./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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/bitvector/s3_srvr_3a_alt.BV.c.cil.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 3c1b0557200bb93e177956c2673df3bb0520e234 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:21:56,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:21:56,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:21:56,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:21:56,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:21:56,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:21:56,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:21:56,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:21:56,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:21:56,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:21:56,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:21:56,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:21:56,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:21:56,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:21:56,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:21:56,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:21:56,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:21:56,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:21:56,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:21:56,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:21:56,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:21:56,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:21:56,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:21:56,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:21:56,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:21:56,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:21:56,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:21:56,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:21:56,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:21:56,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:21:56,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:21:56,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:21:56,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:21:56,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:21:56,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:21:56,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:21:56,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:21:56,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:21:56,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:21:56,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:21:56,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:21:56,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:21:56,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:21:56,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:21:56,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:21:56,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:21:56,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:21:56,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:21:56,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:21:56,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:21:56,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:21:56,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:21:56,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:21:56,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:21:56,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:21:56,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:21:56,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:21:56,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:21:56,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:21:56,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:21:56,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:21:56,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:21:56,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:21:56,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:21:56,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:21:56,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:21:56,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:21:56,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:21:56,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:21:56,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:21:56,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:21:56,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 3c1b0557200bb93e177956c2673df3bb0520e234 [2020-10-19 22:21:57,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:21:57,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:21:57,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:21:57,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:21:57,116 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:21:57,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2020-10-19 22:21:57,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a634d81aa/1f47cb9c83ba4cae86443ac5a2d8c822/FLAGaeabcba6b [2020-10-19 22:21:57,765 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:21:57,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2020-10-19 22:21:57,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a634d81aa/1f47cb9c83ba4cae86443ac5a2d8c822/FLAGaeabcba6b [2020-10-19 22:21:58,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a634d81aa/1f47cb9c83ba4cae86443ac5a2d8c822 [2020-10-19 22:21:58,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:21:58,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:21:58,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:21:58,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:21:58,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:21:58,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277eedf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58, skipping insertion in model container [2020-10-19 22:21:58,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:21:58,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:21:58,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:21:58,420 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:21:58,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:21:58,505 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:21:58,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58 WrapperNode [2020-10-19 22:21:58,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:21:58,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:21:58,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:21:58,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:21:58,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:21:58,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:21:58,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:21:58,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:21:58,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... [2020-10-19 22:21:58,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:21:58,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:21:58,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:21:58,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:21:58,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:21:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:21:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:21:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:21:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:21:58,848 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 22:21:59,466 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-19 22:21:59,467 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-19 22:21:59,480 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:21:59,481 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:21:59,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:21:59 BoogieIcfgContainer [2020-10-19 22:21:59,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:21:59,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:21:59,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:21:59,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:21:59,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:21:58" (1/3) ... [2020-10-19 22:21:59,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28151535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:21:59, skipping insertion in model container [2020-10-19 22:21:59,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:21:58" (2/3) ... [2020-10-19 22:21:59,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28151535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:21:59, skipping insertion in model container [2020-10-19 22:21:59,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:21:59" (3/3) ... [2020-10-19 22:21:59,493 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2020-10-19 22:21:59,505 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:21:59,513 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:21:59,527 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:21:59,555 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:21:59,556 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:21:59,556 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:21:59,557 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:21:59,557 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:21:59,557 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:21:59,557 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:21:59,557 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:21:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2020-10-19 22:21:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-19 22:21:59,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:21:59,590 INFO L422 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] [2020-10-19 22:21:59,590 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:21:59,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:21:59,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2020-10-19 22:21:59,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:21:59,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320640438] [2020-10-19 22:21:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:21:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:21:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:21:59,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320640438] [2020-10-19 22:21:59,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:21:59,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:21:59,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879211193] [2020-10-19 22:21:59,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:21:59,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:21:59,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:21:59,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:21:59,902 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2020-10-19 22:22:00,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:00,258 INFO L93 Difference]: Finished difference Result 324 states and 560 transitions. [2020-10-19 22:22:00,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:00,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-10-19 22:22:00,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:00,276 INFO L225 Difference]: With dead ends: 324 [2020-10-19 22:22:00,277 INFO L226 Difference]: Without dead ends: 171 [2020-10-19 22:22:00,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:00,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-19 22:22:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2020-10-19 22:22:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-19 22:22:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2020-10-19 22:22:00,332 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2020-10-19 22:22:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:00,333 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2020-10-19 22:22:00,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2020-10-19 22:22:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-19 22:22:00,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:00,336 INFO L422 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] [2020-10-19 22:22:00,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:22:00,336 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:00,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:00,337 INFO L82 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2020-10-19 22:22:00,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:00,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153091945] [2020-10-19 22:22:00,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:22:00,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153091945] [2020-10-19 22:22:00,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:00,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:00,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784468794] [2020-10-19 22:22:00,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:00,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:00,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:00,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:00,480 INFO L87 Difference]: Start difference. First operand 166 states and 271 transitions. Second operand 3 states. [2020-10-19 22:22:00,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:00,815 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2020-10-19 22:22:00,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:00,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-10-19 22:22:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:00,819 INFO L225 Difference]: With dead ends: 372 [2020-10-19 22:22:00,819 INFO L226 Difference]: Without dead ends: 212 [2020-10-19 22:22:00,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:00,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-19 