./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.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/openssl-simplified/s3_clnt_3.cil-1.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 7e741634054dd50a048146b108e465f8b335e64a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:23:43,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:23:43,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:23:43,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:23:43,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:23:43,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:23:43,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:23:43,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:23:43,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:23:43,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:23:43,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:23:43,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:23:43,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:23:43,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:23:43,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:23:43,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:23:43,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:23:43,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:23:43,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:23:43,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:23:43,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:23:43,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:23:43,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:23:43,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:23:43,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:23:43,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:23:43,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:23:43,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:23:43,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:23:43,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:23:43,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:23:43,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:23:43,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:23:43,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:23:43,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:23:43,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:23:43,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:23:43,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:23:43,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:23:43,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:23:43,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:23:43,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:23:43,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:23:43,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:23:43,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:23:43,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:23:43,730 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:23:43,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:23:43,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:23:43,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:23:43,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:23:43,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:23:43,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:23:43,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:23:43,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:23:43,733 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:23:43,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:23:43,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:23:43,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:23:43,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:23:43,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:23:43,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:23:43,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:23:43,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:23:43,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:23:43,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:23:43,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:23:43,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:23:43,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:23:43,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:23:43,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:23:43,737 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 -> 7e741634054dd50a048146b108e465f8b335e64a [2020-10-19 22:23:43,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:23:44,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:23:44,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:23:44,009 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:23:44,009 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:23:44,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2020-10-19 22:23:44,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6df9d1e/bdf27dc962fe48eda131db0d89559af7/FLAGd666fd2e0 [2020-10-19 22:23:44,467 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:23:44,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2020-10-19 22:23:44,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6df9d1e/bdf27dc962fe48eda131db0d89559af7/FLAGd666fd2e0 [2020-10-19 22:23:44,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6df9d1e/bdf27dc962fe48eda131db0d89559af7 [2020-10-19 22:23:44,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:23:44,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:23:44,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:23:44,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:23:44,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:23:44,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:23:44" (1/1) ... [2020-10-19 22:23:44,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b199b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:44, skipping insertion in model container [2020-10-19 22:23:44,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:23:44" (1/1) ... [2020-10-19 22:23:44,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:23:44,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:23:45,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:23:45,286 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:23:45,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:23:45,360 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:23:45,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45 WrapperNode [2020-10-19 22:23:45,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:23:45,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:23:45,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:23:45,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:23:45,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:23:45,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:23:45,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:23:45,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:23:45,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (1/1) ... [2020-10-19 22:23:45,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:23:45,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:23:45,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:23:45,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:23:45,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (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 22:23:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:23:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:23:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:23:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:23:45,657 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 22:23:46,235 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-19 22:23:46,235 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-19 22:23:46,248 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:23:46,248 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:23:46,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:23:46 BoogieIcfgContainer [2020-10-19 22:23:46,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:23:46,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:23:46,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:23:46,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:23:46,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:23:44" (1/3) ... [2020-10-19 22:23:46,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3724fe10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:23:46, skipping insertion in model container [2020-10-19 22:23:46,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:23:45" (2/3) ... [2020-10-19 22:23:46,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3724fe10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:23:46, skipping insertion in model container [2020-10-19 22:23:46,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:23:46" (3/3) ... [2020-10-19 22:23:46,260 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.c [2020-10-19 22:23:46,273 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:23:46,286 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:23:46,302 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:23:46,343 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:23:46,343 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:23:46,344 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:23:46,344 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:23:46,344 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:23:46,344 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:23:46,345 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:23:46,345 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:23:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-19 22:23:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 22:23:46,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:46,385 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] [2020-10-19 22:23:46,386 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:46,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:46,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1457697026, now seen corresponding path program 1 times [2020-10-19 22:23:46,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:46,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960181417] [2020-10-19 22:23:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:46,682 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 22:23:46,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960181417] [2020-10-19 22:23:46,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:46,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:46,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594143311] [2020-10-19 22:23:46,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:46,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:46,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:46,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:46,713 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 3 states. [2020-10-19 22:23:46,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:46,989 INFO L93 Difference]: Finished difference Result 277 states and 473 transitions. [2020-10-19 22:23:46,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:46,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-19 22:23:46,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:47,006 INFO L225 Difference]: With dead ends: 277 [2020-10-19 22:23:47,007 INFO L226 Difference]: Without dead ends: 137 [2020-10-19 22:23:47,011 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 22:23:47,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-19 22:23:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2020-10-19 22:23:47,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-19 22:23:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 207 transitions. [2020-10-19 22:23:47,067 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 207 transitions. Word has length 24 [2020-10-19 22:23:47,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:47,067 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 207 transitions. [2020-10-19 22:23:47,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2020-10-19 22:23:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-19 22:23:47,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:47,070 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] [2020-10-19 22:23:47,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:23:47,070 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:47,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:47,071 INFO L82 PathProgramCache]: Analyzing trace with hash 2051406291, now seen corresponding path program 1 times [2020-10-19 22:23:47,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:47,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517945591] [2020-10-19 22:23:47,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:47,141 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 22:23:47,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517945591] [2020-10-19 22:23:47,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:47,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:47,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471447935] [2020-10-19 22:23:47,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:47,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:47,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:47,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:47,145 INFO L87 Difference]: Start difference. First operand 132 states and 207 transitions. Second operand 3 states. [2020-10-19 22:23:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:47,368 INFO L93 Difference]: Finished difference Result 286 states and 452 transitions. [2020-10-19 22:23:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:47,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-19 22:23:47,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:47,371 INFO L225 Difference]: With dead ends: 286 [2020-10-19 22:23:47,371 INFO L226 Difference]: Without dead ends: 161 [2020-10-19 22:23:47,372 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 22:23:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-19 22:23:47,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 156. [2020-10-19 22:23:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-19 22:23:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 250 transitions. [2020-10-19 22:23:47,387 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 250 transitions. Word has length 25 [2020-10-19 22:23:47,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:47,388 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 250 transitions. [2020-10-19 22:23:47,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 250 transitions. [2020-10-19 22:23:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-19 22:23:47,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:47,390 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:23:47,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:23:47,391 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:47,391 INFO L82 PathProgramCache]: Analyzing trace with hash -707545866, now seen corresponding path program 1 times [2020-10-19 22:23:47,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:47,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024805040] [2020-10-19 