 141 ~a0~0)) .cse9 .cse19) (and .cse10 .cse15 .cse4 .cse29 .cse6))) (and .cse10 .cse21 .cse4 .cse0 .cse9 .cse2) (and .cse15 .cse4 .cse31 .cse7 .cse9 .cse2) (and .cse32 (or (and .cse10 .cse11 .cse4 .cse0 .cse6) (and .cse10 .cse4 .cse0 .cse19))) (and .cse23 .cse1 .cse13 .cse6 .cse27) (and .cse10 .cse4 .cse32 .cse29 .cse8 .cse9) (and .cse10 .cse4 .cse0 .cse31 .cse27) (and .cse28 .cse4 .cse33 .cse13 .cse8 .cse2) (and .cse28 .cse16 .cse6 .cse7 .cse9 .cse2) (and .cse20 .cse0 .cse25 .cse16) (and .cse21 .cse28 .cse4 .cse13 .cse2) (and .cse1 .cse13 .cse2) (and .cse4 .cse32 .cse6 .cse7 .cse9) (and .cse1 .cse33 .cse13 .cse19) (and .cse23 .cse1 .cse18 .cse14 .cse19) (and .cse20 .cse29 .cse16 .cse8) (and (or (and .cse34 .cse18 .cse32) (and .cse11 .cse4 .cse32 .cse33 .cse13)) .cse8) (and .cse15 .cse4 .cse26 .cse17) (and .cse15 .cse30 .cse4 .cse6 .cse7 .cse2) (and .cse35 .cse0 .cse5) (and .cse10 .cse15 .cse4 .cse0 .cse8) (and .cse14 .cse16 .cse6 .cse27) (and .cse21 .cse28 .cse4 .cse14) (and .cse34 (<= 143458 ~a29~0)) (and .cse1 .cse7 .cse2) (and .cse1 .cse26 .cse29 .cse2) (and .cse20 .cse0 .cse16 .cse6 .cse27) (and .cse11 .cse4 .cse18 .cse17 .cse8) (and .cse1 .cse18 .cse29 .cse2) (and .cse15 .cse3 .cse4 .cse33 .cse22 .cse13 .cse8) (and .cse11 .cse35 .cse4 .cse32 .cse29))))) [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,577 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,578 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,579 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:14:56,580 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,580 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,580 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,580 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,580 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse38 (+ ~a4~0 86)) (.cse39 (+ ~a0~0 61))) (let ((.cse37 (<= (+ ~a29~0 16) 0)) (.cse11 (<= 0 (+ 600000 ~a0~0))) (.cse18 (<= 0 (+ ~a29~0 14))) (.cse28 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse22 (< 195721 ~a29~0)) (.cse36 (< 43 ~a29~0)) (.cse13 (= ~a2~0 4)) (.cse2 (<= .cse39 0)) (.cse10 (< 0 .cse38)) (.cse14 (= ~a2~0 1))) (let ((.cse12 (<= (+ 148 ~a0~0) 0)) (.cse25 (<= 0 (+ 141 ~a0~0))) (.cse31 (<= 0 (+ 126661 ~a29~0))) (.cse23 (<= 44 ~a29~0)) (.cse9 (<= ~a29~0 43)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse24 (or (and .cse14 .cse2) (and .cse10 .cse14))) (.cse30 (<= 0 (+ 143 ~a0~0))) (.cse5 (<= (+ 98 ~a0~0) 0)) (.cse26 (<= 0 (+ 97 ~a0~0))) (.cse35 (or (and .cse11 .cse28 .cse18 .cse4 .cse13) (and .cse28 .cse4 (or (and .cse13 .cse22) (and .cse10 .cse36 .cse13))))) (.cse21 (<= 28 ~a0~0)) (.cse7 (= 3 ~a2~0)) (.cse29 (<= 0 (+ 146 ~a0~0))) (.cse17 (< 0 .cse39)) (.cse0 (= 2 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0))) (.cse20 (<= .cse38 0)) (.cse33 (<= (+ ~a29~0 127) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse15 (or .cse10 .cse36 .cse37)) (.cse3 (<= 0 (+ 140 ~a0~0))) (.cse34 (or .cse10 .cse37)) (.cse19 (<= ~a29~0 42)) (.cse8 (<= 0 (+ ~a29~0 143))) (.cse32 (<= (+ ~a0~0 147) 0)) (.cse27 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (and .cse4 .cse8 .cse7 .cse9 .cse2) (and .cse10 .cse11 .cse12 .cse4 .cse13 .cse6) (and .cse1 .cse14 .cse2) (and .cse0 .cse1 .cse15 .cse16) (and .cse17 .cse18 .cse19 .cse20 .cse13) (and .cse21 .cse4 .cse13 .cse22) (and .cse12 .cse4 (<= 96176 ~a29~0) .cse7) (and .cse10 .cse12 .cse4 .cse23 .cse7) (and .cse18 .cse0 .cse1 .cse16) (and .cse17 .cse20 .cse8 .cse7) (and .cse4 .cse15 .cse5 .cse24 .cse25 .cse16) (and .cse10 .cse26 .cse4 .cse27 .cse8 .cse9 .cse2) (and .cse1 .cse6 .cse7) (and .cse28 .cse18 .cse4 .cse29 .cse7 .cse2) (and (or (and .cse10 .cse18 .cse4 .cse29 .cse27) (and .cse4 .cse29 .cse27 .cse22)) .cse5) (and .cse30 (or (and .cse28 .cse4 .cse27 .cse25 .cse9 .cse16) (and .cse10 .cse28 .cse4 .cse27 .cse6))) (and .cse10 .cse18 .cse4 .cse0 .cse9 .cse2) (and .cse28 .cse4 .cse31 .cse7 .cse9 .cse2) (and .cse32 (or (and .cse10 .cse11 .cse4 .cse0 .cse6) (and .cse10 .cse4 .cse0 .cse16))) (and .cse21 .cse1 .cse13 .cse6 .cse33) (and .cse10 .cse4 .cse32 .cse27 .cse8 .cse9) (and .cse10 .cse4 .cse0 .cse31 .cse33) (and .cse26 .cse4 .cse34 .cse13 .cse8 .cse2) (and .cse26 .cse20 .cse6 .cse7 .cse9 .cse2) (and .cse11 .cse4 .cse15 .cse24 .cse8 .cse16) (and .cse17 .cse0 .cse23 .cse20) (and .cse11 .cse28 .cse4 .cse24 .cse8) (and .cse18 .cse26 .cse4 .cse13 .cse2) (and .cse1 .cse13 .cse2) (and .cse4 .cse32 .cse6 .cse7 .cse9) (and .cse1 .cse34 .cse13 .cse16) (and .cse17 .cse27 .cse20 .cse8) (and (or (and .cse35 .cse15 .cse32) (and .cse11 .cse4 .cse32 .cse34 .cse13)) .cse8) (and .cse28 .cse4 .cse29 .cse24) (and .cse28 .cse30 .cse4 .cse6 .cse7 .cse2) (and .cse36 .cse0 .cse5) (and .cse10 .cse28 .cse4 .cse0 .cse8) (and .cse18 .cse26 .cse4 .cse14) (and .cse35 (<= 143458 ~a29~0)) (and .cse21 .cse1 .cse15 .cse14) (and .cse1 .cse7 .cse2) (and .cse1 .cse29 .cse27 .cse2) (and .cse17 .cse0 .cse20 .cse6 .cse33) (and .cse14 .cse20 .cse33) (and .cse1 .cse15 .cse27 .cse2) (and .cse28 .cse3 .cse4 .cse34 .cse19 .cse13 .cse8) (and .cse11 .cse36 .cse4 .cse32 .cse27))))) [2021-08-25 22:14:56,580 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,580 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,581 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:14:56,582 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,583 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,584 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,585 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,586 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,587 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse38 (+ ~a4~0 86)) (.cse39 (+ ~a0~0 61))) (let ((.cse37 (<= (+ ~a29~0 16) 0)) (.cse11 (<= 0 (+ 600000 ~a0~0))) (.cse18 (<= 0 (+ ~a29~0 14))) (.cse28 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse22 (< 195721 ~a29~0)) (.cse36 (< 43 ~a29~0)) (.cse13 (= ~a2~0 4)) (.cse2 (<= .cse39 0)) (.cse10 (< 0 .cse38)) (.cse14 (= ~a2~0 1))) (let ((.cse12 (<= (+ 148 ~a0~0) 0)) (.cse25 (<= 0 (+ 141 ~a0~0))) (.cse31 (<= 0 (+ 126661 ~a29~0))) (.cse23 (<= 44 ~a29~0)) (.cse9 (<= ~a29~0 43)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse24 (or (and .cse14 .cse2) (and .cse10 .cse14))) (.cse30 (<= 0 (+ 143 ~a0~0))) (.cse5 (<= (+ 98 ~a0~0) 0)) (.cse26 (<= 0 (+ 97 ~a0~0))) (.cse35 (or (and .cse11 .cse28 .cse18 .cse4 .cse13) (and .cse28 .cse4 (or (and .cse13 .cse22) (and .cse10 .cse36 .cse13))))) (.cse21 (<= 28 ~a0~0)) (.cse7 (= 3 ~a2~0)) (.cse29 (<= 0 (+ 146 ~a0~0))) (.cse17 (< 0 .cse39)) (.cse0 (= 2 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0))) (.cse20 (<= .cse38 0)) (.cse33 (<= (+ ~a29~0 127) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse15 (or .cse10 .cse36 .cse37)) (.cse3 (<= 0 (+ 140 ~a0~0))) (.cse34 (or .cse10 .cse37)) (.cse19 (<= ~a29~0 42)) (.cse8 (<= 0 (+ ~a29~0 143))) (.cse32 (<= (+ ~a0~0 147) 0)) (.cse27 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (and .cse4 .cse8 .cse7 .cse9 .cse2) (and .cse10 .cse11 .cse12 .cse4 .cse13 .cse6) (and .cse1 .cse14 .cse2) (and .cse0 .cse1 .cse15 .cse16) (and .cse17 .cse18 .cse19 .cse20 .cse13) (and .cse21 .cse4 .cse13 .cse22) (and .cse12 .cse4 (<= 96176 ~a29~0) .cse7) (and .cse10 .cse12 .cse4 .cse23 .cse7) (and .cse18 .cse0 .cse1 .cse16) (and .cse17 .cse20 .cse8 .cse7) (and .cse4 .cse15 .cse5 .cse24 .cse25 .cse16) (and .cse10 .cse26 .cse4 .cse27 .cse8 .cse9 .cse2) (and .cse1 .cse6 .cse7) (and .cse28 .cse18 .cse4 .cse29 .cse7 .cse2) (and (or (and .cse10 .cse18 .cse4 .cse29 .cse27) (and .cse4 .cse29 .cse27 .cse22)) .cse5) (and .cse30 (or (and .cse28 .cse4 .cse27 .cse25 .cse9 .cse16) (and .cse10 .cse28 .cse4 .cse27 .cse6))) (and .cse10 .cse18 .cse4 .cse0 .cse9 .cse2) (and .cse28 .cse4 .cse31 .cse7 .cse9 .cse2) (and .cse32 (or (and .cse10 .cse11 .cse4 .cse0 .cse6) (and .cse10 .cse4 .cse0 .cse16))) (and .cse21 .cse1 .cse13 .cse6 .cse33) (and .cse10 .cse4 .cse32 .cse27 .cse8 .cse9) (and .cse10 .cse4 .cse0 .cse31 .cse33) (and .cse26 .cse4 .cse34 .cse13 .cse8 .cse2) (and .cse26 .cse20 .cse6 .cse7 .cse9 .cse2) (and .cse11 .cse4 .cse15 .cse24 .cse8 .cse16) (and .cse17 .cse0 .cse23 .cse20) (and .cse11 .cse28 .cse4 .cse24 .cse8) (and .cse18 .cse26 .cse4 .cse13 .cse2) (and .cse1 .cse13 .cse2) (and .cse4 .cse32 .cse6 .cse7 .cse9) (and .cse1 .cse34 .cse13 .cse16) (and .cse17 .cse27 .cse20 .cse8) (and (or (and .cse35 .cse15 .cse32) (and .cse11 .cse4 .cse32 .cse34 .cse13)) .cse8) (and .cse28 .cse4 .cse29 .cse24) (and .cse28 .cse30 .cse4 .cse6 .cse7 .cse2) (and .cse36 .cse0 .cse5) (and .cse10 .cse28 .cse4 .cse0 .cse8) (and .cse18 .cse26 .cse4 .cse14) (and .cse35 (<= 143458 ~a29~0)) (and .cse21 .cse1 .cse15 .cse14) (and .cse1 .cse7 .cse2) (and .cse1 .cse29 .cse27 .cse2) (and .cse17 .cse0 .cse20 .cse6 .cse33) (and .cse14 .cse20 .cse33) (and .cse1 .cse15 .cse27 .cse2) (and .cse28 .cse3 .cse4 .cse34 .cse19 .cse13 .cse8) (and .cse11 .cse36 .cse4 .cse32 .cse27))))) [2021-08-25 22:14:56,587 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:14:56,587 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:14:56,587 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,587 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,587 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,587 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,587 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,588 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:14:56,589 