22:22:00,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2020-10-19 22:22:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-19 22:22:00,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2020-10-19 22:22:00,844 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2020-10-19 22:22:00,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:00,844 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2020-10-19 22:22:00,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2020-10-19 22:22:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-19 22:22:00,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:00,849 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:00,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:22:00,849 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:00,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:00,850 INFO L82 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2020-10-19 22:22:00,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:00,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931809301] [2020-10-19 22:22:00,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:22:00,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931809301] [2020-10-19 22:22:00,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:00,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:00,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601594920] [2020-10-19 22:22:00,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:00,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:00,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:00,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:00,941 INFO L87 Difference]: Start difference. First operand 207 states and 348 transitions. Second operand 3 states. [2020-10-19 22:22:01,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:01,193 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2020-10-19 22:22:01,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:01,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-10-19 22:22:01,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:01,199 INFO L225 Difference]: With dead ends: 437 [2020-10-19 22:22:01,199 INFO L226 Difference]: Without dead ends: 238 [2020-10-19 22:22:01,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:01,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-19 22:22:01,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-10-19 22:22:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-10-19 22:22:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2020-10-19 22:22:01,240 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2020-10-19 22:22:01,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:01,241 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2020-10-19 22:22:01,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:01,242 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2020-10-19 22:22:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-19 22:22:01,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:01,246 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:01,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:22:01,246 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:01,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:01,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2020-10-19 22:22:01,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:01,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425876420] [2020-10-19 22:22:01,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-19 22:22:01,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425876420] [2020-10-19 22:22:01,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:01,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:01,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982716686] [2020-10-19 22:22:01,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:01,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:01,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:01,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:01,311 INFO L87 Difference]: Start difference. First operand 238 states and 404 transitions. Second operand 3 states. [2020-10-19 22:22:01,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:01,506 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2020-10-19 22:22:01,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:01,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-10-19 22:22:01,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:01,509 INFO L225 Difference]: With dead ends: 485 [2020-10-19 22:22:01,509 INFO L226 Difference]: Without dead ends: 255 [2020-10-19 22:22:01,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:01,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-10-19 22:22:01,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2020-10-19 22:22:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-19 22:22:01,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2020-10-19 22:22:01,526 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2020-10-19 22:22:01,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:01,526 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2020-10-19 22:22:01,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:01,526 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2020-10-19 22:22:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-19 22:22:01,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:01,530 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:01,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:22:01,530 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:01,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:01,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2020-10-19 22:22:01,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:01,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745256155] [2020-10-19 22:22:01,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:22:01,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745256155] [2020-10-19 22:22:01,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:01,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:01,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114978283] [2020-10-19 22:22:01,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:01,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:01,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:01,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:01,647 INFO L87 Difference]: Start difference. First operand 253 states and 427 transitions. Second operand 3 states. [2020-10-19 22:22:01,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:01,900 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2020-10-19 22:22:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:01,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-10-19 22:22:01,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:01,903 INFO L225 Difference]: With dead ends: 544 [2020-10-19 22:22:01,903 INFO L226 Difference]: Without dead ends: 299 [2020-10-19 22:22:01,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:01,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-10-19 22:22:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2020-10-19 22:22:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-19 22:22:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2020-10-19 22:22:01,920 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2020-10-19 22:22:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:01,920 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2020-10-19 22:22:01,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2020-10-19 22:22:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-19 22:22:01,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:01,925 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:01,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:22:01,927 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:01,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:01,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2020-10-19 22:22:01,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:01,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003380837] [2020-10-19 22:22:01,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-19 22:22:02,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003380837] [2020-10-19 22:22:02,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:02,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:02,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175759671] [2020-10-19 22:22:02,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:02,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:02,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:02,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:02,061 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand 3 states. [2020-10-19 22:22:02,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:02,230 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2020-10-19 22:22:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:02,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-10-19 22:22:02,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:02,234 INFO L225 Difference]: With dead ends: 584 [2020-10-19 22:22:02,234 INFO L226 Difference]: Without dead ends: 297 [2020-10-19 22:22:02,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:02,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-19 22:22:02,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2020-10-19 22:22:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-19 22:22:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2020-10-19 22:22:02,248 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2020-10-19 22:22:02,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:02,249 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2020-10-19 22:22:02,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2020-10-19 22:22:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-19 22:22:02,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:02,251 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:02,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:22:02,251 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:02,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:02,252 INFO L82 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2020-10-19 22:22:02,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:02,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764985190] [2020-10-19 22:22:02,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:22:02,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764985190] [2020-10-19 22:22:02,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:02,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:02,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281501824] [2020-10-19 22:22:02,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:02,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:02,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:02,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:02,318 INFO L87 Difference]: Start difference. First operand 295 states and 497 transitions. Second operand 3 states. [2020-10-19 22:22:02,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:02,552 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2020-10-19 22:22:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:02,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-10-19 22:22:02,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:02,556 INFO L225 Difference]: With dead ends: 586 [2020-10-19 22:22:02,557 INFO L226 Difference]: Without dead ends: 297 [2020-10-19 22:22:02,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:02,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-19 22:22:02,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2020-10-19 22:22:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-10-19 22:22:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2020-10-19 22:22:02,571 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2020-10-19 22:22:02,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:02,571 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2020-10-19 22:22:02,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2020-10-19 22:22:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-19 22:22:02,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:02,573 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:02,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:22:02,574 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:02,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:02,574 INFO L82 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2020-10-19 22:22:02,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:02,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398084536] [2020-10-19 22:22:02,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-19 22:22:02,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398084536] [2020-10-19 22:22:02,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:02,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:02,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566347078] [2020-10-19 22:22:02,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:02,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:02,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:02,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:02,629 INFO L87 Difference]: Start difference. First operand 293 states and 492 transitions. Second operand 3 states. [2020-10-19 22:22:02,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:02,781 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2020-10-19 22:22:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:02,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-10-19 22:22:02,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:02,784 INFO L225 Difference]: With dead ends: 586 [2020-10-19 22:22:02,784 INFO