22:23:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:23:47,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024805040] [2020-10-19 22:23:47,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:47,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:47,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549952053] [2020-10-19 22:23:47,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:47,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:47,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:47,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:47,482 INFO L87 Difference]: Start difference. First operand 156 states and 250 transitions. Second operand 3 states. [2020-10-19 22:23:47,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:47,643 INFO L93 Difference]: Finished difference Result 329 states and 531 transitions. [2020-10-19 22:23:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:47,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-10-19 22:23:47,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:47,646 INFO L225 Difference]: With dead ends: 329 [2020-10-19 22:23:47,646 INFO L226 Difference]: Without dead ends: 180 [2020-10-19 22:23:47,647 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 22:23:47,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-19 22:23:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2020-10-19 22:23:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-19 22:23:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 286 transitions. [2020-10-19 22:23:47,661 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 286 transitions. Word has length 44 [2020-10-19 22:23:47,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:47,662 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 286 transitions. [2020-10-19 22:23:47,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 286 transitions. [2020-10-19 22:23:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-19 22:23:47,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:47,665 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:23:47,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:23:47,665 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:47,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:47,665 INFO L82 PathProgramCache]: Analyzing trace with hash 273569771, now seen corresponding path program 1 times [2020-10-19 22:23:47,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:47,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411361921] [2020-10-19 22:23:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:23:47,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411361921] [2020-10-19 22:23:47,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:47,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:47,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697261435] [2020-10-19 22:23:47,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:47,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:47,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:47,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:47,750 INFO L87 Difference]: Start difference. First operand 177 states and 286 transitions. Second operand 3 states. [2020-10-19 22:23:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:47,919 INFO L93 Difference]: Finished difference Result 350 states and 565 transitions. [2020-10-19 22:23:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:47,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-10-19 22:23:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:47,922 INFO L225 Difference]: With dead ends: 350 [2020-10-19 22:23:47,922 INFO L226 Difference]: Without dead ends: 180 [2020-10-19 22:23:47,923 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 22:23:47,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-19 22:23:47,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2020-10-19 22:23:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-19 22:23:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 284 transitions. [2020-10-19 22:23:47,935 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 284 transitions. Word has length 45 [2020-10-19 22:23:47,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:47,935 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 284 transitions. [2020-10-19 22:23:47,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:47,936 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 284 transitions. [2020-10-19 22:23:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-19 22:23:47,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:47,939 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:23:47,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:23:47,939 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:47,940 INFO L82 PathProgramCache]: Analyzing trace with hash -347639860, now seen corresponding path program 1 times [2020-10-19 22:23:47,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:47,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426494390] [2020-10-19 22:23:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-19 22:23:48,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426494390] [2020-10-19 22:23:48,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:48,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:48,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079442987] [2020-10-19 22:23:48,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:48,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:48,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:48,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:48,010 INFO L87 Difference]: Start difference. First operand 177 states and 284 transitions. Second operand 3 states. [2020-10-19 22:23:48,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:48,142 INFO L93 Difference]: Finished difference Result 371 states and 598 transitions. [2020-10-19 22:23:48,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:48,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-10-19 22:23:48,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:48,145 INFO L225 Difference]: With dead ends: 371 [2020-10-19 22:23:48,145 INFO L226 Difference]: Without dead ends: 201 [2020-10-19 22:23:48,146 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 22:23:48,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-19 22:23:48,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2020-10-19 22:23:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-19 22:23:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 316 transitions. [2020-10-19 22:23:48,174 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 316 transitions. Word has length 60 [2020-10-19 22:23:48,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:48,174 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 316 transitions. [2020-10-19 22:23:48,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 316 transitions. [2020-10-19 22:23:48,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-19 22:23:48,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:48,177 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:23:48,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:23:48,178 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:48,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:48,178 INFO L82 PathProgramCache]: Analyzing trace with hash 59659617, now seen corresponding path program 1 times [2020-10-19 22:23:48,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:48,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955281746] [2020-10-19 22:23:48,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-19 22:23:48,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955281746] [2020-10-19 22:23:48,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:48,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:48,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145794730] [2020-10-19 22:23:48,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:48,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:48,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:48,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:48,235 INFO L87 Difference]: Start difference. First operand 197 states and 316 transitions. Second operand 3 states. [2020-10-19 22:23:48,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:48,408 INFO L93 Difference]: Finished difference Result 391 states and 627 transitions. [2020-10-19 22:23:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:48,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-10-19 22:23:48,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:48,413 INFO L225 Difference]: With dead ends: 391 [2020-10-19 22:23:48,414 INFO L226 Difference]: Without dead ends: 201 [2020-10-19 22:23:48,414 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 22:23:48,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-19 22:23:48,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2020-10-19 22:23:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-19 22:23:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 313 transitions. [2020-10-19 22:23:48,424 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 313 transitions. Word has length 61 [2020-10-19 22:23:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:48,424 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 313 transitions. [2020-10-19 22:23:48,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 313 transitions. [2020-10-19 22:23:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-19 22:23:48,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:48,427 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:23:48,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:23:48,427 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:48,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:48,428 INFO L82 PathProgramCache]: Analyzing trace with hash -450704854, now seen corresponding path program 1 times [2020-10-19 22:23:48,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:48,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756138872] [2020-10-19 22:23:48,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:23:48,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756138872] [2020-10-19 22:23:48,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:48,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:48,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489343582] [2020-10-19 22:23:48,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:48,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:48,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:48,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:48,476 INFO L87 Difference]: Start difference. First operand 197 states and 313 transitions. Second operand 3 states. [2020-10-19 22:23:48,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:48,681 INFO L93 Difference]: Finished difference Result 429 states and 687 transitions. [2020-10-19 22:23:48,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:48,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-10-19 22:23:48,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:48,686 INFO L225 Difference]: With dead ends: 429 [2020-10-19 22:23:48,686 INFO L226 Difference]: Without dead ends: 238 [2020-10-19 22:23:48,687 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 22:23:48,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-19 22:23:48,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-10-19 22:23:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-10-19 22:23:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 383 transitions. [2020-10-19 22:23:48,702 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 383 transitions. Word has length 62 [2020-10-19 22:23:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:48,703 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 383 transitions. [2020-10-19 22:23:48,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 383 transitions. [2020-10-19 22:23:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-19 22:23:48,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:48,706 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-19 22:23:48,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:23:48,707 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:48,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:48,707 INFO L82 PathProgramCache]: Analyzing trace with hash -798470239, now seen corresponding path program 1 times [2020-10-19 22:23:48,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:48,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087823966] [2020-10-19 22:23:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-19 22:23:48,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087823966] [2020-10-19 22:23:48,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:48,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:48,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341696486] [2020-10-19 22:23:48,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:48,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:48,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:48,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:48,802 INFO L87 Difference]: Start difference. First operand 238 states and 383 transitions. Second operand 3 states. [2020-10-19 22:23:48,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:48,937 INFO L93 Difference]: Finished difference Result 491 states and 793 transitions. [2020-10-19 22:23:48,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:48,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-10-19 22:23:48,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:48,939 INFO L225 Difference]: With dead ends: 491 [2020-10-19 22:23:48,939 INFO L226 Difference]: Without dead ends: 260 [2020-10-19 22:23:48,941 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 22:23:48,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-19 22:23:48,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 255. [2020-10-19 22:23:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-19 22:23:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 408 transitions. [2020-10-19 22:23:48,955 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 408 transitions. Word has length 77 [2020-10-19 22:23:48,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:48,956 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 408 transitions. [2020-10-19 22:23:48,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 408 transitions. [2020-10-19 22:23:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-19 22:23:48,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:48,958 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-19 22:23:48,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:23:48,959 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:48,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:48,959 INFO L82 PathProgramCache]: Analyzing trace with hash -343124468, now seen corresponding path program 1 times [2020-10-19 22:23:48,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:48,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417205581] [2020-10-19 22:23:48,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-19 22:23:49,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417205581] [2020-10-19 