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,590 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-25 22:14:56,591 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,592 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:14:56,593 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,593 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:14:56,593 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,593 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:14:56,593 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-25 22:14:56,596 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:14:56,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:14:56 BoogieIcfgContainer [2021-08-25 22:14:56,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:14:56,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:14:56,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:14:56,622 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:14:56,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:12:51" (3/4) ... [2021-08-25 22:14:56,625 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:14:56,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:14:56,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:14:56,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:14:56,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:14:56,754 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:14:56,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:14:56,755 INFO L168 Benchmark]: Toolchain (without parser) took 128144.31 ms. Allocated memory was 58.7 MB in the beginning and 2.3 GB in the end (delta: 2.3 GB). Free memory was 32.4 MB in the beginning and 1.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 376.2 MB. Max. memory is 16.1 GB. [2021-08-25 22:14:56,755 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:14:56,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.64 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 32.2 MB in the beginning and 33.8 MB in the end (delta: -1.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-08-25 22:14:56,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.74 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 33.8 MB in the beginning and 50.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:14:56,756 INFO L168 Benchmark]: Boogie Preprocessor took 147.12 ms. Allocated memory is still 104.9 MB. Free memory was 50.0 MB in the beginning and 40.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:14:56,756 INFO L168 Benchmark]: RCFGBuilder took 2126.23 ms. Allocated memory was 104.9 MB in the beginning and 375.4 MB in the end (delta: 270.5 MB). Free memory was 40.9 MB in the beginning and 270.6 MB in the end (delta: -229.7 MB). Peak memory consumption was 85.4 MB. Max. memory is 16.1 GB. [2021-08-25 22:14:56,756 INFO L168 Benchmark]: TraceAbstraction took 124821.89 ms. Allocated memory was 375.4 MB in the beginning and 2.3 GB in the end (delta: 1.9 GB). Free memory was 270.6 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2021-08-25 22:14:56,757 INFO L168 Benchmark]: Witness Printer took 131.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:14:56,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 731.64 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 32.2 MB in the beginning and 33.8 MB in the end (delta: -1.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 179.74 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 33.8 MB in the beginning and 50.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 147.12 ms. Allocated memory is still 104.9 MB. Free memory was 50.0 MB in the beginning and 40.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2126.23 ms. Allocated memory was 104.9 MB in the beginning and 375.4 MB in the end (delta: 270.5 MB). Free memory was 40.9 MB in the beginning and 270.6 MB in the end (delta: -229.7 MB). Peak memory consumption was 85.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 124821.89 ms. Allocated memory was 375.4 MB in the beginning and 2.3 GB in the end (delta: 1.9 GB). Free memory was 270.6 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. * Witness Printer took 131.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 44.0 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: 206]: 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: 124734.6ms, OverallIterations: 31, TraceHistogramMax: 11, EmptinessCheckTime: 446.5ms, AutomataDifference: 58705.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 21044.3ms, InitialAbstractionConstructionTime: 15.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 8769 SDtfs, 16314 SDslu, 1754 SDs, 0 SdLazy, 51242 SolverSat, 6033 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43099.