L226 Difference]: Without dead ends: 301 [2020-10-19 22:22:02,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:02,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-10-19 22:22:02,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2020-10-19 22:22:02,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-10-19 22:22:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2020-10-19 22:22:02,797 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2020-10-19 22:22:02,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:02,797 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2020-10-19 22:22:02,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2020-10-19 22:22:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-19 22:22:02,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:02,799 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:02,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:22:02,800 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:02,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:02,800 INFO L82 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2020-10-19 22:22:02,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:02,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460148030] [2020-10-19 22:22:02,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-19 22:22:02,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460148030] [2020-10-19 22:22:02,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:02,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:02,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043999342] [2020-10-19 22:22:02,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:02,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:02,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:02,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:02,864 INFO L87 Difference]: Start difference. First operand 301 states and 497 transitions. Second operand 3 states. [2020-10-19 22:22:03,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:03,055 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2020-10-19 22:22:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:03,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-19 22:22:03,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:03,059 INFO L225 Difference]: With dead ends: 625 [2020-10-19 22:22:03,059 INFO L226 Difference]: Without dead ends: 332 [2020-10-19 22:22:03,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-19 22:22:03,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2020-10-19 22:22:03,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-10-19 22:22:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2020-10-19 22:22:03,075 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2020-10-19 22:22:03,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:03,075 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2020-10-19 22:22:03,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2020-10-19 22:22:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-19 22:22:03,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:03,077 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:03,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 22:22:03,078 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:03,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:03,079 INFO L82 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2020-10-19 22:22:03,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:03,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050056266] [2020-10-19 22:22:03,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-19 22:22:03,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050056266] [2020-10-19 22:22:03,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:03,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:03,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208511673] [2020-10-19 22:22:03,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:03,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:03,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:03,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:03,133 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand 3 states. [2020-10-19 22:22:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:03,325 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2020-10-19 22:22:03,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:03,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-10-19 22:22:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:03,328 INFO L225 Difference]: With dead ends: 686 [2020-10-19 22:22:03,329 INFO L226 Difference]: Without dead ends: 364 [2020-10-19 22:22:03,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:03,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-19 22:22:03,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-10-19 22:22:03,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-10-19 22:22:03,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2020-10-19 22:22:03,343 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2020-10-19 22:22:03,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:03,343 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2020-10-19 22:22:03,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2020-10-19 22:22:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-19 22:22:03,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:03,346 INFO L422 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, 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] [2020-10-19 22:22:03,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:22:03,346 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:03,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:03,347 INFO L82 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2020-10-19 22:22:03,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:03,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218438675] [2020-10-19 22:22:03,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-19 22:22:03,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218438675] [2020-10-19 22:22:03,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:03,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:03,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277709959] [2020-10-19 22:22:03,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:03,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:03,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:03,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:03,396 INFO L87 Difference]: Start difference. First operand 357 states and 586 transitions. Second operand 3 states. [2020-10-19 22:22:03,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:03,617 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2020-10-19 22:22:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:03,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-10-19 22:22:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:03,622 INFO L225 Difference]: With dead ends: 708 [2020-10-19 22:22:03,622 INFO L226 Difference]: Without dead ends: 359 [2020-10-19 22:22:03,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:03,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-10-19 22:22:03,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2020-10-19 22:22:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-10-19 22:22:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2020-10-19 22:22:03,646 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2020-10-19 22:22:03,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:03,647 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2020-10-19 22:22:03,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2020-10-19 22:22:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-19 22:22:03,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:03,650 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:22:03,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 22:22:03,651 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:03,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:03,652 INFO L82 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2020-10-19 22:22:03,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:03,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581646611] [2020-10-19 22:22:03,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:03,712 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-19 22:22:03,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581646611] [2020-10-19 22:22:03,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:03,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:03,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403556459] [2020-10-19 22:22:03,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:03,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:03,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:03,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:03,716 INFO L87 Difference]: Start difference. First operand 357 states and 582 transitions. Second operand 3 states. [2020-10-19 22:22:03,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:03,963 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2020-10-19 22:22:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:03,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-10-19 22:22:03,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:03,968 INFO L225 Difference]: With dead ends: 713 [2020-10-19 22:22:03,969 INFO L226 Difference]: Without dead ends: 364 [2020-10-19 22:22:03,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:03,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-19 22:22:03,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-10-19 22:22:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-10-19 22:22:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2020-10-19 22:22:03,994 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2020-10-19 22:22:03,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:03,995 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2020-10-19 22:22:03,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2020-10-19 22:22:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-19 22:22:03,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:03,999 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:03,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 22:22:03,999 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:04,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2020-10-19 22:22:04,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:04,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897436162] [2020-10-19 22:22:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-19 22:22:04,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897436162] [2020-10-19 22:22:04,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:04,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:04,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935545242] [2020-10-19 22:22:04,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:04,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:04,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:04,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:04,107 INFO L87 Difference]: Start difference. First operand 357 states and 577 transitions. Second operand 3 states. [2020-10-19 22:22:04,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:04,319 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2020-10-19 22:22:04,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:04,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-19 22:22:04,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:04,323 INFO L225 Difference]: With dead ends: 731 [2020-10-19 22:22:04,323 INFO L226 Difference]: Without dead ends: 382 [2020-10-19 22:22:04,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:04,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-10-19 22:22:04,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-10-19 22:22:04,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-10-19 22:22:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2020-10-19 22:22:04,342 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2020-10-19 22:22:04,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:04,343 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2020-10-19 22:22:04,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2020-10-19 22:22:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-19 22:22:04,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:04,346 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-10-19 22:22:04,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 22:22:04,346 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:04,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:04,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2020-10-19 22:22:04,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:04,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920075521] [2020-10-19 22:22:04,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-19 22:22:04,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920075521] [2020-10-19 22:22:04,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:04,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:04,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818690672] [2020-10-19 22:22:04,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:04,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:04,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:04,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:04,401 INFO L87 Difference]: Start difference. First operand 378 states and 606 transitions. Second operand 3 states. [2020-10-19 22:22:04,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:04,593 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2020-10-19 22:22:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:04,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-10-19 