22:23:49,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:49,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:49,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462495020] [2020-10-19 22:23:49,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:49,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:49,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:49,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:49,032 INFO L87 Difference]: Start difference. First operand 255 states and 408 transitions. Second operand 3 states. [2020-10-19 22:23:49,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:49,199 INFO L93 Difference]: Finished difference Result 508 states and 813 transitions. [2020-10-19 22:23:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:49,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-10-19 22:23:49,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:49,202 INFO L225 Difference]: With dead ends: 508 [2020-10-19 22:23:49,202 INFO L226 Difference]: Without dead ends: 260 [2020-10-19 22:23:49,203 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 22:23:49,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-19 22:23:49,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 255. [2020-10-19 22:23:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-19 22:23:49,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 403 transitions. [2020-10-19 22:23:49,214 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 403 transitions. Word has length 78 [2020-10-19 22:23:49,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:49,215 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 403 transitions. [2020-10-19 22:23:49,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:49,215 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 403 transitions. [2020-10-19 22:23:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-19 22:23:49,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:49,217 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:49,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 22:23:49,218 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:49,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:49,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1438380680, now seen corresponding path program 1 times [2020-10-19 22:23:49,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:49,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949480748] [2020-10-19 22:23:49,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-19 22:23:49,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949480748] [2020-10-19 22:23:49,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:49,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:49,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199239607] [2020-10-19 22:23:49,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:49,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:49,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:49,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:49,261 INFO L87 Difference]: Start difference. First operand 255 states and 403 transitions. Second operand 3 states. [2020-10-19 22:23:49,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:49,407 INFO L93 Difference]: Finished difference Result 521 states and 825 transitions. [2020-10-19 22:23:49,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:49,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-10-19 22:23:49,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:49,410 INFO L225 Difference]: With dead ends: 521 [2020-10-19 22:23:49,411 INFO L226 Difference]: Without dead ends: 273 [2020-10-19 22:23:49,412 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 22:23:49,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-19 22:23:49,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2020-10-19 22:23:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-19 22:23:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 423 transitions. [2020-10-19 22:23:49,422 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 423 transitions. Word has length 91 [2020-10-19 22:23:49,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:49,422 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 423 transitions. [2020-10-19 22:23:49,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 423 transitions. [2020-10-19 22:23:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-19 22:23:49,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:49,424 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:49,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:23:49,424 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:49,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:49,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1467225085, now seen corresponding path program 1 times [2020-10-19 22:23:49,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:49,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796568448] [2020-10-19 22:23:49,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-19 22:23:49,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796568448] [2020-10-19 22:23:49,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:49,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:49,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38474723] [2020-10-19 22:23:49,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:49,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:49,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:49,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:49,461 INFO L87 Difference]: Start difference. First operand 270 states and 423 transitions. Second operand 3 states. [2020-10-19 22:23:49,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:49,578 INFO L93 Difference]: Finished difference Result 536 states and 839 transitions. [2020-10-19 22:23:49,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:49,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-10-19 22:23:49,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:49,581 INFO L225 Difference]: With dead ends: 536 [2020-10-19 22:23:49,581 INFO L226 Difference]: Without dead ends: 273 [2020-10-19 22:23:49,582 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 22:23:49,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-19 22:23:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2020-10-19 22:23:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-19 22:23:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 417 transitions. [2020-10-19 22:23:49,596 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 417 transitions. Word has length 92 [2020-10-19 22:23:49,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:49,596 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 417 transitions. [2020-10-19 22:23:49,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 417 transitions. [2020-10-19 22:23:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-19 22:23:49,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:49,598 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:49,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 22:23:49,599 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:49,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:49,599 INFO L82 PathProgramCache]: Analyzing trace with hash 65361595, now seen corresponding path program 1 times [2020-10-19 22:23:49,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:49,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967164277] [2020-10-19 22:23:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-19 22:23:49,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967164277] [2020-10-19 22:23:49,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:49,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:49,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690848180] [2020-10-19 22:23:49,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:49,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:49,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:49,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:49,663 INFO L87 Difference]: Start difference. First operand 270 states and 417 transitions. Second operand 3 states. [2020-10-19 22:23:49,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:49,814 INFO L93 Difference]: Finished difference Result 585 states and 911 transitions. [2020-10-19 22:23:49,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:49,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-19 22:23:49,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:49,818 INFO L225 Difference]: With dead ends: 585 [2020-10-19 22:23:49,818 INFO L226 Difference]: Without dead ends: 322 [2020-10-19 22:23:49,819 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 22:23:49,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-10-19 22:23:49,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 320. [2020-10-19 22:23:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-19 22:23:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 501 transitions. [2020-10-19 22:23:49,832 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 501 transitions. Word has length 98 [2020-10-19 22:23:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:49,833 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 501 transitions. [2020-10-19 22:23:49,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 501 transitions. [2020-10-19 22:23:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-19 22:23:49,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:49,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:49,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 22:23:49,836 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:49,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:49,836 INFO L82 PathProgramCache]: Analyzing trace with hash -629814544, now seen corresponding path program 1 times [2020-10-19 22:23:49,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:49,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473773711] [2020-10-19 22:23:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-19 22:23:49,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473773711] [2020-10-19 22:23:49,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:49,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:49,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394463446] [2020-10-19 22:23:49,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:49,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:49,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:49,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:49,916 INFO L87 Difference]: Start difference. First operand 320 states and 501 transitions. Second operand 3 states. [2020-10-19 22:23:50,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:50,063 INFO L93 Difference]: Finished difference Result 636 states and 995 transitions. [2020-10-19 22:23:50,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:50,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-10-19 22:23:50,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:50,066 INFO L225 Difference]: With dead ends: 636 [2020-10-19 22:23:50,066 INFO L226 Difference]: Without dead ends: 323 [2020-10-19 22:23:50,067 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 22:23:50,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-19 22:23:50,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2020-10-19 22:23:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-10-19 22:23:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 501 transitions. [2020-10-19 22:23:50,079 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 501 transitions. Word has length 99 [2020-10-19 22:23:50,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:50,083 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 501 transitions. [2020-10-19 22:23:50,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:50,084 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 501 transitions. [2020-10-19 22:23:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-19 22:23:50,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:50,086 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:50,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 22:23:50,086 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:50,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:50,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1976749000, now seen corresponding path program 1 times [2020-10-19 22:23:50,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:50,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242325536] [2020-10-19 22:23:50,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-19 22:23:50,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242325536] [2020-10-19 22:23:50,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:50,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:50,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694065335] [2020-10-19 22:23:50,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:50,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:50,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:50,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:50,155 INFO L87 Difference]: Start difference. First operand 321 states and 501 transitions. Second operand 3 states. [2020-10-19 22:23:50,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:50,207 INFO L93 Difference]: Finished difference Result 946 states and 1479 transitions. [2020-10-19 22:23:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:50,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-10-19 22:23:50,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:50,212 INFO L225 Difference]: With dead ends: 946 [2020-10-19 22:23:50,212 INFO L226 Difference]: Without dead ends: 632 [2020-10-19 22:23:50,214 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 22:23:50,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-19 22:23:50,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2020-10-19 22:23:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-19 22:23:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 983 transitions. [2020-10-19 22:23:50,239 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 983 transitions. Word has length 103 [2020-10-19 22:23:50,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:50,239 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 983 transitions. [2020-10-19 22:23:50,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 983 transitions. [2020-10-19 22:23:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-19 22:23:50,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:50,242 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:50,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 22:23:50,242 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:50,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:50,243 INFO L82 PathProgramCache]: Analyzing trace with hash -102965200, now seen corresponding path program 1 times [2020-10-19 22:23:50,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:50,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174095764] [2020-10-19 22:23:50,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-19 22:23:50,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174095764] [2020-10-19 22:23:50,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:50,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:50,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057176124] [2020-10-19 