./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_2.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 724fb2d5eb33b2f1563a1f753919b88185f2f4bb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 19:38:45,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:38:45,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:38:45,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:38:45,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:38:45,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:38:45,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:38:45,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:38:45,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:38:45,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:38:45,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:38:45,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:38:45,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:38:45,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:38:46,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:38:46,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:38:46,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:38:46,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:38:46,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:38:46,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:38:46,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:38:46,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:38:46,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:38:46,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:38:46,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:38:46,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:38:46,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:38:46,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:38:46,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:38:46,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:38:46,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:38:46,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:38:46,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:38:46,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:38:46,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:38:46,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:38:46,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:38:46,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:38:46,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:38:46,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:38:46,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:38:46,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:38:46,113 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:38:46,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:38:46,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:38:46,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:38:46,117 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:38:46,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:38:46,118 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:38:46,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:38:46,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:38:46,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:38:46,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:38:46,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:38:46,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:38:46,121 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:38:46,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:38:46,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:38:46,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:38:46,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:38:46,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:38:46,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:38:46,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:38:46,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:38:46,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:38:46,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:38:46,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:38:46,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:38:46,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:38:46,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:38:46,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:38:46,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724fb2d5eb33b2f1563a1f753919b88185f2f4bb [2020-10-25 19:38:46,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:38:46,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:38:46,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:38:46,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:38:46,604 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:38:46,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2020-10-25 19:38:46,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028483cd7/4fe30e48a01c4c45a8e78ab7fd7e0551/FLAG70cd56d64 [2020-10-25 19:38:47,424 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:38:47,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2020-10-25 19:38:47,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028483cd7/4fe30e48a01c4c45a8e78ab7fd7e0551/FLAG70cd56d64 [2020-10-25 19:38:47,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028483cd7/4fe30e48a01c4c45a8e78ab7fd7e0551 [2020-10-25 19:38:47,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:38:47,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:38:47,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:38:47,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:38:47,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:38:47,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fd0744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47, skipping insertion in model container [2020-10-25 19:38:47,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:38:47,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:38:48,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:38:48,165 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:38:48,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:38:48,252 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:38:48,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48 WrapperNode [2020-10-25 19:38:48,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:38:48,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:38:48,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:38:48,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:38:48,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:38:48,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:38:48,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:38:48,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:38:48,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (1/1) ... [2020-10-25 19:38:48,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:38:48,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:38:48,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:38:48,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:38:48,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (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 [2020-10-25 19:38:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:38:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:38:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:38:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:38:48,658 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-25 19:38:49,632 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-25 19:38:49,633 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-25 19:38:49,651 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:38:49,651 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:38:49,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:38:49 BoogieIcfgContainer [2020-10-25 19:38:49,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:38:49,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:38:49,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:38:49,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:38:49,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:38:47" (1/3) ... [2020-10-25 19:38:49,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52433414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:38:49, skipping insertion in model container [2020-10-25 19:38:49,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:48" (2/3) ... [2020-10-25 19:38:49,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52433414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:38:49, skipping insertion in model container [2020-10-25 19:38:49,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:38:49" (3/3) ... [2020-10-25 19:38:49,677 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2020-10-25 19:38:49,695 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:38:49,702 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:38:49,720 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:38:49,764 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:38:49,765 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:38:49,765 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:38:49,765 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:38:49,765 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:38:49,766 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:38:49,766 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:38:49,766 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:38:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-10-25 19:38:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-25 19:38:49,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:49,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:49,797 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:49,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:49,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2020-10-25 19:38:49,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:49,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703802307] [2020-10-25 19:38:49,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:38:50,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703802307] [2020-10-25 19:38:50,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:50,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:50,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373443291] [2020-10-25 19:38:50,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:50,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:50,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:50,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:50,138 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 3 states. [2020-10-25 19:38:50,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:50,533 INFO L93 Difference]: Finished difference Result 329 states and 565 transitions. [2020-10-25 19:38:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:50,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-10-25 19:38:50,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:50,549 INFO L225 Difference]: With dead ends: 