22:22:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:04,596 INFO L225 Difference]: With dead ends: 752 [2020-10-19 22:22:04,597 INFO L226 Difference]: Without dead ends: 382 [2020-10-19 22:22:04,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:04,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-10-19 22:22:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-10-19 22:22:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-10-19 22:22:04,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2020-10-19 22:22:04,616 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2020-10-19 22:22:04,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:04,616 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2020-10-19 22:22:04,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2020-10-19 22:22:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-19 22:22:04,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:04,619 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:04,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 22:22:04,620 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:04,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:04,620 INFO L82 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2020-10-19 22:22:04,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:04,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349539506] [2020-10-19 22:22:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-19 22:22:04,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349539506] [2020-10-19 22:22:04,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:04,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:04,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861352990] [2020-10-19 22:22:04,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:04,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:04,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:04,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:04,677 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand 3 states. [2020-10-19 22:22:04,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:04,748 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2020-10-19 22:22:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:04,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-10-19 22:22:04,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:04,753 INFO L225 Difference]: With dead ends: 1072 [2020-10-19 22:22:04,753 INFO L226 Difference]: Without dead ends: 702 [2020-10-19 22:22:04,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:04,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-10-19 22:22:04,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2020-10-19 22:22:04,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-10-19 22:22:04,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2020-10-19 22:22:04,786 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2020-10-19 22:22:04,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:04,786 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2020-10-19 22:22:04,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:04,786 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2020-10-19 22:22:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-19 22:22:04,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:04,789 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:04,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-19 22:22:04,790 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:04,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:04,790 INFO L82 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2020-10-19 22:22:04,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:04,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156055679] [2020-10-19 22:22:04,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-19 22:22:04,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156055679] [2020-10-19 22:22:04,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:04,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:04,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954256395] [2020-10-19 22:22:04,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:04,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:04,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:04,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:04,876 INFO L87 Difference]: Start difference. First operand 702 states and 1113 transitions. Second operand 3 states. [2020-10-19 22:22:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:04,949 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2020-10-19 22:22:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:04,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-10-19 22:22:04,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:04,956 INFO L225 Difference]: With dead ends: 1072 [2020-10-19 22:22:04,956 INFO L226 Difference]: Without dead ends: 1070 [2020-10-19 22:22:04,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:04,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-19 22:22:05,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2020-10-19 22:22:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2020-10-19 22:22:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2020-10-19 22:22:05,017 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2020-10-19 22:22:05,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:05,018 INFO L481 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2020-10-19 22:22:05,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2020-10-19 22:22:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-19 22:22:05,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:05,022 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:22:05,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-19 22:22:05,022 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:05,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:05,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2020-10-19 22:22:05,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:05,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213770593] [2020-10-19 22:22:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:05,037 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-19 22:22:05,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [122461969] [2020-10-19 22:22:05,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:05,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:22:05,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-19 22:22:05,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213770593] [2020-10-19 22:22:05,231 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-19 22:22:05,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122461969] [2020-10-19 22:22:05,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:05,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:05,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041526283] [2020-10-19 22:22:05,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:05,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:05,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:05,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:05,233 INFO L87 Difference]: Start difference. First operand 1070 states and 1699 transitions. Second operand 3 states. [2020-10-19 22:22:05,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:05,323 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2020-10-19 22:22:05,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:05,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-19 22:22:05,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:05,331 INFO L225 Difference]: With dead ends: 2500 [2020-10-19 22:22:05,332 INFO L226 Difference]: Without dead ends: 1438 [2020-10-19 22:22:05,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:05,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-10-19 22:22:05,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2020-10-19 22:22:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-10-19 22:22:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2020-10-19 22:22:05,389 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2020-10-19 22:22:05,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:05,389 INFO L481 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2020-10-19 22:22:05,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2020-10-19 22:22:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-19 22:22:05,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:05,393 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-19 22:22:05,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-19 22:22:05,609 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:05,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:05,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2020-10-19 22:22:05,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:05,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960412070] [2020-10-19 22:22:05,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:05,624 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-19 22:22:05,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165994196] [2020-10-19 22:22:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:05,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:22:05,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-19 22:22:05,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960412070] [2020-10-19 22:22:05,779 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-19 22:22:05,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165994196] [2020-10-19 22:22:05,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:05,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:05,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116989835] [2020-10-19 22:22:05,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:05,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:05,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:05,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:05,783 INFO L87 Difference]: Start difference. First operand 1438 states and 2282 transitions. Second operand 3 states. [2020-10-19 22:22:05,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:05,883 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2020-10-19 22:22:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:05,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-10-19 22:22:05,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:05,894 INFO L225 Difference]: With dead ends: 2868 [2020-10-19 22:22:05,894 INFO L226 Difference]: Without dead ends: 1806 [2020-10-19 22:22:05,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:05,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2020-10-19 22:22:05,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2020-10-19 22:22:05,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-10-19 22:22:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2020-10-19 22:22:05,981 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2020-10-19 22:22:05,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:05,981 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2020-10-19 22:22:05,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2020-10-19 22:22:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-19 22:22:05,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:05,989 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-19 22:22:06,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-10-19 22:22:06,204 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:06,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:06,205 INFO L82 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2020-10-19 22:22:06,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:06,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736253289] [2020-10-19 22:22:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:06,224 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-19 22:22:06,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2062017113] [2020-10-19 22:22:06,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:06,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:22:06,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-19 22:22:06,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736253289] [2020-10-19 22:22:06,605 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-19 22:22:06,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062017113] [2020-10-19 22:22:06,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:06,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:06,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759268226] [2020-10-19 22:22:06,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:06,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:06,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:06,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:06,610 INFO L87 Difference]: Start difference. First operand 1806 states and 2866 transitions. Second operand 3 states. [2020-10-19 22:22:06,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:06,912 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2020-10-19 22:22:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:06,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-10-19 22:22:06,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:06,925 INFO L225 Difference]: With dead ends: 3649 [2020-10-19 22:22:06,925 INFO L226 Difference]: Without dead ends: 1851 [2020-10-19 22:22:06,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:06,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2020-10-19 22:22:06,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2020-10-19 22:22:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-10-19 22:22:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2020-10-19 22:22:06,998 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2020-10-19 