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8536 GetRequests, 8434 SyntacticMatches, 3 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 555.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=29101occurred in iteration=21, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5116.5ms AutomataMinimizationTime, 31 MinimizatonAttempts, 74620 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 345 NumberOfFragments, 4271 HoareAnnotationTreeSize, 4 FomulaSimplifications, 5085541 FormulaSimplificationTreeSizeReduction, 3499.2ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 1056216 FormulaSimplificationTreeSizeReductionInter, 17528.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 876.4ms SsaConstructionTime, 2924.8ms SatisfiabilityAnalysisTime, 24123.8ms InterpolantComputationTime, 35089 NumberOfCodeBlocks, 35089 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 35049 ConstructedInterpolants, 0 QuantifiedInterpolants, 79496 SizeOfPredicates, 4 NumberOfNonLiveVariables, 10062 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 40 InterpolantComputations, 26 PerfectInterpolantSequences, 76402/78318 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: ((((((((((((((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((((0 <= 140 + a0 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 <= 600000 + a0) && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((0 <= 600000 + a0 && 104 + a0 <= 0) && a4 + 86 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || (((2 == a2 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || (((28 <= a0 && 42 + a4 <= 0) && a2 == 4) && 195721 < a29)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 96176 <= a29) && 3 == a2)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((((42 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 98 + a0 <= 0) && 0 <= 146 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || (((0 <= a29 + 14 && 2 == a2) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0) && a0 + 61 <= 0)) || (((0 < a0 + 61 && a4 + 86 <= 0) && 0 <= a29 + 143) && 3 == a2)) || ((((((0 < a4 + 86 && 0 <= 97 + a0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || (((((104 + a0 <= 0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) || (((42 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && 195721 < a29)) && 98 + a0 <= 0)) || (0 <= 143 + a0 && ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && a29 <= 43) && 0 <= a29 + 192415) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29)))) || (((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 126661 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && (((((0 < a4 + 86 && 0 <= 600000 + a0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 600001 + a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 192415)))) || ((((28 <= a0 && 89 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 126661 + a29) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 143) && a0 + 61 <= 0)) || (((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 192415)) || ((((28 <= a0 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a2 == 1) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 143)) || (((((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a0 + 147 <= 0) || ((((0 <= 600000 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4)) && 0 <= a29 + 143)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 143)) || (((a2 == 1 && a4 + 86 <= 0) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1)) || ((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && 143458 <= a29)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || ((((0 <= 600000 + a0 && 42 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || (((89 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 5 <= a2) && a0 + 61 <= 0)) || ((((((104 + a0 <= 0 && 0 <= 140 + a0) && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a29 <= 42) && a2 == 4) && 0 <= a29 + 143)) || ((((0 <= 600000 + a0 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((((0 <= 140 + a0 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 <= 600000 + a0) && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((2 == a2 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || (((28 <= a0 && 42 + a4 <= 0) && a2 == 4) && 195721 < a29)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 96176 <= a29) && 3 == a2)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((0 <= a29 + 14 && 2 == a2) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && a4 + 86 <= 0) && 0 <= a29 + 143) && 3 == a2)) || (((((42 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 98 + a0 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 