329 [2020-10-25 19:38:50,550 INFO L226 Difference]: Without dead ends: 175 [2020-10-25 19:38:50,554 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 [2020-10-25 19:38:50,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-25 19:38:50,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2020-10-25 19:38:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-25 19:38:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2020-10-25 19:38:50,615 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2020-10-25 19:38:50,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:50,616 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2020-10-25 19:38:50,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2020-10-25 19:38:50,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-25 19:38:50,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:50,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:50,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:38:50,620 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:50,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:50,621 INFO L82 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2020-10-25 19:38:50,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:50,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99055622] [2020-10-25 19:38:50,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:38:50,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99055622] [2020-10-25 19:38:50,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:50,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:50,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208056449] [2020-10-25 19:38:50,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:50,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:50,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:50,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:50,766 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand 3 states. [2020-10-25 19:38:51,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:51,020 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2020-10-25 19:38:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:51,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-10-25 19:38:51,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:51,024 INFO L225 Difference]: With dead ends: 380 [2020-10-25 19:38:51,024 INFO L226 Difference]: Without dead ends: 216 [2020-10-25 19:38:51,026 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 [2020-10-25 19:38:51,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-10-25 19:38:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2020-10-25 19:38:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-25 19:38:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2020-10-25 19:38:51,044 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2020-10-25 19:38:51,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:51,045 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2020-10-25 19:38:51,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2020-10-25 19:38:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-25 19:38:51,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:51,049 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:51,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:38:51,050 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:51,051 INFO L82 PathProgramCache]: Analyzing trace with hash 2071968837, now seen corresponding path program 1 times [2020-10-25 19:38:51,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:51,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483147074] [2020-10-25 19:38:51,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:38:51,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483147074] [2020-10-25 19:38:51,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:51,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:51,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347126193] [2020-10-25 19:38:51,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:51,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:51,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:51,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:51,173 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand 3 states. [2020-10-25 19:38:51,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:51,402 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2020-10-25 19:38:51,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:51,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-10-25 19:38:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:51,407 INFO L225 Difference]: With dead ends: 445 [2020-10-25 19:38:51,408 INFO L226 Difference]: Without dead ends: 242 [2020-10-25 19:38:51,409 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 [2020-10-25 19:38:51,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-25 19:38:51,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-25 19:38:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-25 19:38:51,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2020-10-25 19:38:51,449 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2020-10-25 19:38:51,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:51,450 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2020-10-25 19:38:51,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:51,450 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2020-10-25 19:38:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-25 19:38:51,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:51,459 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:51,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:38:51,460 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:51,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:51,462 INFO L82 PathProgramCache]: Analyzing trace with hash -947039589, now seen corresponding path program 1 times [2020-10-25 19:38:51,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:51,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564546487] [2020-10-25 19:38:51,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-25 19:38:51,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564546487] [2020-10-25 19:38:51,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:51,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:51,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074306046] [2020-10-25 19:38:51,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:51,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:51,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:51,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:51,598 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand 3 states. [2020-10-25 19:38:51,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:51,766 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2020-10-25 19:38:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:51,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-10-25 19:38:51,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:51,769 INFO L225 Difference]: With dead ends: 493 [2020-10-25 19:38:51,770 INFO L226 Difference]: Without dead ends: 259 [2020-10-25 19:38:51,771 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 [2020-10-25 19:38:51,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-25 19:38:51,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2020-10-25 19:38:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-25 19:38:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2020-10-25 19:38:51,798 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2020-10-25 19:38:51,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:51,798 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2020-10-25 19:38:51,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2020-10-25 19:38:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-25 19:38:51,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:51,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:51,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:38:51,805 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:51,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:51,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1168944985, now seen corresponding path program 1 times [2020-10-25 19:38:51,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:51,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184949340] [2020-10-25 19:38:51,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:38:51,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184949340] [2020-10-25 19:38:51,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:51,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:51,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088764139] [2020-10-25 19:38:51,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:51,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:51,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:51,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:51,919 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand 3 states. [2020-10-25 19:38:52,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:52,136 INFO L93 Difference]: Finished difference Result 552 states and 931 transitions. [2020-10-25 19:38:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:52,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-10-25 19:38:52,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:52,140 INFO L225 Difference]: With dead ends: 552 [2020-10-25 19:38:52,140 INFO L226 Difference]: Without dead ends: 303 [2020-10-25 19:38:52,141 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 [2020-10-25 19:38:52,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-25 19:38:52,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-25 19:38:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-25 19:38:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2020-10-25 19:38:52,173 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2020-10-25 19:38:52,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:52,173 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2020-10-25 19:38:52,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2020-10-25 19:38:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-25 19:38:52,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:52,178 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:52,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:38:52,179 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:52,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:52,180 INFO L82 PathProgramCache]: Analyzing trace with hash 2129818626, now seen corresponding path program 1 times [2020-10-25 19:38:52,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:52,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537822085] [2020-10-25 19:38:52,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-25 19:38:52,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537822085] [2020-10-25 19:38:52,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:52,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:52,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827975891] [2020-10-25 