22:22:06,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:06,999 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2020-10-19 22:22:06,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2020-10-19 22:22:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-19 22:22:07,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:07,005 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-19 22:22:07,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:07,221 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:07,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:07,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2020-10-19 22:22:07,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:07,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240650744] [2020-10-19 22:22:07,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-19 22:22:07,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240650744] [2020-10-19 22:22:07,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:07,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:07,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396036682] [2020-10-19 22:22:07,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:07,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:07,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:07,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:07,301 INFO L87 Difference]: Start difference. First operand 1806 states and 2794 transitions. Second operand 3 states. [2020-10-19 22:22:07,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:07,590 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2020-10-19 22:22:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:07,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-10-19 22:22:07,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:07,603 INFO L225 Difference]: With dead ends: 3666 [2020-10-19 22:22:07,604 INFO L226 Difference]: Without dead ends: 1868 [2020-10-19 22:22:07,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:07,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-10-19 22:22:07,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2020-10-19 22:22:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-10-19 22:22:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2020-10-19 22:22:07,697 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2020-10-19 22:22:07,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:07,698 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2020-10-19 22:22:07,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2020-10-19 22:22:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-19 22:22:07,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:07,705 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-10-19 22:22:07,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-19 22:22:07,705 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:07,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:07,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2020-10-19 22:22:07,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:07,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110998248] [2020-10-19 22:22:07,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:07,722 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-19 22:22:07,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438506879] [2020-10-19 22:22:07,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:07,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:22:07,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-19 22:22:07,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110998248] [2020-10-19 22:22:07,879 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-19 22:22:07,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438506879] [2020-10-19 22:22:07,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:07,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:07,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216212341] [2020-10-19 22:22:07,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:07,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:07,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:07,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:07,881 INFO L87 Difference]: Start difference. First operand 1806 states and 2716 transitions. Second operand 3 states. [2020-10-19 22:22:08,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:08,192 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2020-10-19 22:22:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:08,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-10-19 22:22:08,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:08,209 INFO L225 Difference]: With dead ends: 3844 [2020-10-19 22:22:08,209 INFO L226 Difference]: Without dead ends: 1921 [2020-10-19 22:22:08,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-10-19 22:22:08,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-10-19 22:22:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-10-19 22:22:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2020-10-19 22:22:08,354 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2020-10-19 22:22:08,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:08,355 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2020-10-19 22:22:08,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2020-10-19 22:22:08,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-19 22:22:08,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:08,368 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-10-19 22:22:08,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:08,583 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:08,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2020-10-19 22:22:08,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:08,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852176774] [2020-10-19 22:22:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:08,606 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-19 22:22:08,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376184360] [2020-10-19 22:22:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:08,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:22:08,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-10-19 22:22:08,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852176774] [2020-10-19 22:22:08,919 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-19 22:22:08,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376184360] [2020-10-19 22:22:08,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:08,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:08,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17980778] [2020-10-19 22:22:08,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:08,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:08,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:08,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:08,922 INFO L87 Difference]: Start difference. First operand 1876 states and 2771 transitions. Second operand 3 states. [2020-10-19 22:22:09,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:09,384 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2020-10-19 22:22:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:09,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-10-19 22:22:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:09,396 INFO L225 Difference]: With dead ends: 3789 [2020-10-19 22:22:09,396 INFO L226 Difference]: Without dead ends: 1921 [2020-10-19 22:22:09,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:09,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-10-19 22:22:09,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-10-19 22:22:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-10-19 22:22:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2020-10-19 22:22:09,499 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2020-10-19 22:22:09,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:09,499 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2020-10-19 22:22:09,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2020-10-19 22:22:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-19 22:22:09,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:09,507 INFO L422 BasicCegarLoop]: trace histogram [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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-10-19 22:22:09,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-10-19 22:22:09,722 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:09,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:09,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2020-10-19 22:22:09,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:09,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341918307] [2020-10-19 22:22:09,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:09,745 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-19 22:22:09,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1091081308] [2020-10-19 22:22:09,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:09,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:22:09,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-10-19 22:22:10,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341918307] [2020-10-19 22:22:10,004 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-19 22:22:10,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091081308] [2020-10-19 22:22:10,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:10,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:10,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6233288] [2020-10-19 22:22:10,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:10,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:10,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:10,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:10,006 INFO L87 Difference]: Start difference. First operand 1876 states and 2701 transitions. Second operand 3 states. [2020-10-19 22:22:10,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:10,104 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2020-10-19 22:22:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:10,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2020-10-19 22:22:10,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:10,123 INFO L225 Difference]: With dead ends: 5592 [2020-10-19 22:22:10,123 INFO L226 Difference]: Without dead ends: 3724 [2020-10-19 22:22:10,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2020-10-19 22:22:10,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2020-10-19 22:22:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3722 states. [2020-10-19 22:22:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2020-10-19 22:22:10,283 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2020-10-19 22:22:10,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:10,284 INFO L481 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2020-10-19 22:22:10,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2020-10-19 22:22:10,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-19 22:22:10,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:10,299 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-10-19 22:22:10,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:10,513 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:10,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:10,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2020-10-19 22:22:10,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:10,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454324556] [2020-10-19 22:22:10,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-10-19 22:22:10,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454324556] [2020-10-19 22:22:10,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:10,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:10,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42847834] [2020-10-19 22:22:10,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:10,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:10,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:10,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:10,743 INFO L87 Difference]: Start difference. First operand 3722 states and 5354 transitions. Second operand 3 states. [2020-10-19 22:22:10,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:10,988 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2020-10-19 22:22:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:10,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-10-19 22:22:10,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:11,009 INFO L225 Difference]: With dead ends: 7581 [2020-10-19 22:22:11,009 INFO L226 Difference]: Without dead ends: 3867 [2020-10-19 22:22:11,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:11,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2020-10-19 22:22:11,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2020-10-19 22:22:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3837 states. [2020-10-19 22:22:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2020-10-19 22:22:11,164 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2020-10-19 22:22:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:11,164 INFO L481 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2020-10-19 22:22:11,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2020-10-19 22:22:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-19 22:22:11,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:11,177 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-10-19 22:22:11,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-19 22:22:11,177 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:11,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:11,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2020-10-19 