22:23:50,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:50,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:50,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:50,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:50,293 INFO L87 Difference]: Start difference. First operand 632 states and 983 transitions. Second operand 3 states. [2020-10-19 22:23:50,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:50,376 INFO L93 Difference]: Finished difference Result 1545 states and 2407 transitions. [2020-10-19 22:23:50,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:50,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-10-19 22:23:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:50,383 INFO L225 Difference]: With dead ends: 1545 [2020-10-19 22:23:50,383 INFO L226 Difference]: Without dead ends: 920 [2020-10-19 22:23:50,386 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 22:23:50,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-10-19 22:23:50,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-10-19 22:23:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-10-19 22:23:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1430 transitions. [2020-10-19 22:23:50,422 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1430 transitions. Word has length 104 [2020-10-19 22:23:50,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:50,422 INFO L481 AbstractCegarLoop]: Abstraction has 920 states and 1430 transitions. [2020-10-19 22:23:50,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1430 transitions. [2020-10-19 22:23:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-19 22:23:50,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:50,426 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:50,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-19 22:23:50,426 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:50,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:50,427 INFO L82 PathProgramCache]: Analyzing trace with hash 736068462, now seen corresponding path program 1 times [2020-10-19 22:23:50,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:50,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486552800] [2020-10-19 22:23:50,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-19 22:23:50,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486552800] [2020-10-19 22:23:50,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:50,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:50,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081507465] [2020-10-19 22:23:50,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:50,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:50,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:50,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:50,479 INFO L87 Difference]: Start difference. First operand 920 states and 1430 transitions. Second operand 3 states. [2020-10-19 22:23:50,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:50,540 INFO L93 Difference]: Finished difference Result 2126 states and 3307 transitions. [2020-10-19 22:23:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:50,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-10-19 22:23:50,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:50,547 INFO L225 Difference]: With dead ends: 2126 [2020-10-19 22:23:50,548 INFO L226 Difference]: Without dead ends: 1213 [2020-10-19 22:23:50,549 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 22:23:50,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-10-19 22:23:50,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213. [2020-10-19 22:23:50,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-10-19 22:23:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1882 transitions. [2020-10-19 22:23:50,606 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1882 transitions. Word has length 104 [2020-10-19 22:23:50,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:50,606 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 1882 transitions. [2020-10-19 22:23:50,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1882 transitions. [2020-10-19 22:23:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-19 22:23:50,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:50,609 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:50,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-19 22:23:50,610 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:50,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:50,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1108389378, now seen corresponding path program 1 times [2020-10-19 22:23:50,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:50,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518450659] [2020-10-19 22:23:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-19 22:23:50,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518450659] [2020-10-19 22:23:50,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:50,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:50,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256231559] [2020-10-19 22:23:50,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:50,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:50,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:50,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:50,663 INFO L87 Difference]: Start difference. First operand 1213 states and 1882 transitions. Second operand 3 states. [2020-10-19 22:23:50,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:50,724 INFO L93 Difference]: Finished difference Result 1527 states and 2372 transitions. [2020-10-19 22:23:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:50,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-19 22:23:50,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:50,733 INFO L225 Difference]: With dead ends: 1527 [2020-10-19 22:23:50,733 INFO L226 Difference]: Without dead ends: 1525 [2020-10-19 22:23:50,735 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 22:23:50,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2020-10-19 22:23:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1525. [2020-10-19 22:23:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2020-10-19 22:23:50,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2370 transitions. [2020-10-19 22:23:50,804 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2370 transitions. Word has length 105 [2020-10-19 22:23:50,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:50,805 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2370 transitions. [2020-10-19 22:23:50,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2370 transitions. [2020-10-19 22:23:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-19 22:23:50,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:50,809 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 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, 1, 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 22:23:50,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-19 22:23:50,810 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:50,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:50,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1421844536, now seen corresponding path program 1 times [2020-10-19 22:23:50,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:50,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367703627] [2020-10-19 22:23:50,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-19 22:23:50,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367703627] [2020-10-19 22:23:50,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:50,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:50,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613213546] [2020-10-19 22:23:50,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:50,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:50,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:50,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:50,879 INFO L87 Difference]: Start difference. First operand 1525 states and 2370 transitions. Second operand 3 states. [2020-10-19 22:23:51,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:51,147 INFO L93 Difference]: Finished difference Result 3046 states and 4721 transitions. [2020-10-19 22:23:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:51,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-10-19 22:23:51,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:51,158 INFO L225 Difference]: With dead ends: 3046 [2020-10-19 22:23:51,159 INFO L226 Difference]: Without dead ends: 1399 [2020-10-19 22:23:51,163 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 22:23:51,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-10-19 22:23:51,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1351. [2020-10-19 22:23:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-10-19 22:23:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1958 transitions. [2020-10-19 22:23:51,229 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1958 transitions. Word has length 165 [2020-10-19 22:23:51,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:51,230 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1958 transitions. [2020-10-19 22:23:51,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1958 transitions. [2020-10-19 22:23:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-19 22:23:51,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:51,235 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 8, 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, 1, 1, 1, 1, 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 22:23:51,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-19 22:23:51,235 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:51,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:51,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1914338519, now seen corresponding path program 1 times [2020-10-19 22:23:51,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:51,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888598672] [2020-10-19 22:23:51,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-19 22:23:51,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888598672] [2020-10-19 22:23:51,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:51,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:51,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001279379] [2020-10-19 22:23:51,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:51,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:51,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:51,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:51,343 INFO L87 Difference]: Start difference. First operand 1351 states and 1958 transitions. Second operand 3 states. [2020-10-19 22:23:51,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:51,619 INFO L93 Difference]: Finished difference Result 2442 states and 3531 transitions. [2020-10-19 22:23:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:51,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-10-19 22:23:51,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:51,629 INFO L225 Difference]: With dead ends: 2442 [2020-10-19 22:23:51,630 INFO L226 Difference]: Without dead ends: 1383 [2020-10-19 22:23:51,632 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 22:23:51,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2020-10-19 22:23:51,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1351. [2020-10-19 22:23:51,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-10-19 22:23:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1926 transitions. [2020-10-19 22:23:51,699 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1926 transitions. Word has length 166 [2020-10-19 22:23:51,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:51,700 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1926 transitions. [2020-10-19 22:23:51,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1926 transitions. [2020-10-19 22:23:51,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-19 22:23:51,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:51,705 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:51,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-19 22:23:51,705 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:51,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:51,706 INFO L82 PathProgramCache]: Analyzing trace with hash -408594384, now seen corresponding path program 1 times [2020-10-19 22:23:51,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:51,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135671462] [2020-10-19 22:23:51,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-10-19 22:23:51,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135671462] [2020-10-19 22:23:51,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:51,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:51,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558925503] [2020-10-19 22:23:51,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:51,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:51,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:51,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:51,783 INFO L87 Difference]: Start difference. First operand 1351 states and 1926 transitions. Second operand 3 states. [2020-10-19 22:23:51,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:51,987 INFO L93 Difference]: Finished difference Result 2813 states and 4019 transitions. [2020-10-19 22:23:51,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:51,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-10-19 22:23:51,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:51,995 INFO L225 Difference]: With dead ends: 2813 [2020-10-19 22:23:51,995 INFO L226 Difference]: Without dead ends: 1401 [2020-10-19 22:23:51,998 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 22:23:52,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2020-10-19 22:23:52,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1351. [2020-10-19 22:23:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-10-19 22:23:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1910 transitions. [2020-10-19 22:23:52,045 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1910 transitions. Word has length 185 [2020-10-19 22:23:52,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:52,045 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1910 transitions. [2020-10-19 22:23:52,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1910 transitions. [2020-10-19 22:23:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-19 22:23:52,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:52,050 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:52,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-19 22:23:52,051 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:52,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:52,051 INFO L82 PathProgramCache]: Analyzing trace with hash -585141096, now seen corresponding path program 1 times [2020-10-19 22:23:52,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:52,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292182524] [2020-10-19 22:23:52,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-19 22:23:52,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292182524] [2020-10-19 