19:38:52,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:52,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:52,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:52,274 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand 3 states. [2020-10-25 19:38:52,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:52,459 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2020-10-25 19:38:52,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:52,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-10-25 19:38:52,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:52,462 INFO L225 Difference]: With dead ends: 592 [2020-10-25 19:38:52,462 INFO L226 Difference]: Without dead ends: 301 [2020-10-25 19:38:52,463 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 [2020-10-25 19:38:52,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-10-25 19:38:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2020-10-25 19:38:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-25 19:38:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2020-10-25 19:38:52,475 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2020-10-25 19:38:52,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:52,475 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2020-10-25 19:38:52,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2020-10-25 19:38:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-25 19:38:52,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:52,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:52,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:38:52,477 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:52,478 INFO L82 PathProgramCache]: Analyzing trace with hash -122958423, now seen corresponding path program 1 times [2020-10-25 19:38:52,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:52,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133829149] [2020-10-25 19:38:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:38:52,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133829149] [2020-10-25 19:38:52,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:52,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:52,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824124813] [2020-10-25 19:38:52,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:52,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:52,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:52,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:52,534 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand 3 states. [2020-10-25 19:38:52,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:52,779 INFO L93 Difference]: Finished difference Result 594 states and 995 transitions. [2020-10-25 19:38:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:52,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-10-25 19:38:52,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:52,783 INFO L225 Difference]: With dead ends: 594 [2020-10-25 19:38:52,783 INFO L226 Difference]: Without dead ends: 301 [2020-10-25 19:38:52,784 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 [2020-10-25 19:38:52,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-10-25 19:38:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2020-10-25 19:38:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-25 19:38:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2020-10-25 19:38:52,796 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2020-10-25 19:38:52,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:52,796 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2020-10-25 19:38:52,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2020-10-25 19:38:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-25 19:38:52,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:52,798 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:52,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 19:38:52,798 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:52,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:52,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1553184093, now seen corresponding path program 1 times [2020-10-25 19:38:52,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:52,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301395731] [2020-10-25 19:38:52,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-25 19:38:52,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301395731] [2020-10-25 19:38:52,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:52,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:52,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917725015] [2020-10-25 19:38:52,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:52,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:52,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:52,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:52,856 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand 3 states. [2020-10-25 19:38:53,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:53,057 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2020-10-25 19:38:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:53,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-10-25 19:38:53,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:53,060 INFO L225 Difference]: With dead ends: 595 [2020-10-25 19:38:53,062 INFO L226 Difference]: Without dead ends: 306 [2020-10-25 19:38:53,063 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 [2020-10-25 19:38:53,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-10-25 19:38:53,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-10-25 19:38:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-25 19:38:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2020-10-25 19:38:53,094 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2020-10-25 19:38:53,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:53,095 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2020-10-25 19:38:53,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2020-10-25 19:38:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-25 19:38:53,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:53,098 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:53,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:38:53,099 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:53,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:53,100 INFO L82 PathProgramCache]: Analyzing trace with hash -2083521026, now seen corresponding path program 1 times [2020-10-25 19:38:53,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:53,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162993692] [2020-10-25 19:38:53,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-25 19:38:53,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162993692] [2020-10-25 19:38:53,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:53,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:53,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377384320] [2020-10-25 19:38:53,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:53,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:53,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:53,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:53,179 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand 3 states. [2020-10-25 19:38:53,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:53,398 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2020-10-25 19:38:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:53,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-25 19:38:53,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:53,404 INFO L225 Difference]: With dead ends: 635 [2020-10-25 19:38:53,406 INFO L226 Difference]: Without dead ends: 337 [2020-10-25 19:38:53,408 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 [2020-10-25 19:38:53,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-10-25 19:38:53,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-10-25 19:38:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-10-25 19:38:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2020-10-25 19:38:53,429 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2020-10-25 19:38:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:53,430 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2020-10-25 19:38:53,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2020-10-25 19:38:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-25 19:38:53,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:53,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:53,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 19:38:53,436 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:53,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:53,437 INFO L82 PathProgramCache]: Analyzing trace with hash -102460539, now seen corresponding path program 1 times [2020-10-25 19:38:53,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:53,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34379047] [2020-10-25 19:38:53,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-25 19:38:53,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34379047] [2020-10-25 19:38:53,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:53,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:53,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407760539] [2020-10-25 19:38:53,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:53,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:53,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:53,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:53,538 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand 3 states. [2020-10-25 19:38:53,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:53,770 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2020-10-25 19:38:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:53,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-10-25 19:38:53,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:53,773 INFO L225 Difference]: With dead ends: 664 [2020-10-25 19:38:53,774 INFO L226 Difference]: Without dead ends: 337 [2020-10-25 19:38:53,774 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 [2020-10-25 19:38:53,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-10-25 19:38:53,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-10-25 19:38:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-10-25 19:38:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2020-10-25 19:38:53,791 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2020-10-25 19:38:53,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:53,793 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2020-10-25 19:38:53,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2020-10-25 19:38:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-25 19:38:53,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:53,797 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:53,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 19:38:53,798 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:53,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:53,798 INFO L82 