22:22:11,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:11,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092757145] [2020-10-19 22:22:11,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:11,195 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-19 22:22:11,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21144472] [2020-10-19 22:22:11,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:11,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:22:11,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-10-19 22:22:11,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092757145] [2020-10-19 22:22:11,394 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-19 22:22:11,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21144472] [2020-10-19 22:22:11,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:11,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:11,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229680802] [2020-10-19 22:22:11,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:11,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:11,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:11,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:11,396 INFO L87 Difference]: Start difference. First operand 3837 states and 5494 transitions. Second operand 3 states. [2020-10-19 22:22:11,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:11,662 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2020-10-19 22:22:11,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:11,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2020-10-19 22:22:11,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:11,671 INFO L225 Difference]: With dead ends: 7666 [2020-10-19 22:22:11,671 INFO L226 Difference]: Without dead ends: 2264 [2020-10-19 22:22:11,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2020-10-19 22:22:11,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2020-10-19 22:22:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-10-19 22:22:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2020-10-19 22:22:11,768 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2020-10-19 22:22:11,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:11,768 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2020-10-19 22:22:11,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2020-10-19 22:22:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-19 22:22:11,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:11,778 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-10-19 22:22:11,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-10-19 22:22:11,993 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:11,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:11,994 INFO L82 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2020-10-19 22:22:11,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:11,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41466288] [2020-10-19 22:22:11,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2020-10-19 22:22:12,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41466288] [2020-10-19 22:22:12,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:12,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:12,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275728156] [2020-10-19 22:22:12,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:12,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:12,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:12,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:12,165 INFO L87 Difference]: Start difference. First operand 2264 states and 3184 transitions. Second operand 3 states. [2020-10-19 22:22:12,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:12,397 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2020-10-19 22:22:12,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:12,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-10-19 22:22:12,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:12,417 INFO L225 Difference]: With dead ends: 4742 [2020-10-19 22:22:12,418 INFO L226 Difference]: Without dead ends: 2486 [2020-10-19 22:22:12,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:12,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2020-10-19 22:22:12,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2020-10-19 22:22:12,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-10-19 22:22:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2020-10-19 22:22:12,507 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2020-10-19 22:22:12,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:12,507 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2020-10-19 22:22:12,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2020-10-19 22:22:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-19 22:22:12,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:12,520 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-10-19 22:22:12,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-19 22:22:12,521 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:12,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:12,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2020-10-19 22:22:12,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:12,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762868813] [2020-10-19 22:22:12,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2020-10-19 22:22:12,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762868813] [2020-10-19 22:22:12,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:12,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:12,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661620258] [2020-10-19 22:22:12,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:12,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:12,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:12,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:12,722 INFO L87 Difference]: Start difference. First operand 2414 states and 3364 transitions. Second operand 3 states. [2020-10-19 22:22:12,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:12,958 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2020-10-19 22:22:12,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:12,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-10-19 22:22:12,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:12,965 INFO L225 Difference]: With dead ends: 4862 [2020-10-19 22:22:12,965 INFO L226 Difference]: Without dead ends: 2456 [2020-10-19 22:22:12,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2020-10-19 22:22:13,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2020-10-19 22:22:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-10-19 22:22:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2020-10-19 22:22:13,066 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2020-10-19 22:22:13,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:13,067 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2020-10-19 22:22:13,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2020-10-19 22:22:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-10-19 22:22:13,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:13,077 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-10-19 22:22:13,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-19 22:22:13,078 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:13,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:13,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2020-10-19 22:22:13,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:13,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486274125] [2020-10-19 22:22:13,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-10-19 22:22:13,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486274125] [2020-10-19 22:22:13,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883746659] [2020-10-19 22:22:13,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:13,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:22:13,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:13,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-10-19 22:22:13,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 22:22:13,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 22:22:13,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955448921] [2020-10-19 22:22:13,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:22:13,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:13,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:22:13,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:22:13,556 INFO L87 Difference]: Start difference. First operand 2414 states and 3316 transitions. Second operand 4 states. [2020-10-19 22:22:14,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:14,084 INFO L93 Difference]: Finished difference Result 7028 states and 9640 transitions. [2020-10-19 22:22:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 22:22:14,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 370 [2020-10-19 22:22:14,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:14,093 INFO L225 Difference]: With dead ends: 7028 [2020-10-19 22:22:14,093 INFO L226 Difference]: Without dead ends: 4476 [2020-10-19 22:22:14,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:22:14,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4476 states. [2020-10-19 22:22:14,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4476 to 2486. [2020-10-19 22:22:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-10-19 22:22:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3374 transitions. [2020-10-19 22:22:14,173 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3374 transitions. Word has length 370 [2020-10-19 22:22:14,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:14,174 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3374 transitions. [2020-10-19 22:22:14,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:22:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3374 transitions. [2020-10-19 22:22:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-10-19 22:22:14,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:14,185 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-10-19 22:22:14,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-10-19 22:22:14,399 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:14,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:14,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2020-10-19 22:22:14,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:14,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917174845] [2020-10-19 22:22:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2020-10-19 22:22:14,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917174845] [2020-10-19 22:22:14,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:14,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:14,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112208249] [2020-10-19 22:22:14,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:14,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:14,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:14,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:14,592 INFO L87 Difference]: Start difference. First operand 2486 states and 3374 transitions. Second operand 3 states. [2020-10-19 22:22:14,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:14,835 INFO L93 Difference]: Finished difference Result 4976 states and 6748 transitions. [2020-10-19 22:22:14,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:14,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2020-10-19 22:22:14,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:14,840 INFO L225 Difference]: With dead ends: 4976 [2020-10-19 22:22:14,840 INFO L226 Difference]: Without dead ends: 2498 [2020-10-19 22:22:14,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2020-10-19 22:22:14,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2486. [2020-10-19 22:22:14,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-10-19 22:22:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3326 transitions. [2020-10-19 22:22:14,910 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3326 transitions. Word has length 438 [2020-10-19 22:22:14,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:14,911 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3326 transitions. [2020-10-19 22:22:14,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3326 transitions. [2020-10-19 22:22:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-10-19 22:22:14,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:14,922 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-10-19 22:22:14,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-19 22:22:14,924 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:14,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:14,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2020-10-19 22:22:14,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:14,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20404127] [2020-10-19 22:22:14,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2020-10-19 22:22:15,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20404127] [2020-10-19 22:22:15,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:15,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:15,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10357085] [2020-10-19 22:22:15,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:15,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:15,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:15,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:15,137 INFO L87 Difference]: Start difference. First operand 2486 states and 3326 transitions. Second operand 3 states. [2020-10-19 22:22:15,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:15,393 INFO L93 Difference]: Finished difference Result 5180 states and 6946 transitions. [2020-10-19 