22:23:52,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:52,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:52,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925061528] [2020-10-19 22:23:52,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:52,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:52,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:52,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:52,130 INFO L87 Difference]: Start difference. First operand 1351 states and 1910 transitions. Second operand 3 states. [2020-10-19 22:23:52,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:52,353 INFO L93 Difference]: Finished difference Result 2903 states and 4113 transitions. [2020-10-19 22:23:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:52,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-10-19 22:23:52,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:52,361 INFO L225 Difference]: With dead ends: 2903 [2020-10-19 22:23:52,361 INFO L226 Difference]: Without dead ends: 1499 [2020-10-19 22:23:52,365 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 22:23:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2020-10-19 22:23:52,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1451. [2020-10-19 22:23:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2020-10-19 22:23:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2030 transitions. [2020-10-19 22:23:52,413 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2030 transitions. Word has length 206 [2020-10-19 22:23:52,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:52,413 INFO L481 AbstractCegarLoop]: Abstraction has 1451 states and 2030 transitions. [2020-10-19 22:23:52,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:52,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2030 transitions. [2020-10-19 22:23:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-19 22:23:52,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:52,418 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 22:23:52,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-19 22:23:52,419 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:52,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:52,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2110600453, now seen corresponding path program 1 times [2020-10-19 22:23:52,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:52,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659937849] [2020-10-19 22:23:52,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-19 22:23:52,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659937849] [2020-10-19 22:23:52,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:52,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:52,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090819976] [2020-10-19 22:23:52,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:52,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:52,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:52,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:52,568 INFO L87 Difference]: Start difference. First operand 1451 states and 2030 transitions. Second operand 3 states. [2020-10-19 22:23:52,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:52,762 INFO L93 Difference]: Finished difference Result 3103 states and 4349 transitions. [2020-10-19 22:23:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:52,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-19 22:23:52,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:52,770 INFO L225 Difference]: With dead ends: 3103 [2020-10-19 22:23:52,770 INFO L226 Difference]: Without dead ends: 1607 [2020-10-19 22:23:52,774 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 22:23:52,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-10-19 22:23:52,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1563. [2020-10-19 22:23:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2020-10-19 22:23:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2170 transitions. [2020-10-19 22:23:52,824 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2170 transitions. Word has length 230 [2020-10-19 22:23:52,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:52,825 INFO L481 AbstractCegarLoop]: Abstraction has 1563 states and 2170 transitions. [2020-10-19 22:23:52,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2170 transitions. [2020-10-19 22:23:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-19 22:23:52,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:52,830 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 22:23:52,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-19 22:23:52,830 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:52,831 INFO L82 PathProgramCache]: Analyzing trace with hash 77206407, now seen corresponding path program 1 times [2020-10-19 22:23:52,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:52,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503649640] [2020-10-19 22:23:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:52,932 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-19 22:23:52,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503649640] [2020-10-19 22:23:52,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:52,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:52,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391152497] [2020-10-19 22:23:52,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:52,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:52,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:52,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:52,937 INFO L87 Difference]: Start difference. First operand 1563 states and 2170 transitions. Second operand 3 states. [2020-10-19 22:23:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:53,183 INFO L93 Difference]: Finished difference Result 3327 states and 4633 transitions. [2020-10-19 22:23:53,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:53,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-19 22:23:53,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:53,193 INFO L225 Difference]: With dead ends: 3327 [2020-10-19 22:23:53,193 INFO L226 Difference]: Without dead ends: 1735 [2020-10-19 22:23:53,196 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 22:23:53,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2020-10-19 22:23:53,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1687. [2020-10-19 22:23:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2020-10-19 22:23:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2338 transitions. [2020-10-19 22:23:53,270 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2338 transitions. Word has length 230 [2020-10-19 22:23:53,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:53,271 INFO L481 AbstractCegarLoop]: Abstraction has 1687 states and 2338 transitions. [2020-10-19 22:23:53,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2338 transitions. [2020-10-19 22:23:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-19 22:23:53,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:53,277 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:53,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-19 22:23:53,278 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:53,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:53,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1837554521, now seen corresponding path program 1 times [2020-10-19 22:23:53,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:53,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877089039] [2020-10-19 22:23:53,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-10-19 22:23:53,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877089039] [2020-10-19 22:23:53,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:53,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:53,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432042539] [2020-10-19 22:23:53,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:53,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:53,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:53,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:53,415 INFO L87 Difference]: Start difference. First operand 1687 states and 2338 transitions. Second operand 3 states. [2020-10-19 22:23:53,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:53,620 INFO L93 Difference]: Finished difference Result 3571 states and 4961 transitions. [2020-10-19 22:23:53,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:53,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2020-10-19 22:23:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:53,631 INFO L225 Difference]: With dead ends: 3571 [2020-10-19 22:23:53,631 INFO L226 Difference]: Without dead ends: 1871 [2020-10-19 22:23:53,635 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 22:23:53,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-10-19 22:23:53,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1827. [2020-10-19 22:23:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2020-10-19 22:23:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2538 transitions. [2020-10-19 22:23:53,718 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2538 transitions. Word has length 260 [2020-10-19 22:23:53,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:53,719 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2538 transitions. [2020-10-19 22:23:53,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:53,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2538 transitions. [2020-10-19 22:23:53,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-19 22:23:53,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:53,725 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:53,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-19 22:23:53,726 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:53,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:53,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1040904442, now seen corresponding path program 1 times [2020-10-19 22:23:53,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:53,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141603457] [2020-10-19 22:23:53,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-10-19 22:23:53,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141603457] [2020-10-19 22:23:53,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:53,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:53,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556900914] [2020-10-19 22:23:53,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:53,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:53,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:53,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:53,840 INFO L87 Difference]: Start difference. First operand 1827 states and 2538 transitions. Second operand 3 states. [2020-10-19 22:23:54,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:54,040 INFO L93 Difference]: Finished difference Result 3703 states and 5133 transitions. [2020-10-19 22:23:54,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:54,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-10-19 22:23:54,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:54,049 INFO L225 Difference]: With dead ends: 3703 [2020-10-19 22:23:54,049 INFO L226 Difference]: Without dead ends: 1871 [2020-10-19 22:23:54,052 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 22:23:54,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-10-19 22:23:54,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1827. [2020-10-19 22:23:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2020-10-19 22:23:54,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2522 transitions. [2020-10-19 22:23:54,106 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2522 transitions. Word has length 295 [2020-10-19 22:23:54,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:54,107 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2522 transitions. [2020-10-19 22:23:54,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:54,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2522 transitions. [2020-10-19 22:23:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-19 22:23:54,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:54,114 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:54,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-19 22:23:54,114 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:54,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:54,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1729384344, now seen corresponding path program 1 times [2020-10-19 22:23:54,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:54,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627979117] [2020-10-19 22:23:54,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-10-19 22:23:54,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627979117] [2020-10-19 22:23:54,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:54,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:54,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47940567] [2020-10-19 22:23:54,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:54,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:54,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:54,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:54,252 INFO L87 Difference]: Start difference. First operand 1827 states and 2522 transitions. Second operand 3 states. [2020-10-19 22:23:54,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:54,449 INFO L93 Difference]: Finished difference Result 3254 states and 4488 transitions. [2020-10-19 22:23:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:54,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-10-19 22:23:54,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:54,459 INFO L225 Difference]: With dead ends: 3254 [2020-10-19 22:23:54,459 INFO L226 Difference]: Without dead ends: 1838 [2020-10-19 22:23:54,462 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 22:23:54,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-10-19 22:23:54,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1802. [2020-10-19 22:23:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-10-19 22:23:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2456 transitions. [2020-10-19 22:23:54,512 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2456 transitions. Word has length 332 [2020-10-19 22:23:54,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:54,513 INFO L481 AbstractCegarLoop]: Abstraction has 1802 states and 2456 transitions. [2020-10-19 22:23:54,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2456 transitions. [2020-10-19 22:23:54,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-19 22:23:54,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:54,521 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:54,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-19 22:23:54,522 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:54,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:54,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1837144220, now seen corresponding path program 1 times [2020-10-19 22:23:54,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:54,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963216683] [2020-10-19 22:23:54,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 869 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2020-10-19 