PathProgramCache]: Analyzing trace with hash -651386898, now seen corresponding path program 1 times [2020-10-25 19:38:53,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:53,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369822702] [2020-10-25 19:38:53,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-25 19:38:53,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369822702] [2020-10-25 19:38:53,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:53,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:53,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952034426] [2020-10-25 19:38:53,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:53,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:53,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:53,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:53,865 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand 3 states. [2020-10-25 19:38:54,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:54,051 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2020-10-25 19:38:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:54,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-10-25 19:38:54,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:54,054 INFO L225 Difference]: With dead ends: 697 [2020-10-25 19:38:54,054 INFO L226 Difference]: Without dead ends: 370 [2020-10-25 19:38:54,055 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 [2020-10-25 19:38:54,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-10-25 19:38:54,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2020-10-25 19:38:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-10-25 19:38:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2020-10-25 19:38:54,077 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2020-10-25 19:38:54,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:54,077 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2020-10-25 19:38:54,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2020-10-25 19:38:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-25 19:38:54,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:54,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:54,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 19:38:54,080 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:54,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:54,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1258189035, now seen corresponding path program 1 times [2020-10-25 19:38:54,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:54,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698938272] [2020-10-25 19:38:54,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-25 19:38:54,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698938272] [2020-10-25 19:38:54,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:54,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:54,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351856105] [2020-10-25 19:38:54,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:54,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:54,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:54,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:54,138 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand 3 states. [2020-10-25 19:38:54,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:54,321 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2020-10-25 19:38:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:54,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-10-25 19:38:54,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:54,325 INFO L225 Difference]: With dead ends: 724 [2020-10-25 19:38:54,325 INFO L226 Difference]: Without dead ends: 370 [2020-10-25 19:38:54,326 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 [2020-10-25 19:38:54,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-10-25 19:38:54,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2020-10-25 19:38:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-10-25 19:38:54,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2020-10-25 19:38:54,359 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2020-10-25 19:38:54,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:54,359 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2020-10-25 19:38:54,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:54,360 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2020-10-25 19:38:54,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-25 19:38:54,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:54,361 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:54,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 19:38:54,362 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:54,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:54,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1027805126, now seen corresponding path program 1 times [2020-10-25 19:38:54,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:54,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824637309] [2020-10-25 19:38:54,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-25 19:38:54,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824637309] [2020-10-25 19:38:54,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:54,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:54,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793158877] [2020-10-25 19:38:54,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:54,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:54,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:54,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:54,426 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand 3 states. [2020-10-25 19:38:54,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:54,584 INFO L93 Difference]: Finished difference Result 742 states and 1195 transitions. [2020-10-25 19:38:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:54,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-25 19:38:54,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:54,587 INFO L225 Difference]: With dead ends: 742 [2020-10-25 19:38:54,587 INFO L226 Difference]: Without dead ends: 388 [2020-10-25 19:38:54,588 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 [2020-10-25 19:38:54,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-25 19:38:54,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2020-10-25 19:38:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-10-25 19:38:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2020-10-25 19:38:54,608 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2020-10-25 19:38:54,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:54,609 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2020-10-25 19:38:54,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2020-10-25 19:38:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-25 19:38:54,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:54,611 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:54,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 19:38:54,611 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:54,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:54,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1570072403, now seen corresponding path program 1 times [2020-10-25 19:38:54,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:54,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874434271] [2020-10-25 19:38:54,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-25 19:38:54,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874434271] [2020-10-25 19:38:54,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:54,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:54,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662921346] [2020-10-25 19:38:54,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:54,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:54,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:54,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:54,679 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand 3 states. [2020-10-25 19:38:54,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:54,874 INFO L93 Difference]: Finished difference Result 763 states and 1218 transitions. [2020-10-25 19:38:54,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:54,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-10-25 19:38:54,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:54,877 INFO L225 Difference]: With dead ends: 763 [2020-10-25 19:38:54,878 INFO L226 Difference]: Without dead ends: 388 [2020-10-25 19:38:54,879 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 [2020-10-25 19:38:54,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-25 19:38:54,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2020-10-25 19:38:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-10-25 19:38:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2020-10-25 19:38:54,897 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2020-10-25 19:38:54,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:54,898 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2020-10-25 19:38:54,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2020-10-25 19:38:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-25 19:38:54,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:54,900 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:54,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 19:38:54,901 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:54,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:54,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1383340250, now seen corresponding path program 1 times [2020-10-25 19:38:54,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:54,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76962945] [2020-10-25 19:38:54,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-25 19:38:54,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76962945] [2020-10-25 19:38:54,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:54,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:54,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52397304] [2020-10-25 19:38:54,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:54,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:54,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:54,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:54,971 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand 3 states. [2020-10-25 19:38:55,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:55,042 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2020-10-25 19:38:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:55,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-10-25 19:38:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:55,048 INFO L225 Difference]: With dead ends: 758 [2020-10-25 19:38:55,049 INFO L226 Difference]: Without dead ends: 756 [2020-10-25 19:38:55,050 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 [2020-10-25 19:38:55,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-10-25 