22:22:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:15,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 470 [2020-10-19 22:22:15,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:15,399 INFO L225 Difference]: With dead ends: 5180 [2020-10-19 22:22:15,399 INFO L226 Difference]: Without dead ends: 2702 [2020-10-19 22:22:15,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2020-10-19 22:22:15,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2020-10-19 22:22:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2020-10-19 22:22:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3560 transitions. [2020-10-19 22:22:15,467 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3560 transitions. Word has length 470 [2020-10-19 22:22:15,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:15,468 INFO L481 AbstractCegarLoop]: Abstraction has 2690 states and 3560 transitions. [2020-10-19 22:22:15,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3560 transitions. [2020-10-19 22:22:15,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-10-19 22:22:15,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:15,475 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 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] [2020-10-19 22:22:15,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-19 22:22:15,476 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:15,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:15,476 INFO L82 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2020-10-19 22:22:15,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:15,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620080618] [2020-10-19 22:22:15,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2020-10-19 22:22:15,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620080618] [2020-10-19 22:22:15,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:15,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:22:15,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410906354] [2020-10-19 22:22:15,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:15,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:15,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:15,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:15,779 INFO L87 Difference]: Start difference. First operand 2690 states and 3560 transitions. Second operand 3 states. [2020-10-19 22:22:16,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:16,062 INFO L93 Difference]: Finished difference Result 5600 states and 7438 transitions. [2020-10-19 22:22:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:16,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 532 [2020-10-19 22:22:16,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:16,069 INFO L225 Difference]: With dead ends: 5600 [2020-10-19 22:22:16,069 INFO L226 Difference]: Without dead ends: 2918 [2020-10-19 22:22:16,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:16,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2020-10-19 22:22:16,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2906. [2020-10-19 22:22:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2906 states. [2020-10-19 22:22:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3806 transitions. [2020-10-19 22:22:16,140 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3806 transitions. Word has length 532 [2020-10-19 22:22:16,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:16,141 INFO L481 AbstractCegarLoop]: Abstraction has 2906 states and 3806 transitions. [2020-10-19 22:22:16,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3806 transitions. [2020-10-19 22:22:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-10-19 22:22:16,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:16,150 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 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] [2020-10-19 22:22:16,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-19 22:22:16,151 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:16,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:16,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2020-10-19 22:22:16,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:16,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137881409] [2020-10-19 22:22:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-10-19 22:22:16,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137881409] [2020-10-19 22:22:16,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574967920] [2020-10-19 22:22:16,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:16,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:22:16,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-10-19 22:22:16,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 22:22:16,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-19 22:22:16,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237513371] [2020-10-19 22:22:16,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 22:22:16,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:22:16,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 22:22:16,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:22:16,938 INFO L87 Difference]: Start difference. First operand 2906 states and 3806 transitions. Second operand 6 states. [2020-10-19 22:22:17,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:17,272 INFO L93 Difference]: Finished difference Result 4541 states and 5954 transitions. [2020-10-19 22:22:17,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:22:17,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 598 [2020-10-19 22:22:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:17,275 INFO L225 Difference]: With dead ends: 4541 [2020-10-19 22:22:17,275 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:22:17,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-19 22:22:17,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:22:17,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:22:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:22:17,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:22:17,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2020-10-19 22:22:17,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:17,284 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:22:17,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 22:22:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:22:17,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:22:17,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:22:17,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:22:17,627 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-10-19 22:22:17,939 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-10-19 22:22:18,544 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-10-19 22:22:18,889 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-19 22:22:19,273 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-10-19 22:22:20,007 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-10-19 22:22:20,422 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-10-19 22:22:20,821 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-19 22:22:21,147 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 24 [2020-10-19 22:22:21,314 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-10-19 22:22:21,463 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 10 [2020-10-19 22:22:21,902 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-10-19 22:22:22,341 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2020-10-19 22:22:22,687 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-10-19 22:22:23,090 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-10-19 22:22:23,530 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-19 22:22:24,052 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-10-19 22:22:24,392 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-19 22:22:24,846 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-10-19 22:22:25,986 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2020-10-19 22:22:26,384 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-10-19 22:22:27,227 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-10-19 22:22:27,711 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-10-19 22:22:28,118 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-19 22:22:28,122 INFO L274 CegarLoopResult]: For program point L663(lines 663 667) no Hoare annotation was computed. [2020-10-19 22:22:28,122 INFO L274 CegarLoopResult]: For program point L630(lines 630 639) no Hoare annotation was computed. [2020-10-19 22:22:28,123 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 667) no Hoare annotation was computed. [2020-10-19 22:22:28,123 INFO L274 CegarLoopResult]: For program point L630-2(lines 629 651) no Hoare annotation was computed. [2020-10-19 22:22:28,123 INFO L270 CegarLoopResult]: At program point L399(lines 390 421) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-10-19 22:22:28,123 INFO L270 CegarLoopResult]: At program point L168(lines 167 606) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse3 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse1 .cse2))) [2020-10-19 22:22:28,124 INFO L270 CegarLoopResult]: At program point L135(lines 128 619) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 22:22:28,124 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 22:22:28,124 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-19 22:22:28,124 INFO L274 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-10-19 22:22:28,124 INFO L274 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-10-19 22:22:28,124 INFO L274 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-10-19 22:22:28,124 INFO L274 CegarLoopResult]: For program point L203(lines 203 594) no Hoare annotation was computed. [2020-10-19 22:22:28,124 INFO L274 CegarLoopResult]: For program point L170(lines 170 605) no Hoare annotation was computed. [2020-10-19 22:22:28,124 INFO L274 CegarLoopResult]: For program point L137(lines 137 616) no Hoare annotation was computed. [2020-10-19 22:22:28,125 INFO L274 CegarLoopResult]: For program point L104(lines 104 627) no Hoare annotation was computed. [2020-10-19 22:22:28,125 INFO L274 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-10-19 22:22:28,125 INFO L270 CegarLoopResult]: At program point L204(lines 200 595) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) [2020-10-19 22:22:28,125 INFO L270 CegarLoopResult]: At program point L105(lines 104 627) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) [2020-10-19 22:22:28,125 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-10-19 22:22:28,125 INFO L274 CegarLoopResult]: For program point L503-2(lines 211 589) no Hoare annotation was computed. [2020-10-19 22:22:28,125 INFO L274 CegarLoopResult]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-10-19 22:22:28,125 INFO L274 CegarLoopResult]: For program point L206(lines 206 593) no Hoare annotation was computed. [2020-10-19 22:22:28,125 INFO L274 CegarLoopResult]: For program point L173(lines 173 604) no Hoare annotation was computed. [2020-10-19 22:22:28,126 INFO L274 CegarLoopResult]: For program point L140(lines 140 615) no Hoare annotation was computed. [2020-10-19 22:22:28,126 INFO L274 CegarLoopResult]: For program point L107(lines 107 626) no Hoare annotation was computed. [2020-10-19 22:22:28,126 INFO L270 CegarLoopResult]: At program point L207(lines 206 593) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-10-19 22:22:28,126 INFO L270 CegarLoopResult]: At program point L174(lines 170 605) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 22:22:28,126 INFO L270 CegarLoopResult]: At program point L141(lines 137 616) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 .cse3 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse8))) [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L308-2(lines 211 589) no Hoare annotation was computed. [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L176(lines 176 603) no Hoare annotation was computed. [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L143(lines 143 614) no Hoare annotation was computed. [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L110(lines 110 625) no Hoare annotation was computed. [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L573(lines 573 583) no Hoare annotation was computed. [2020-10-19 22:22:28,127 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 583) no Hoare annotation was computed. [2020-10-19 22:22:28,128 INFO L274 CegarLoopResult]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2020-10-19 22:22:28,128 INFO L270 CegarLoopResult]: At program point L210(lines 209 592) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-10-19 22:22:28,128 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-10-19 22:22:28,128 INFO L274 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-10-19 22:22:28,128 INFO L270 CegarLoopResult]: At program point L409(lines 400 420) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-10-19 22:22:28,128 INFO L274 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-10-19 22:22:28,128 INFO L274 CegarLoopResult]: For program point L343-2(lines 211 589) no Hoare annotation was computed. [2020-10-19 22:22:28,128 INFO L277 CegarLoopResult]: At program point L674(lines 66 676) the Hoare annotation is: true [2020-10-19 22:22:28,129 INFO L274 CegarLoopResult]: For program point L641(lines 641 647) no Hoare annotation was computed. [2020-10-19 22:22:28,129 INFO L274 CegarLoopResult]: For program point L542(lines 542 547) no Hoare annotation was computed. [2020-10-19 22:22:28,129 INFO L274 CegarLoopResult]: For program point L179(lines 179 602) no Hoare annotation was computed. [2020-10-19 22:22:28,129 INFO L274 CegarLoopResult]: For program point L146(lines 146 613) no Hoare annotation was computed. [2020-10-19 22:22:28,129 INFO L274 CegarLoopResult]: For program point L113(lines 113 624) no Hoare annotation was computed. [2020-10-19 22:22:28,129 INFO L277 CegarLoopResult]: At program point L675(lines 11 677) the Hoare annotation is: true [2020-10-19 22:22:28,129 INFO L274 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-10-19 22:22:28,129 INFO L274 CegarLoopResult]: For program point L444(lines 444 449) no Hoare annotation was computed. [2020-10-19 22:22:28,129 INFO L270 CegarLoopResult]: At program point L180(lines 176 603) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 22:22:28,130 INFO L270 CegarLoopResult]: At program point L147(lines 143 614) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 22:22:28,130 INFO L274 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-10-19 22:22:28,130 INFO L270 CegarLoopResult]: At program point L214(lines 107 626) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 .cse6 .