22:23:54,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963216683] [2020-10-19 22:23:54,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:54,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:54,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711020010] [2020-10-19 22:23:54,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:54,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:54,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:54,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:54,715 INFO L87 Difference]: Start difference. First operand 1802 states and 2456 transitions. Second operand 3 states. [2020-10-19 22:23:54,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:54,791 INFO L93 Difference]: Finished difference Result 5132 states and 6978 transitions. [2020-10-19 22:23:54,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:54,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 333 [2020-10-19 22:23:54,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:54,807 INFO L225 Difference]: With dead ends: 5132 [2020-10-19 22:23:54,807 INFO L226 Difference]: Without dead ends: 3337 [2020-10-19 22:23:54,810 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 22:23:54,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2020-10-19 22:23:54,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3335. [2020-10-19 22:23:54,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3335 states. [2020-10-19 22:23:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 3335 states and 4520 transitions. [2020-10-19 22:23:54,903 INFO L78 Accepts]: Start accepts. Automaton has 3335 states and 4520 transitions. Word has length 333 [2020-10-19 22:23:54,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:54,903 INFO L481 AbstractCegarLoop]: Abstraction has 3335 states and 4520 transitions. [2020-10-19 22:23:54,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 4520 transitions. [2020-10-19 22:23:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-19 22:23:54,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:54,913 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:54,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-19 22:23:54,914 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:54,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:54,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1564055932, now seen corresponding path program 1 times [2020-10-19 22:23:54,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:54,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049261566] [2020-10-19 22:23:54,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-10-19 22:23:55,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049261566] [2020-10-19 22:23:55,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770832790] [2020-10-19 22:23:55,100 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 22:23:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:55,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:23:55,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:23:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-10-19 22:23:55,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 22:23:55,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 22:23:55,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617945240] [2020-10-19 22:23:55,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:23:55,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:55,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:23:55,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:23:55,476 INFO L87 Difference]: Start difference. First operand 3335 states and 4520 transitions. Second operand 4 states. [2020-10-19 22:23:55,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:55,977 INFO L93 Difference]: Finished difference Result 7733 states and 10423 transitions. [2020-10-19 22:23:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 22:23:55,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 343 [2020-10-19 22:23:55,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:55,989 INFO L225 Difference]: With dead ends: 7733 [2020-10-19 22:23:55,989 INFO L226 Difference]: Without dead ends: 4401 [2020-10-19 22:23:55,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 345 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 22:23:56,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2020-10-19 22:23:56,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 3330. [2020-10-19 22:23:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3330 states. [2020-10-19 22:23:56,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 3330 states and 4359 transitions. [2020-10-19 22:23:56,098 INFO L78 Accepts]: Start accepts. Automaton has 3330 states and 4359 transitions. Word has length 343 [2020-10-19 22:23:56,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:56,099 INFO L481 AbstractCegarLoop]: Abstraction has 3330 states and 4359 transitions. [2020-10-19 22:23:56,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:23:56,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 4359 transitions. [2020-10-19 22:23:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-19 22:23:56,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:56,105 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:56,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-10-19 22:23:56,319 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:56,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:56,321 INFO L82 PathProgramCache]: Analyzing trace with hash 61848643, now seen corresponding path program 1 times [2020-10-19 22:23:56,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:56,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034987716] [2020-10-19 22:23:56,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-10-19 22:23:56,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034987716] [2020-10-19 22:23:56,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208230113] [2020-10-19 22:23:56,557 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 22:23:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:56,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:23:56,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:23:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-10-19 22:23:57,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 22:23:57,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 22:23:57,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998793632] [2020-10-19 22:23:57,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:23:57,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:57,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:23:57,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:23:57,018 INFO L87 Difference]: Start difference. First operand 3330 states and 4359 transitions. Second operand 4 states. [2020-10-19 22:23:57,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:57,352 INFO L93 Difference]: Finished difference Result 7693 states and 10068 transitions. [2020-10-19 22:23:57,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:23:57,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 369 [2020-10-19 22:23:57,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:57,363 INFO L225 Difference]: With dead ends: 7693 [2020-10-19 22:23:57,363 INFO L226 Difference]: Without dead ends: 4361 [2020-10-19 22:23:57,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 371 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 22:23:57,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4361 states. [2020-10-19 22:23:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4361 to 3344. [2020-10-19 22:23:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2020-10-19 22:23:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 4329 transitions. [2020-10-19 22:23:57,459 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 4329 transitions. Word has length 369 [2020-10-19 22:23:57,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:57,460 INFO L481 AbstractCegarLoop]: Abstraction has 3344 states and 4329 transitions. [2020-10-19 22:23:57,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:23:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 4329 transitions. [2020-10-19 22:23:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-10-19 22:23:57,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:57,467 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:57,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-10-19 22:23:57,681 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:57,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:57,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1613450848, now seen corresponding path program 1 times [2020-10-19 22:23:57,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:57,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118313215] [2020-10-19 22:23:57,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 883 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2020-10-19 22:23:57,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118313215] [2020-10-19 22:23:57,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:23:57,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:23:57,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264903036] [2020-10-19 22:23:57,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:23:57,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:57,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:23:57,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:23:57,862 INFO L87 Difference]: Start difference. First operand 3344 states and 4329 transitions. Second operand 3 states. [2020-10-19 22:23:58,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:58,034 INFO L93 Difference]: Finished difference Result 5721 states and 7412 transitions. [2020-10-19 22:23:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:23:58,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2020-10-19 22:23:58,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:58,039 INFO L225 Difference]: With dead ends: 5721 [2020-10-19 22:23:58,039 INFO L226 Difference]: Without dead ends: 1754 [2020-10-19 22:23:58,044 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 22:23:58,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2020-10-19 22:23:58,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1754. [2020-10-19 22:23:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1754 states. [2020-10-19 22:23:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2289 transitions. [2020-10-19 22:23:58,085 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2289 transitions. Word has length 408 [2020-10-19 22:23:58,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:58,086 INFO L481 AbstractCegarLoop]: Abstraction has 1754 states and 2289 transitions. [2020-10-19 22:23:58,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:23:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2289 transitions. [2020-10-19 22:23:58,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2020-10-19 22:23:58,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:23:58,092 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:23:58,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-19 22:23:58,092 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:23:58,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:23:58,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1952423320, now seen corresponding path program 1 times [2020-10-19 22:23:58,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:23:58,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101718004] [2020-10-19 22:23:58,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:23:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:58,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2020-10-19 22:23:58,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101718004] [2020-10-19 22:23:58,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349303616] [2020-10-19 22:23:58,463 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 22:23:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:23:58,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:23:58,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:23:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2020-10-19 22:23:58,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 22:23:58,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 22:23:58,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924626237] [2020-10-19 22:23:58,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:23:58,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:23:58,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:23:58,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:23:58,783 INFO L87 Difference]: Start difference. First operand 1754 states and 2289 transitions. Second operand 4 states. [2020-10-19 22:23:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:23:58,992 INFO L93 Difference]: Finished difference Result 2326 states and 3061 transitions. [2020-10-19 22:23:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:23:58,992 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 492 [2020-10-19 22:23:58,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:23:58,993 INFO L225 Difference]: With dead ends: 2326 [2020-10-19 22:23:58,993 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:23:58,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 494 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 22:23:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:23:58,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:23:58,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:23:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:23:58,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 492 [2020-10-19 22:23:58,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:23:58,997 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:23:58,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:23:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:23:58,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:23:59,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:23:59,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:24:00,001 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 127 [2020-10-19 22:24:00,256 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2020-10-19 22:24:00,701 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-10-19 22:24:01,033 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-10-19 22:24:01,294 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 18 [2020-10-19 22:24:01,578 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2020-10-19 22:24:02,788 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2020-10-19 22:24:03,093 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2020-10-19 22:24:03,442 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-10-19 22:24:03,723 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-10-19 22:24:03,925 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-10-19 22:24:04,220 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2020-10-19 22:24:04,461 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-10-19 22:24:04,598 INFO L270 CegarLoopResult]: At program point L531(lines 96 597) the Hoare annotation is: (let ((.cse14 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (.cse8 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse11 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4)) (.cse15 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse6 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)) (.cse7 (<= ULTIMATE.start_ssl3_connect_~s__state~0 3)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (.cse2 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse24 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse9 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse10 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse20 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384))) (.cse5 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse12 (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse13 (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse16 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse23 (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368))) (.cse19 (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse17 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (.cse21 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse22 (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse5) (and .cse8 .cse9 .cse10 .cse11 .cse5) (and .