19:38:55,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2020-10-25 19:38:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-10-25 19:38:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2020-10-25 19:38:55,089 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2020-10-25 19:38:55,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:55,089 INFO L481 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2020-10-25 19:38:55,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2020-10-25 19:38:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-25 19:38:55,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:55,093 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:55,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-25 19:38:55,094 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:55,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:55,095 INFO L82 PathProgramCache]: Analyzing trace with hash 56372730, now seen corresponding path program 1 times [2020-10-25 19:38:55,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:55,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098785251] [2020-10-25 19:38:55,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-25 19:38:55,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098785251] [2020-10-25 19:38:55,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:55,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:55,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907645648] [2020-10-25 19:38:55,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:55,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:55,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:55,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:55,144 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand 3 states. [2020-10-25 19:38:55,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:55,211 INFO L93 Difference]: Finished difference Result 1872 states and 2964 transitions. [2020-10-25 19:38:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:55,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-25 19:38:55,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:55,219 INFO L225 Difference]: With dead ends: 1872 [2020-10-25 19:38:55,219 INFO L226 Difference]: Without dead ends: 1124 [2020-10-25 19:38:55,221 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 [2020-10-25 19:38:55,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2020-10-25 19:38:55,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1124. [2020-10-25 19:38:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-10-25 19:38:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1777 transitions. [2020-10-25 19:38:55,268 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1777 transitions. Word has length 122 [2020-10-25 19:38:55,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:55,269 INFO L481 AbstractCegarLoop]: Abstraction has 1124 states and 1777 transitions. [2020-10-25 19:38:55,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1777 transitions. [2020-10-25 19:38:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-25 19:38:55,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:55,273 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:55,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-25 19:38:55,273 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:55,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:55,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1445666744, now seen corresponding path program 1 times [2020-10-25 19:38:55,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:55,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625485352] [2020-10-25 19:38:55,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-25 19:38:55,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625485352] [2020-10-25 19:38:55,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:55,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:55,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129786357] [2020-10-25 19:38:55,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:55,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:55,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:55,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:55,321 INFO L87 Difference]: Start difference. First operand 1124 states and 1777 transitions. Second operand 3 states. [2020-10-25 19:38:55,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:55,399 INFO L93 Difference]: Finished difference Result 2591 states and 4097 transitions. [2020-10-25 19:38:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:55,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-25 19:38:55,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:55,408 INFO L225 Difference]: With dead ends: 2591 [2020-10-25 19:38:55,409 INFO L226 Difference]: Without dead ends: 1475 [2020-10-25 19:38:55,411 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 [2020-10-25 19:38:55,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2020-10-25 19:38:55,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2020-10-25 19:38:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2020-10-25 19:38:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2328 transitions. [2020-10-25 19:38:55,474 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2328 transitions. Word has length 122 [2020-10-25 19:38:55,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:55,474 INFO L481 AbstractCegarLoop]: Abstraction has 1475 states and 2328 transitions. [2020-10-25 19:38:55,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2328 transitions. [2020-10-25 19:38:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-25 19:38:55,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:55,479 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 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] [2020-10-25 19:38:55,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-25 19:38:55,480 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:55,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:55,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1566103125, now seen corresponding path program 1 times [2020-10-25 19:38:55,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:55,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562854138] [2020-10-25 19:38:55,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-25 19:38:55,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562854138] [2020-10-25 19:38:55,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:55,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:55,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839555523] [2020-10-25 19:38:55,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:55,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:55,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:55,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:55,544 INFO L87 Difference]: Start difference. First operand 1475 states and 2328 transitions. Second operand 3 states. [2020-10-25 19:38:55,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:55,787 INFO L93 Difference]: Finished difference Result 2982 states and 4692 transitions. [2020-10-25 19:38:55,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:55,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-25 19:38:55,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:55,796 INFO L225 Difference]: With dead ends: 2982 [2020-10-25 19:38:55,796 INFO L226 Difference]: Without dead ends: 1515 [2020-10-25 19:38:55,801 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 [2020-10-25 19:38:55,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-10-25 19:38:55,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1475. [2020-10-25 19:38:55,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2020-10-25 19:38:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2184 transitions. [2020-10-25 19:38:55,864 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2184 transitions. Word has length 159 [2020-10-25 19:38:55,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:55,865 INFO L481 AbstractCegarLoop]: Abstraction has 1475 states and 2184 transitions. [2020-10-25 19:38:55,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2184 transitions. [2020-10-25 19:38:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-25 19:38:55,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:55,870 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:55,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-25 19:38:55,870 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:55,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:55,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1636228969, now seen corresponding path program 1 times [2020-10-25 19:38:55,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:55,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530746301] [2020-10-25 19:38:55,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-25 19:38:55,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530746301] [2020-10-25 19:38:55,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:55,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:55,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520473852] [2020-10-25 19:38:55,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:55,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:55,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:55,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:55,964 INFO L87 Difference]: Start difference. First operand 1475 states and 2184 transitions. Second operand 3 states. [2020-10-25 19:38:56,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:56,219 INFO L93 Difference]: Finished difference Result 3138 states and 4656 transitions. [2020-10-25 19:38:56,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:56,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-25 19:38:56,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:56,229 INFO L225 Difference]: With dead ends: 3138 [2020-10-25 19:38:56,230 INFO L226 Difference]: Without dead ends: 1671 [2020-10-25 19:38:56,232 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 [2020-10-25 19:38:56,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-10-25 19:38:56,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1555. [2020-10-25 19:38:56,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1555 states. [2020-10-25 19:38:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2244 transitions. [2020-10-25 19:38:56,309 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2244 transitions. Word has length 159 [2020-10-25 19:38:56,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:56,310 INFO L481 AbstractCegarLoop]: Abstraction has 1555 states and 2244 transitions. [2020-10-25 19:38:56,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2244 transitions. [2020-10-25 19:38:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-25 19:38:56,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:56,316 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 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] [2020-10-25 19:38:56,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-25 19:38:56,316 