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse4 .cse5 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10))) [2020-10-19 22:22:28,130 INFO L274 CegarLoopResult]: For program point L182(lines 182 601) no Hoare annotation was computed. [2020-10-19 22:22:28,130 INFO L274 CegarLoopResult]: For program point L149(lines 149 612) no Hoare annotation was computed. [2020-10-19 22:22:28,130 INFO L274 CegarLoopResult]: For program point L116(lines 116 623) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point L85-1(lines 66 676) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point L185(lines 185 600) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point L152(lines 152 611) no Hoare annotation was computed. [2020-10-19 22:22:28,131 INFO L274 CegarLoopResult]: For program point L119(lines 119 622) no Hoare annotation was computed. [2020-10-19 22:22:28,132 INFO L274 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-10-19 22:22:28,132 INFO L274 CegarLoopResult]: For program point L351(lines 351 382) no Hoare annotation was computed. [2020-10-19 22:22:28,132 INFO L274 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-10-19 22:22:28,132 INFO L274 CegarLoopResult]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2020-10-19 22:22:28,132 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-10-19 22:22:28,132 INFO L270 CegarLoopResult]: At program point L186(lines 182 601) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 22:22:28,132 INFO L270 CegarLoopResult]: At program point L153(lines 149 612) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 22:22:28,133 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 589) no Hoare annotation was computed. [2020-10-19 22:22:28,133 INFO L274 CegarLoopResult]: For program point L188(lines 188 599) no Hoare annotation was computed. [2020-10-19 22:22:28,133 INFO L274 CegarLoopResult]: For program point L155(lines 155 610) no Hoare annotation was computed. [2020-10-19 22:22:28,133 INFO L274 CegarLoopResult]: For program point L122(lines 122 621) no Hoare annotation was computed. [2020-10-19 22:22:28,133 INFO L274 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-10-19 22:22:28,133 INFO L274 CegarLoopResult]: For program point L354(lines 354 381) no Hoare annotation was computed. [2020-10-19 22:22:28,133 INFO L274 CegarLoopResult]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2020-10-19 22:22:28,133 INFO L270 CegarLoopResult]: At program point L123(lines 119 622) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 22:22:28,134 INFO L270 CegarLoopResult]: At program point L553(lines 66 676) the Hoare annotation is: false [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point L355(lines 355 378) no Hoare annotation was computed. [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point L256(lines 256 268) no Hoare annotation was computed. [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point L191(lines 191 598) no Hoare annotation was computed. [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point L158(lines 158 609) no Hoare annotation was computed. [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point L125(lines 125 620) no Hoare annotation was computed. [2020-10-19 22:22:28,134 INFO L277 CegarLoopResult]: At program point L687(lines 678 689) the Hoare annotation is: true [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point L390(lines 390 421) no Hoare annotation was computed. [2020-10-19 22:22:28,134 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-10-19 22:22:28,135 INFO L274 CegarLoopResult]: For program point L291-2(lines 211 589) no Hoare annotation was computed. [2020-10-19 22:22:28,135 INFO L270 CegarLoopResult]: At program point L192(lines 188 599) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13))) [2020-10-19 22:22:28,135 INFO L270 CegarLoopResult]: At program point L159(lines 155 610) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-10-19 22:22:28,135 INFO L270 CegarLoopResult]: At program point L126(lines 125 620) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) [2020-10-19 22:22:28,135 INFO L274 CegarLoopResult]: For program point L523(lines 523 528) no Hoare annotation was computed. [2020-10-19 22:22:28,135 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-10-19 22:22:28,136 INFO L274 CegarLoopResult]: For program point L358(lines 358 377) no Hoare annotation was computed. [2020-10-19 22:22:28,136 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:22:28,136 INFO L270 CegarLoopResult]: At program point L590(lines 101 658) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-10-19 22:22:28,136 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-19 22:22:28,136 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-10-19 22:22:28,136 INFO L274 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-10-19 22:22:28,136 INFO L274 CegarLoopResult]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2020-10-19 22:22:28,136 INFO L274 CegarLoopResult]: For program point L194(lines 194 597) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point L161(lines 161 608) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point L128(lines 128 619) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L277 CegarLoopResult]: At program point L659(lines 100 660) the Hoare annotation is: true [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point L197(lines 197 596) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point L164(lines 164 607) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point L131(lines 131 618) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:22:28,137 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-19 22:22:28,138 INFO L274 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-10-19 22:22:28,138 INFO L270 CegarLoopResult]: At program point L198(lines 194 597) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12))) [2020-10-19 22:22:28,138 INFO L270 CegarLoopResult]: At program point L165(lines 161 608) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse4 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2020-10-19 22:22:28,138 INFO L274 CegarLoopResult]: For program point L231-2(lines 211 589) no Hoare annotation was computed. [2020-10-19 22:22:28,138 INFO L274 CegarLoopResult]: For program point L628(lines 628 656) no Hoare annotation was computed. [2020-10-19 22:22:28,138 INFO L274 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-10-19 22:22:28,138 INFO L274 CegarLoopResult]: For program point L629(lines 629 653) no Hoare annotation was computed. [2020-10-19 22:22:28,139 INFO L274 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-10-19 22:22:28,139 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-10-19 22:22:28,139 INFO L274 CegarLoopResult]: For program point L563-2(lines 563 567) no Hoare annotation was computed. [2020-10-19 22:22:28,139 INFO L274 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-10-19 22:22:28,139 INFO L274 CegarLoopResult]: For program point L530-2(lines 211 589) no Hoare annotation was computed. [2020-10-19 22:22:28,139 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-10-19 22:22:28,139 INFO L270 CegarLoopResult]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 22:22:28,139 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-10-19 22:22:28,139 INFO L274 CegarLoopResult]: For program point L200(lines 200 595) no Hoare annotation was computed. [2020-10-19 22:22:28,140 INFO L274 CegarLoopResult]: For program point L167(lines 167 606) no Hoare annotation was computed. [2020-10-19 22:22:28,140 INFO L274 CegarLoopResult]: For program point L134(lines 134 617) no Hoare annotation was computed. [2020-10-19 22:22:28,140 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 658) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-10-19 22:22:28,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:22:28 BoogieIcfgContainer [2020-10-19 22:22:28,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:22:28,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:22:28,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:22:28,203 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:22:28,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:21:59" (3/4) ... [2020-10-19 22:22:28,208 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:22:28,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:22:28,239 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:22:28,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:22:28,242 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:22:28,459 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:22:28,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:22:28,461 INFO L168 Benchmark]: Toolchain (without parser) took 30408.65 ms. Allocated memory was 44.0 MB in the beginning and 422.1 MB in the end (delta: 378.0 MB). Free memory was 24.7 MB in the beginning and 35.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 366.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:28,461 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 33.0 MB. Free memory was 12.3 MB in the beginning and 12.2 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:28,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.22 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 23.7 MB in the beginning and 20.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:28,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.93 ms. Allocated memory is still 44.6 MB. Free memory was 20.5 MB in the beginning and 17.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:28,462 INFO L168 Benchmark]: Boogie Preprocessor took 47.01 ms. Allocated memory is still 44.6 MB. Free memory was 17.3 MB in the beginning and 15.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:28,462 INFO L168 Benchmark]: RCFGBuilder took 852.08 ms. Allocated memory was 44.6 MB in the beginning and 49.8 MB in the end (delta: 5.2 MB). Free memory was 14.9 MB in the beginning and 25.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:28,463 INFO L168 Benchmark]: TraceAbstraction took 28717.39 ms. Allocated memory was 49.8 MB in the beginning and 422.1 MB in the end (delta: 372.2 MB). Free memory was 24.7 MB in the beginning and 50.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 358.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:28,463 INFO L168 Benchmark]: Witness Printer took 256.55 ms. Allocated memory is still 422.1 MB. Free memory was 50.4 MB in the beginning and 35.9 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:28,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 33.0 MB. Free memory was 12.3 MB in the beginning and 12.2 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 450.22 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 23.7 MB in the beginning and 20.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 70.93 ms. Allocated memory is still 44.6 MB. Free memory was 20.5 MB in the beginning and 17.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 47.01 ms. Allocated memory is still 44.6 MB. Free memory was 17.3 MB in the beginning and 15.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 852.08 ms. Allocated memory was 44.6 MB in the beginning and 49.8 MB in the end (delta: 5.2 MB). Free memory was 14.9 MB in the beginning and 25.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 28717.39 ms. Allocated memory was 49.8 MB in the beginning and 422.1 MB in the end (delta: 372.2 MB). Free memory was 24.7 MB in the beginning and 50.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 358.1 MB. Max. memory is 14.3 GB. * Witness Printer took 256.55 ms. Allocated memory is still 422.1 MB. Free memory was 50.4 MB in the beginning and 35.9 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && 2 == blastFlag) || (((blastFlag <= 3 && s__state <= 8448) && 8448 <= s__state) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (blastFlag <= 3 && 8672 <= s__state) && !(12292 == s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) || ((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && blastFlag <= 3) && 8672 <= s__state) && !(s__state == 8672)) && !(s__hit == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) && 2 == blastFlag) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.9s, OverallIterations: 32, TraceHistogramMax: 19, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5562 SDtfs, 3443 SDslu, 2677 SDs, 0 SdLazy, 3059 SolverSat, 910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2584 GetRequests, 2546 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3837occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 2417 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 367 NumberOfFragments, 2859 HoareAnnotationTreeSize, 29 FomulaSimplifications, 43835 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 6830 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 7563 NumberOfCodeBlocks, 7563 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 7529 ConstructedInterpolants, 0 QuantifiedInterpolants, 3182748 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4312 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 34 InterpolantComputations, 30 PerfectInterpolantSequences, 25706/25810 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...