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (and .cse15 .cse7 .cse5) (and .cse12 .cse13 .cse6 .cse14 .cse16 .cse17 .cse19 .cse20 .cse21 .cse22) (and .cse8 .cse15 .cse11) (and .cse12 .cse1 .cse16 .cse23 .cse18 .cse19 .cse17 .cse10 .cse20 .cse5 .cse22) (and .cse12 .cse13 .cse6 .cse16 .cse23 .cse19 .cse17 .cse20 .cse21 .cse22) (and .cse0 .cse15 .cse2 .cse24 .cse3 .cse4 .cse21) (and .cse12 .cse15 .cse16 .cse23 .cse18 .cse19 .cse17 .cse20 .cse5 .cse22) (and .cse0 .cse6 .cse2 .cse24 .cse3 .cse4 .cse21) (and .cse7 .cse10) (and .cse0 .cse2 .cse24 .cse3 .cse10 .cse4 .cse21 .cse5) (and .cse12 .cse13 .cse9 .cse16 .cse18 .cse19 .cse17 .cse10 .cse20 .cse21 .cse5 .cse22) (and .cse12 .cse13 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1) .cse16 .cse23 .cse18 .cse19 .cse17 .cse21 .cse22))) [2020-10-19 22:24:04,599 INFO L274 CegarLoopResult]: For program point L168(lines 168 543) no Hoare annotation was computed. [2020-10-19 22:24:04,599 INFO L274 CegarLoopResult]: For program point L135(lines 135 554) no Hoare annotation was computed. [2020-10-19 22:24:04,599 INFO L274 CegarLoopResult]: For program point L102(lines 102 565) no Hoare annotation was computed. [2020-10-19 22:24:04,599 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-19 22:24:04,599 INFO L277 CegarLoopResult]: At program point L598(lines 95 599) the Hoare annotation is: true [2020-10-19 22:24:04,599 INFO L270 CegarLoopResult]: At program point L136(lines 132 555) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~s__state~0 4432) (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0) (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L368-2(lines 368 372) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L567(lines 567 595) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L171(lines 171 542) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L138(lines 138 553) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L105(lines 105 564) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L568(lines 568 592) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L502-1(lines 200 530) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L337(lines 337 342) no Hoare annotation was computed. [2020-10-19 22:24:04,600 INFO L274 CegarLoopResult]: For program point L304-1(lines 304 318) no Hoare annotation was computed. [2020-10-19 22:24:04,601 INFO L270 CegarLoopResult]: At program point L205(lines 102 565) the Hoare annotation is: (and (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433)) (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384)) (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4529 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368)) (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0))) [2020-10-19 22:24:04,601 INFO L270 CegarLoopResult]: At program point L172(lines 168 543) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse1 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse2 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4512)) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)))) (or (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-19 22:24:04,601 INFO L274 CegarLoopResult]: For program point L602(lines 602 606) no Hoare annotation was computed. [2020-10-19 22:24:04,601 INFO L274 CegarLoopResult]: For program point L569(lines 569 578) no Hoare annotation was computed. [2020-10-19 22:24:04,601 INFO L274 CegarLoopResult]: For program point L602-2(lines 602 606) no Hoare annotation was computed. [2020-10-19 22:24:04,602 INFO L274 CegarLoopResult]: For program point L569-2(lines 568 590) no Hoare annotation was computed. [2020-10-19 22:24:04,602 INFO L274 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-10-19 22:24:04,602 INFO L274 CegarLoopResult]: For program point L174(lines 174 541) no Hoare annotation was computed. [2020-10-19 22:24:04,602 INFO L274 CegarLoopResult]: For program point L141(lines 141 552) no Hoare annotation was computed. [2020-10-19 22:24:04,602 INFO L274 CegarLoopResult]: For program point L108(lines 108 563) no Hoare annotation was computed. [2020-10-19 22:24:04,603 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-10-19 22:24:04,603 INFO L274 CegarLoopResult]: For program point L439(lines 439 444) no Hoare annotation was computed. [2020-10-19 22:24:04,603 INFO L270 CegarLoopResult]: At program point L142(lines 138 553) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0)) (<= ULTIMATE.start_ssl3_connect_~s__state~0 4448) (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) [2020-10-19 22:24:04,603 INFO L274 CegarLoopResult]: For program point L76(lines 76 84) no Hoare annotation was computed. [2020-10-19 22:24:04,603 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-10-19 22:24:04,604 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-10-19 22:24:04,604 INFO L274 CegarLoopResult]: For program point L308-2(lines 306 318) no Hoare annotation was computed. [2020-10-19 22:24:04,604 INFO L274 CegarLoopResult]: For program point L507-1(lines 507 511) no Hoare annotation was computed. [2020-10-19 22:24:04,604 INFO L274 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-10-19 22:24:04,604 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-10-19 22:24:04,604 INFO L274 CegarLoopResult]: For program point L177(lines 177 540) no Hoare annotation was computed. [2020-10-19 22:24:04,604 INFO L274 CegarLoopResult]: For program point L144(lines 144 551) no Hoare annotation was computed. [2020-10-19 22:24:04,605 INFO L274 CegarLoopResult]: For program point L210-2(lines 200 530) no Hoare annotation was computed. [2020-10-19 22:24:04,605 INFO L274 CegarLoopResult]: For program point L111(lines 111 562) no Hoare annotation was computed. [2020-10-19 22:24:04,605 INFO L270 CegarLoopResult]: At program point L178(lines 174 541) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4528))) (.cse2 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse3 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse5 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse7 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse0 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse5 .cse6 .cse7))) [2020-10-19 22:24:04,605 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-19 22:24:04,605 INFO L274 CegarLoopResult]: For program point L79-2(lines 76 84) no Hoare annotation was computed. [2020-10-19 22:24:04,605 INFO L277 CegarLoopResult]: At program point L609(lines 9 611) the Hoare annotation is: true [2020-10-19 22:24:04,605 INFO L274 CegarLoopResult]: For program point L246(lines 246 251) no Hoare annotation was computed. [2020-10-19 22:24:04,605 INFO L274 CegarLoopResult]: For program point L180(lines 180 539) no Hoare annotation was computed. [2020-10-19 22:24:04,605 INFO L274 CegarLoopResult]: For program point L147(lines 147 550) no Hoare annotation was computed. [2020-10-19 22:24:04,606 INFO L274 CegarLoopResult]: For program point L114(lines 114 561) no Hoare annotation was computed. [2020-10-19 22:24:04,606 INFO L274 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-10-19 22:24:04,606 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 482) no Hoare annotation was computed. [2020-10-19 22:24:04,606 INFO L270 CegarLoopResult]: At program point L148(lines 144 551) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4464)) (.cse1 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse2 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-19 22:24:04,606 INFO L274 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-10-19 22:24:04,606 INFO L274 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-10-19 22:24:04,606 INFO L274 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-10-19 22:24:04,606 INFO L270 CegarLoopResult]: At program point L348(lines 62 610) the Hoare annotation is: false [2020-10-19 22:24:04,606 INFO L274 CegarLoopResult]: For program point L183(lines 183 538) no Hoare annotation was computed. [2020-10-19 22:24:04,607 INFO L274 CegarLoopResult]: For program point L150(lines 150 549) no Hoare annotation was computed. [2020-10-19 22:24:04,607 INFO L274 CegarLoopResult]: For program point L117(lines 117 560) no Hoare annotation was computed. [2020-10-19 22:24:04,607 INFO L274 CegarLoopResult]: For program point L580(lines 580 586) no Hoare annotation was computed. [2020-10-19 22:24:04,607 INFO L274 CegarLoopResult]: For program point L514(lines 514 518) no Hoare annotation was computed. [2020-10-19 22:24:04,607 INFO L274 CegarLoopResult]: For program point L514-2(lines 514 518) no Hoare annotation was computed. [2020-10-19 22:24:04,607 INFO L270 CegarLoopResult]: At program point L184(lines 180 539) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse2 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-10-19 22:24:04,607 INFO L270 CegarLoopResult]: At program point L118(lines 114 561) the Hoare annotation is: (and (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0) (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0)) (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) [2020-10-19 22:24:04,607 INFO L274 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-10-19 22:24:04,607 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:24:04,608 INFO L274 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-10-19 22:24:04,608 INFO L274 CegarLoopResult]: For program point L284-2(lines 200 530) no Hoare annotation was computed. [2020-10-19 22:24:04,608 INFO L274 CegarLoopResult]: For program point L86(lines 86 94) no Hoare annotation was computed. [2020-10-19 22:24:04,608 INFO L274 CegarLoopResult]: For program point L186(lines 186 537) no Hoare annotation was computed. [2020-10-19 22:24:04,608 INFO L274 CegarLoopResult]: For program point L153(lines 153 548) no Hoare annotation was computed. [2020-10-19 22:24:04,608 INFO L274 CegarLoopResult]: For program point L120(lines 120 559) no Hoare annotation was computed. [2020-10-19 22:24:04,609 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-10-19 22:24:04,609 INFO L274 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-10-19 22:24:04,609 INFO L274 CegarLoopResult]: For program point L486-1(lines 486 498) no Hoare annotation was computed. [2020-10-19 22:24:04,609 INFO L274 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-10-19 22:24:04,609 INFO L274 CegarLoopResult]: For program point L222(lines 222 239) no Hoare annotation was computed. [2020-10-19 22:24:04,610 INFO L274 CegarLoopResult]: For program point L189(lines 189 536) no Hoare annotation was computed. [2020-10-19 22:24:04,610 INFO L274 CegarLoopResult]: For program point L156(lines 156 547) no Hoare annotation was computed. [2020-10-19 22:24:04,610 INFO L274 CegarLoopResult]: For program point L222-2(lines 200 530) no Hoare annotation was computed. [2020-10-19 22:24:04,610 INFO L274 CegarLoopResult]: For program point L123(lines 123 558) no Hoare annotation was computed. [2020-10-19 22:24:04,610 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:24:04,611 INFO L270 CegarLoopResult]: At program point L190(lines 186 537) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0) (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1))) [2020-10-19 22:24:04,611 INFO L270 CegarLoopResult]: At program point L124(lines 120 559) the Hoare annotation is: (and (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1) (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0) (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368)) (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0))) [2020-10-19 22:24:04,611 INFO L277 CegarLoopResult]: At program point L620(lines 612 622) the Hoare annotation is: true [2020-10-19 22:24:04,611 INFO L274 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-10-19 22:24:04,611 INFO L274 CegarLoopResult]: For program point L224(lines 224 229) no Hoare annotation was computed. [2020-10-19 22:24:04,612 INFO L274 CegarLoopResult]: For program point L489(lines 489 494) no Hoare annotation was computed. [2020-10-19 22:24:04,612 INFO L274 CegarLoopResult]: For program point L456(lines 456 467) no Hoare annotation was computed. [2020-10-19 22:24:04,612 INFO L274 CegarLoopResult]: For program point L456-1(lines 456 467) no Hoare annotation was computed. [2020-10-19 22:24:04,612 INFO L274 CegarLoopResult]: For program point L192(lines 192 535) no Hoare annotation was computed. [2020-10-19 22:24:04,612 INFO L274 CegarLoopResult]: For program point L159(lines 159 546) no Hoare annotation was computed. [2020-10-19 22:24:04,613 INFO L274 CegarLoopResult]: For program point L126(lines 126 557) no Hoare annotation was computed. [2020-10-19 22:24:04,613 INFO L274 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-10-19 22:24:04,613 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-10-19 22:24:04,613 INFO L274 CegarLoopResult]: For program point L325-2(lines 200 530) no Hoare annotation was computed. [2020-10-19 22:24:04,614 INFO L270 CegarLoopResult]: At program point L193(lines 192 535) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (.cse0 (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse1 (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368))) (.cse6 (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse9 (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0) .cse3 .cse5 .cse6 .cse4 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse7 .cse8 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0) .cse9))) [2020-10-19 22:24:04,614 INFO L270 CegarLoopResult]: At program point L160(lines 150 549) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse1 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse2 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4480)) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-19 22:24:04,614 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:24:04,614 INFO L274 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-10-19 22:24:04,614 INFO L274 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-10-19 22:24:04,615 INFO L274 CegarLoopResult]: For program point L260-2(lines 200 530) no Hoare annotation was computed. [2020-10-19 22:24:04,615 INFO L274 CegarLoopResult]: For program point L195(lines 195 534) no Hoare annotation was computed. [2020-10-19 22:24:04,615 INFO L274 CegarLoopResult]: For program point L162(lines 162 545) no Hoare annotation was computed. [2020-10-19 22:24:04,615 INFO L274 CegarLoopResult]: For program point L129(lines 129 556) no Hoare annotation was