141 + a0) && 0 <= a29 + 192415)) || ((((((0 < a4 + 86 && 0 <= 97 + a0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || (((((104 + a0 <= 0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) || (((42 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && 195721 < a29)) && 98 + a0 <= 0)) || (0 <= 143 + a0 && ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && a29 <= 43) && 0 <= a29 + 192415) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29)))) || (((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 126661 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && (((((0 < a4 + 86 && 0 <= 600000 + a0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 600001 + a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 192415)))) || ((((28 <= a0 && 89 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 126661 + a29) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 143) && a0 + 61 <= 0)) || (((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 <= 600000 + a0 && 42 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 <= 600000 + a0 && 104 + a0 <= 0) && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || ((((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 143)) || (((((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a0 + 147 <= 0) || ((((0 <= 600000 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4)) && 0 <= a29 + 143)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 143)) || (((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1)) || ((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && 143458 <= a29)) || (((28 <= a0 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a2 == 1)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 5 <= a2) && a0 + 61 <= 0)) || ((((((104 + a0 <= 0 && 0 <= 140 + a0) && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a29 <= 42) && a2 == 4) && 0 <= a29 + 143)) || ((((0 <= 600000 + a0 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((((0 <= 140 + a0 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 <= 600000 + a0) && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((2 == a2 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || (((28 <= a0 && 42 + a4 <= 0) && a2 == 4) && 195721 < a29)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 96176 <= a29) && 3 == a2)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((0 <= a29 + 14 && 2 == a2) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && a4 + 86 <= 0) && 0 <= a29 + 143) && 3 == a2)) || (((((42 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 98 + a0 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 141 + a0) && 0 <= a29 + 192415)) || ((((((0 < a4 + 86 && 0 <= 97 + a0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || (((((104 + a0 <= 0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) || (((42 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && 195721 < a29)) && 98 + a0 <= 0)) || (0 <= 143 + a0 && ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && a29 <= 43) && 0 <= a29 + 192415) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29)))) || (((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 126661 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && (((((0 < a4 + 86 && 0 <= 600000 + a0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 600001 + a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 192415)))) || ((((28 <= a0 && 89 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 126661 + a29) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 143) && a0 + 61 <= 0)) || (((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 <= 600000 + a0 && 42 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 <= 600000 + a0 && 104 + a0 <= 0) && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || ((((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 143)) || (((((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a0 + 147 <= 0) || ((((0 <= 600000 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4)) && 0 <= a29 + 143)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 143)) || (((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1)) || ((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && 143458 <= a29)) || (((28 <= a0 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a2 == 1)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 5 <= a2) && a0 + 61 <= 0)) || ((((((104 + a0 <= 0 && 0 <= 140 + a0) && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a29 <= 42) && a2 == 4) && 0 <= a29 + 143)) || ((((0 <= 600000 + a0 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) RESULT: Ultimate proved your program to be correct! [2021-08-25 22:14:56,796 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...