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:56,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:56,317 INFO L82 PathProgramCache]: Analyzing trace with hash 442177989, now seen corresponding path program 1 times [2020-10-25 19:38:56,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:56,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751092697] [2020-10-25 19:38:56,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-25 19:38:56,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751092697] [2020-10-25 19:38:56,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:56,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:56,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390960426] [2020-10-25 19:38:56,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:56,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:56,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:56,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:56,376 INFO L87 Difference]: Start difference. First operand 1555 states and 2244 transitions. Second operand 3 states. [2020-10-25 19:38:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:56,634 INFO L93 Difference]: Finished difference Result 3158 states and 4542 transitions. [2020-10-25 19:38:56,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:56,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-10-25 19:38:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:56,643 INFO L225 Difference]: With dead ends: 3158 [2020-10-25 19:38:56,643 INFO L226 Difference]: Without dead ends: 1611 [2020-10-25 19:38:56,645 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 [2020-10-25 19:38:56,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2020-10-25 19:38:56,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1555. [2020-10-25 19:38:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1555 states. [2020-10-25 19:38:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2182 transitions. [2020-10-25 19:38:56,709 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2182 transitions. Word has length 173 [2020-10-25 19:38:56,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:56,709 INFO L481 AbstractCegarLoop]: Abstraction has 1555 states and 2182 transitions. [2020-10-25 19:38:56,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:56,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2182 transitions. [2020-10-25 19:38:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-25 19:38:56,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:56,717 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:56,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-25 19:38:56,718 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:56,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:56,719 INFO L82 PathProgramCache]: Analyzing trace with hash 893492071, now seen corresponding path program 1 times [2020-10-25 19:38:56,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:56,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004585968] [2020-10-25 19:38:56,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-25 19:38:56,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004585968] [2020-10-25 19:38:56,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:56,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:56,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124551607] [2020-10-25 19:38:56,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:56,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:56,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:56,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:56,782 INFO L87 Difference]: Start difference. First operand 1555 states and 2182 transitions. Second operand 3 states. [2020-10-25 19:38:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:56,972 INFO L93 Difference]: Finished difference Result 3187 states and 4459 transitions. [2020-10-25 19:38:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:56,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-25 19:38:56,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:56,982 INFO L225 Difference]: With dead ends: 3187 [2020-10-25 19:38:56,983 INFO L226 Difference]: Without dead ends: 1640 [2020-10-25 19:38:56,986 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 [2020-10-25 19:38:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-10-25 19:38:57,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1624. [2020-10-25 19:38:57,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1624 states. [2020-10-25 19:38:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2266 transitions. [2020-10-25 19:38:57,044 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2266 transitions. Word has length 189 [2020-10-25 19:38:57,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:57,045 INFO L481 AbstractCegarLoop]: Abstraction has 1624 states and 2266 transitions. [2020-10-25 19:38:57,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2266 transitions. [2020-10-25 19:38:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-25 19:38:57,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:57,051 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:57,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-25 19:38:57,051 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:57,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:57,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1767840956, now seen corresponding path program 1 times [2020-10-25 19:38:57,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:57,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326393188] [2020-10-25 19:38:57,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-10-25 19:38:57,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326393188] [2020-10-25 19:38:57,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:57,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:57,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171689261] [2020-10-25 19:38:57,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:57,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:57,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:57,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:57,133 INFO L87 Difference]: Start difference. First operand 1624 states and 2266 transitions. Second operand 3 states. [2020-10-25 19:38:57,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:57,318 INFO L93 Difference]: Finished difference Result 3392 states and 4736 transitions. [2020-10-25 19:38:57,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:57,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-10-25 19:38:57,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:57,328 INFO L225 Difference]: With dead ends: 3392 [2020-10-25 19:38:57,328 INFO L226 Difference]: Without dead ends: 1776 [2020-10-25 19:38:57,331 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 [2020-10-25 19:38:57,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2020-10-25 19:38:57,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1724. [2020-10-25 19:38:57,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1724 states. [2020-10-25 19:38:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2386 transitions. [2020-10-25 19:38:57,391 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2386 transitions. Word has length 210 [2020-10-25 19:38:57,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:57,391 INFO L481 AbstractCegarLoop]: Abstraction has 1724 states and 2386 transitions. [2020-10-25 19:38:57,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2386 transitions. [2020-10-25 19:38:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-25 19:38:57,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:57,398 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:57,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-25 19:38:57,398 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:57,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:57,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1550608766, now seen corresponding path program 1 times [2020-10-25 19:38:57,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:57,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854373798] [2020-10-25 19:38:57,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-25 19:38:57,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854373798] [2020-10-25 19:38:57,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:57,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:57,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308921398] [2020-10-25 19:38:57,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:57,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:57,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:57,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:57,490 INFO L87 Difference]: Start difference. First operand 1724 states and 2386 transitions. Second operand 3 states. [2020-10-25 19:38:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:57,733 INFO L93 Difference]: Finished difference Result 3494 states and 4822 transitions. [2020-10-25 19:38:57,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:57,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-10-25 19:38:57,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:57,742 INFO L225 Difference]: With dead ends: 3494 [2020-10-25 19:38:57,743 INFO L226 Difference]: Without dead ends: 1778 [2020-10-25 19:38:57,746 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 [2020-10-25 19:38:57,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2020-10-25 19:38:57,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1724. [2020-10-25 19:38:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1724 states. [2020-10-25 19:38:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2378 transitions. [2020-10-25 19:38:57,814 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2378 transitions. Word has length 213 [2020-10-25 19:38:57,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:57,814 INFO L481 AbstractCegarLoop]: Abstraction has 1724 states and 2378 transitions. [2020-10-25 19:38:57,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:57,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2378 transitions. [2020-10-25 19:38:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-25 19:38:57,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:57,820 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:57,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-25 19:38:57,821 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:57,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:57,822 INFO L82 PathProgramCache]: Analyzing trace with hash -615950364, now seen corresponding path program 1 times [2020-10-25 19:38:57,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:57,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675028228] [2020-10-25 19:38:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2020-10-25 19:38:57,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675028228] [2020-10-25 19:38:57,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:57,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:57,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725812669] [2020-10-25 