computed. [2020-10-19 22:24:04,615 INFO L274 CegarLoopResult]: For program point L96-1(lines 62 610) no Hoare annotation was computed. [2020-10-19 22:24:04,616 INFO L274 CegarLoopResult]: For program point L295(lines 295 299) no Hoare annotation was computed. [2020-10-19 22:24:04,616 INFO L274 CegarLoopResult]: For program point L295-2(lines 295 299) no Hoare annotation was computed. [2020-10-19 22:24:04,616 INFO L270 CegarLoopResult]: At program point L196(lines 195 534) the Hoare annotation is: (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) [2020-10-19 22:24:04,616 INFO L270 CegarLoopResult]: At program point L130(lines 126 557) the Hoare annotation is: (let ((.cse0 (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368))) (.cse4 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse7 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse8 (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0)))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse5 .cse6 .cse7 .cse8))) [2020-10-19 22:24:04,616 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-19 22:24:04,617 INFO L274 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-10-19 22:24:04,617 INFO L274 CegarLoopResult]: For program point L428-2(lines 200 530) no Hoare annotation was computed. [2020-10-19 22:24:04,617 INFO L274 CegarLoopResult]: For program point L230(lines 230 235) no Hoare annotation was computed. [2020-10-19 22:24:04,617 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:24:04,617 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-19 22:24:04,618 INFO L274 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2020-10-19 22:24:04,618 INFO L274 CegarLoopResult]: For program point L165(lines 165 544) no Hoare annotation was computed. [2020-10-19 22:24:04,618 INFO L274 CegarLoopResult]: For program point L132(lines 132 555) no Hoare annotation was computed. [2020-10-19 22:24:04,618 INFO L274 CegarLoopResult]: For program point L99(lines 99 566) no Hoare annotation was computed. [2020-10-19 22:24:04,618 INFO L274 CegarLoopResult]: For program point L397(lines 397 402) no Hoare annotation was computed. [2020-10-19 22:24:04,618 INFO L274 CegarLoopResult]: For program point L397-2(lines 397 402) no Hoare annotation was computed. [2020-10-19 22:24:04,619 INFO L270 CegarLoopResult]: At program point L199(lines 198 533) the Hoare annotation is: (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) [2020-10-19 22:24:04,619 INFO L270 CegarLoopResult]: At program point L166(lines 162 545) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse1 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse2 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4512)) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-19 22:24:04,619 INFO L270 CegarLoopResult]: At program point L100(lines 99 566) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) [2020-10-19 22:24:04,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:24:04 BoogieIcfgContainer [2020-10-19 22:24:04,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:24:04,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:24:04,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:24:04,688 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:24:04,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:23:46" (3/4) ... [2020-10-19 22:24:04,693 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:24:04,713 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:24:04,714 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:24:04,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:24:04,716 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:24:04,823 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:24:04,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:24:04,825 INFO L168 Benchmark]: Toolchain (without parser) took 19972.43 ms. Allocated memory was 36.7 MB in the beginning and 326.6 MB in the end (delta: 289.9 MB). Free memory was 18.6 MB in the beginning and 190.1 MB in the end (delta: -171.5 MB). Peak memory consumption was 118.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:04,825 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 34.6 MB. Free memory was 11.6 MB in the beginning and 11.6 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. [2020-10-19 22:24:04,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.97 ms. Allocated memory was 36.7 MB in the beginning and 44.6 MB in the end (delta: 7.9 MB). Free memory was 17.7 MB in the beginning and 23.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:04,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.65 ms. Allocated memory is still 44.6 MB. Free memory was 23.2 MB in the beginning and 20.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:04,827 INFO L168 Benchmark]: Boogie Preprocessor took 40.68 ms. Allocated memory is still 44.6 MB. Free memory was 20.4 MB in the beginning and 18.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:04,827 INFO L168 Benchmark]: RCFGBuilder took 790.17 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 18.3 MB in the beginning and 22.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:04,828 INFO L168 Benchmark]: TraceAbstraction took 18433.82 ms. Allocated memory was 47.2 MB in the beginning and 326.6 MB in the end (delta: 279.4 MB). Free memory was 22.0 MB in the beginning and 206.4 MB in the end (delta: -184.4 MB). Peak memory consumption was 274.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:04,828 INFO L168 Benchmark]: Witness Printer took 137.53 ms. Allocated memory is still 326.6 MB. Free memory was 206.4 MB in the beginning and 190.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:04,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 34.6 MB. Free memory was 11.6 MB in the beginning and 11.6 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 501.97 ms. Allocated memory was 36.7 MB in the beginning and 44.6 MB in the end (delta: 7.9 MB). Free memory was 17.7 MB in the beginning and 23.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 57.65 ms. Allocated memory is still 44.6 MB. Free memory was 23.2 MB in the beginning and 20.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 40.68 ms. Allocated memory is still 44.6 MB. Free memory was 20.4 MB in the beginning and 18.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 790.17 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 18.3 MB in the beginning and 22.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 18433.82 ms. Allocated memory was 47.2 MB in the beginning and 326.6 MB in the end (delta: 279.4 MB). Free memory was 22.0 MB in the beginning and 206.4 MB in the end (delta: -184.4 MB). Peak memory consumption was 274.8 MB. Max. memory is 14.3 GB. * Witness Printer took 137.53 ms. Allocated memory is still 326.6 MB. Free memory was 206.4 MB in the beginning and 190.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 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: 162]: Loop Invariant Derived loop invariant: ((((((((blastFlag == 0 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) || (((((((blastFlag <= 4 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || (((((((!(s__state == 4433) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((blastFlag == 2 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((((!(4400 == s__state) && blastFlag == 1) && 4352 <= s__state) && !(4352 == s__state)) && !(4401 == s__state)) && !(s__state == 4368)) && s__state <= 4416) && !(s__state == 4416)) && !(4369 == s__state) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: !(4432 == s__state) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 4528) && s__state <= 4528) && blastFlag <= 4) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) || (((((((!(s__state == 4528) && s__state <= 4528) && blastFlag == 0) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || (((((((!(s__state == 4528) && s__state <= 4528) && blastFlag == 2) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || ((((((((s__state <= 4528 && !(s__state == 4528)) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((s__state <= 4432 && blastFlag <= 4) && !(4432 == s__state)) && 4416 <= s__state) && s__hit == 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 2) && 4560 <= s__state) || ((((s__state <= 4560 && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__state) && s__hit == 0)) || (blastFlag == 0 && 4560 <= s__state) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((((((((s__state <= 4464 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) || (((((((s__state <= 4464 && blastFlag <= 4) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((s__state <= 4464 && blastFlag == 2) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || ((((((blastFlag == 0 && s__state <= 4464) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((((((((((((((s__state <= 4528 && blastFlag <= 4) && !(s__state == 4433)) && !(4417 == s__state)) && 4416 <= s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 3) && s__hit == 0)) || ((((s__state <= 4560 && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__state) && s__hit == 0)) || ((((((((((!(4385 == s__state) && !(4400 == s__state)) && s__s3__tmp__next_state___0 <= 3) && blastFlag == 2) && 4352 <= s__state) && s__state <= 4416) && !(s__state == 4368)) && !(4401 == s__state)) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state))) || ((blastFlag == 2 && s__state <= 3) && s__hit == 0)) || (((((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 0) && s__s3__tmp__next_state___0 <= 3) && 4352 <= s__state) && s__state <= 4416) && !(4401 == s__state)) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state))) || ((s__state <= 4560 && blastFlag == 2) && 4560 <= s__state)) || ((((((((((!(4385 == s__state) && blastFlag <= 4) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && s__s3__tmp__next_state___0 <= 4560) && !(s__state == 4384)) && s__hit == 0) && !(4369 == s__state))) || (((((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 0) && 4352 <= s__state) && !(4352 == s__state)) && !(4401 == s__state)) && s__state <= 4416) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state))) || ((((((s__state <= 4528 && blastFlag == 2) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || (((((((((!(4385 == s__state) && blastFlag == 2) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && !(s__state == 4384)) && s__hit == 0) && !(4369 == s__state))) || ((((((s__state <= 4528 && blastFlag == 0) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || (s__state <= 3 && s__s3__tmp__next_state___0 <= 4560)) || (((((((s__state <= 4528 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || (((((((((((!(4385 == s__state) && !(4400 == s__state)) && 4560 <= s__s3__tmp__next_state___0) && 4352 <= s__state) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && s__s3__tmp__next_state___0 <= 4560) && !(s__state == 4384)) && !(s__state == 4416)) && s__hit == 0) && !(4369 == s__state))) || (((((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 1) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && !(s__state == 4416)) && !(4369 == s__state)) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((((((blastFlag == 2 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4480) && 4416 <= s__state) && !(s__state == 4416)) || (((((((!(s__state == 4433) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4480) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || (((((((blastFlag <= 4 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4480) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((blastFlag == 0 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4480) && 4416 <= s__state) && !(s__state == 4416)) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 0) && 4352 <= s__state) && !(4352 == s__state)) && !(4401 == s__state)) && s__state <= 4416) && !(s__state == 4384)) && !(s__state == 4416) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 0) && s__s3__tmp__next_state___0 <= 3) && 4352 <= s__state) && s__state <= 4416) && !(s__state == 4368)) && !(4401 == s__state)) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state)) || ((((((((((!(4385 == s__state) && !(4400 == s__state)) && s__s3__tmp__next_state___0 <= 3) && blastFlag == 2) && 4352 <= s__state) && s__state <= 4416) && !(s__state == 4368)) && !(4401 == s__state)) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state))) || (((((((((((!(4385 == s__state) && !(4400 == s__state)) && 4560 <= s__s3__tmp__next_state___0) && 4352 <= s__state) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && s__s3__tmp__next_state___0 <= 4560) && !(s__state == 4384)) && !(s__state == 4416)) && s__hit == 0) && !(4369 == s__state)) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((((((((blastFlag <= 4 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) || ((((((blastFlag == 0 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416))) || (((((((!(s__state == 4433) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((blastFlag == 2 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((((!(4385 == s__state) && blastFlag == 2) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && s__state <= 4416) && !(s__state == 4384)) && !(s__state == 4416)) && s__hit == 0) && !(4369 == s__state)) || ((((((((((!(4385 == s__state) && blastFlag <= 4) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && s__state <= 4416) && s__s3__tmp__next_state___0 <= 4560) && !(s__state == 4384)) && !(s__state == 4416)) && s__hit == 0) && !(4369 == s__state)) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((((((((((!(4385 == s__state) && !(s__state == 4528)) && blastFlag == 0) && !(s__state == 4433)) && !(4432 == s__state)) && !(s__state == 4384)) && !(4400 == s__state)) && !(4417 == s__state)) && !(4529 == s__state)) && !(4352 == s__state)) && !(s__state == 4368)) && !(4401 == s__state)) && !(s__state == 4416)) && !(4369 == s__state) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((((s__state <= 4560 && blastFlag == 2) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) || (((((((s__state <= 4560 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((s__state <= 4560 && blastFlag == 0) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || (((((((s__state <= 4560 && blastFlag <= 4) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((blastFlag <= 4 && !(4417 == s__state)) && s__state <= 4448) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: blastFlag == 0 && 4560 <= s__state - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: !(4432 == s__state) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 31, TraceHistogramMax: 19, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4814 SDtfs, 3546 SDslu, 2055 SDs, 0 SdLazy, 2804 SolverSat, 959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1303 GetRequests, 1266 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3344occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 31 MinimizatonAttempts, 2528 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 151 NumberOfFragments, 1533 HoareAnnotationTreeSize, 22 FomulaSimplifications, 188017 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 36666 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 6490 NumberOfCodeBlocks, 6490 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 6456 ConstructedInterpolants, 0 QuantifiedInterpolants, 2334995 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2004 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 34 InterpolantComputations, 28 PerfectInterpolantSequences, 23224/23286 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...