19:38:57,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:57,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:57,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:57,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:57,942 INFO L87 Difference]: Start difference. First operand 1724 states and 2378 transitions. Second operand 3 states. [2020-10-25 19:38:58,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:58,147 INFO L93 Difference]: Finished difference Result 3636 states and 5036 transitions. [2020-10-25 19:38:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:58,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-25 19:38:58,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:58,156 INFO L225 Difference]: With dead ends: 3636 [2020-10-25 19:38:58,157 INFO L226 Difference]: Without dead ends: 1820 [2020-10-25 19:38:58,161 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 [2020-10-25 19:38:58,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-10-25 19:38:58,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1780. [2020-10-25 19:38:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-10-25 19:38:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2422 transitions. [2020-10-25 19:38:58,230 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2422 transitions. Word has length 234 [2020-10-25 19:38:58,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:58,230 INFO L481 AbstractCegarLoop]: Abstraction has 1780 states and 2422 transitions. [2020-10-25 19:38:58,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2422 transitions. [2020-10-25 19:38:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-25 19:38:58,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:58,236 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 3, 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] [2020-10-25 19:38:58,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-25 19:38:58,237 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:58,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1751905145, now seen corresponding path program 1 times [2020-10-25 19:38:58,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:58,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700078827] [2020-10-25 19:38:58,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2020-10-25 19:38:58,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700078827] [2020-10-25 19:38:58,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:58,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:58,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847273247] [2020-10-25 19:38:58,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:58,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:58,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:58,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:58,334 INFO L87 Difference]: Start difference. First operand 1780 states and 2422 transitions. Second operand 3 states. [2020-10-25 19:38:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:58,530 INFO L93 Difference]: Finished difference Result 3584 states and 4884 transitions. [2020-10-25 19:38:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:58,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2020-10-25 19:38:58,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:58,539 INFO L225 Difference]: With dead ends: 3584 [2020-10-25 19:38:58,540 INFO L226 Difference]: Without dead ends: 1812 [2020-10-25 19:38:58,543 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 [2020-10-25 19:38:58,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2020-10-25 19:38:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1780. [2020-10-25 19:38:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-10-25 19:38:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2402 transitions. [2020-10-25 19:38:58,613 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2402 transitions. Word has length 236 [2020-10-25 19:38:58,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:58,613 INFO L481 AbstractCegarLoop]: Abstraction has 1780 states and 2402 transitions. [2020-10-25 19:38:58,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2402 transitions. [2020-10-25 19:38:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-25 19:38:58,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:58,619 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2020-10-25 19:38:58,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-25 19:38:58,620 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:58,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:58,620 INFO L82 PathProgramCache]: Analyzing trace with hash 264243297, now seen corresponding path program 1 times [2020-10-25 19:38:58,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:58,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800408536] [2020-10-25 19:38:58,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-10-25 19:38:58,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800408536] [2020-10-25 19:38:58,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313385539] [2020-10-25 19:38:58,749 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 [2020-10-25 19:38:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:58,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:38:58,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:38:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-25 19:38:59,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:38:59,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 19:38:59,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036294580] [2020-10-25 19:38:59,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:59,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:59,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:59,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:38:59,182 INFO L87 Difference]: Start difference. First operand 1780 states and 2402 transitions. Second operand 3 states. [2020-10-25 19:38:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:59,349 INFO L93 Difference]: Finished difference Result 3574 states and 4830 transitions. [2020-10-25 19:38:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:59,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-10-25 19:38:59,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:59,362 INFO L225 Difference]: With dead ends: 3574 [2020-10-25 19:38:59,362 INFO L226 Difference]: Without dead ends: 2235 [2020-10-25 19:38:59,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:38:59,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2020-10-25 19:38:59,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2235. [2020-10-25 19:38:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-10-25 19:38:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 3017 transitions. [2020-10-25 19:38:59,488 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 3017 transitions. Word has length 246 [2020-10-25 19:38:59,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:59,488 INFO L481 AbstractCegarLoop]: Abstraction has 2235 states and 3017 transitions. [2020-10-25 19:38:59,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 3017 transitions. [2020-10-25 19:38:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-25 19:38:59,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:59,496 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:59,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-10-25 19:38:59,710 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:59,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:59,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1153610059, now seen corresponding path program 1 times [2020-10-25 19:38:59,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:59,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677180805] [2020-10-25 19:38:59,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-25 19:38:59,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677180805] [2020-10-25 19:38:59,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459118928] [2020-10-25 19:38:59,822 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 [2020-10-25 19:38:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:59,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:38:59,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:39:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-25 19:39:00,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 19:39:00,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-25 19:39:00,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180811046] [2020-10-25 19:39:00,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:39:00,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:00,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:39:00,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:39:00,086 INFO L87 Difference]: Start difference. First operand 2235 states and 3017 transitions. Second operand 4 states. [2020-10-25 19:39:00,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:00,626 INFO L93 Difference]: Finished difference Result 7149 states and 9661 transitions. [2020-10-25 19:39:00,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 19:39:00,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 253 [2020-10-25 19:39:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:00,654 INFO L225 Difference]: With dead ends: 7149 [2020-10-25 19:39:00,654 INFO L226 Difference]: Without dead ends: 4922 [2020-10-25 19:39:00,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:00,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4922 states. [2020-10-25 19:39:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4922 to 2780. [2020-10-25 19:39:00,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2780 states. [2020-10-25 19:39:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 3667 transitions. [2020-10-25 19:39:00,772 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 3667 transitions. Word has length 253 [2020-10-25 19:39:00,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:00,773 INFO L481 AbstractCegarLoop]: Abstraction has 2780 states and 3667 transitions. [2020-10-25 19:39:00,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:39:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3667 transitions. [2020-10-25 19:39:00,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-25 19:39:00,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:00,781 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:00,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2020-10-25 19:39:00,995 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:00,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:00,996 INFO L82 PathProgramCache]: Analyzing trace with hash -864790669, now seen corresponding path program 1 times [2020-10-25 19:39:00,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:00,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604445522] [2020-10-25 19:39:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-10-25 19:39:01,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604445522] [2020-10-25 19:39:01,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:39:01,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:39:01,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913322539] [2020-10-25 19:39:01,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:01,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:01,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:01,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:39:01,105 INFO L87 Difference]: Start difference. First operand 2780 states and 3667 transitions. Second operand 3 states. [2020-10-25 19:39:01,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:01,279 INFO L93 Difference]: Finished difference Result 7809 states and 10357 transitions. [2020-10-25 19:39:01,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:01,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2020-10-25 19:39:01,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:01,293 INFO L225 Difference]: With dead ends: 7809 [2020-10-25 19:39:01,293 INFO L226 Difference]: Without dead ends: 5037 [2020-10-25 19:39:01,299 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 [2020-10-25 19:39:01,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5037 states. [2020-10-25 19:39:01,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5037 to 5035. [2020-10-25 19:39:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-10-25 19:39:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6687 transitions. [2020-10-25 19:39:01,537 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6687 transitions. Word has length 253 [2020-10-25 19:39:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:01,537 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 6687 transitions. [2020-10-25 19:39:01,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6687 transitions. [2020-10-25 19:39:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-25 19:39:01,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:01,551 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:01,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-25 19:39:01,551 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:01,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:01,552 INFO L82 PathProgramCache]: Analyzing trace with hash 52349753, now seen corresponding path program 1 times [2020-10-25 19:39:01,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:01,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211978492] [2020-10-25 19:39:01,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-25 19:39:01,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211978492] [2020-10-25 19:39:01,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:39:01,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:39:01,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569802218] [2020-10-25 19:39:01,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:01,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:01,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:01,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:39:01,700 INFO L87 Difference]: Start difference. First operand 5035 states and 6687 transitions. Second operand 3 states. [2020-10-25 19:39:02,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:02,058 INFO L93 Difference]: Finished difference Result 10162 states and 13482 transitions. [2020-10-25 19:39:02,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:02,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-10-25 19:39:02,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:02,070 INFO L225 Difference]: With dead ends: 10162 [2020-10-25 19:39:02,071 INFO L226 Difference]: Without dead ends: 5135 [2020-10-25 19:39:02,077 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 [2020-10-25 19:39:02,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5135 states. [2020-10-25 19:39:02,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5135 to 5035. [2020-10-25 19:39:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-10-25 19:39:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6601 transitions. [2020-10-25 19:39:02,238 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6601 transitions. Word has length 256 [2020-10-25 19:39:02,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:02,239 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 6601 transitions. [2020-10-25 19:39:02,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6601 transitions. [2020-10-25 19:39:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-25 19:39:02,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:02,250 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:02,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-25 19:39:02,250 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:02,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:02,251 INFO L82 PathProgramCache]: Analyzing trace with hash 212492165, now seen corresponding path program 1 times [2020-10-25 19:39:02,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:02,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501000366] [2020-10-25 19:39:02,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-25 19:39:02,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501000366] [2020-10-25 19:39:02,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91348174] [2020-10-25 19:39:02,357 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 [2020-10-25 19:39:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:02,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:39:02,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:39:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-10-25 19:39:02,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:39:02,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 19:39:02,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665993316] [2020-10-25 19:39:02,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:02,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:02,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:02,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:02,578 INFO L87 Difference]: Start difference. First operand 5035 states and 6601 transitions. Second operand 3 states. [2020-10-25 19:39:02,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:02,908 INFO L93 Difference]: Finished difference Result 9422 states and 12426 transitions. [2020-10-25 19:39:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:02,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 282 [2020-10-25 19:39:02,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:02,921 INFO L225 Difference]: With dead ends: 9422 [2020-10-25 19:39:02,922 INFO L226 Difference]: Without dead ends: 5375 [2020-10-25 19:39:02,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:02,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2020-10-25 19:39:03,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5055. [2020-10-25 19:39:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5055 states. [2020-10-25 19:39:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6607 transitions. [2020-10-25 19:39:03,142 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6607 transitions. Word has length 282 [2020-10-25 19:39:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:03,142 INFO L481 AbstractCegarLoop]: Abstraction has 5055 states and 6607 transitions. [2020-10-25 19:39:03,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6607 transitions. [2020-10-25 19:39:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-10-25 19:39:03,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:03,153 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:03,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:39:03,366 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:03,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:03,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1760130215, now seen corresponding path program 1 times [2020-10-25 19:39:03,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:03,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187592341] [2020-10-25 19:39:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-25 19:39:03,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187592341] [2020-10-25 19:39:03,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769557111] [2020-10-25 19:39:03,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:39:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:03,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:39:03,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:39:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2020-10-25 19:39:03,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:39:03,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 19:39:03,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45407981] [2020-10-25 19:39:03,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:03,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:03,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:03,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:03,718 INFO L87 Difference]: Start difference. First operand 5055 states and 6607 transitions. Second operand 3 states. [2020-10-25 19:39:03,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:03,998 INFO L93 Difference]: Finished difference Result 10102 states and 13202 transitions. [2020-10-25 19:39:03,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:03,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2020-10-25 19:39:03,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:04,011 INFO L225 Difference]: With dead ends: 10102 [2020-10-25 19:39:04,011 INFO L226 Difference]: Without dead ends: 5055 [2020-10-25 19:39:04,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:04,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2020-10-25 19:39:04,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 5055. [2020-10-25 19:39:04,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5055 states. [2020-10-25 19:39:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6597 transitions. [2020-10-25 19:39:04,228 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6597 transitions. Word has length 283 [2020-10-25 19:39:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:04,228 INFO L481 AbstractCegarLoop]: Abstraction has 5055 states and 6597 transitions. [2020-10-25 19:39:04,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6597 transitions. [2020-10-25 19:39:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-10-25 19:39:04,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:04,239 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:04,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:39:04,453 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:04,454 INFO L82 PathProgramCache]: Analyzing trace with hash 228335597, now seen corresponding path program 1 times [2020-10-25 19:39:04,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:04,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918043200] [2020-10-25 19:39:04,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-25 19:39:04,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918043200] [2020-10-25 19:39:04,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895613786] [2020-10-25 19:39:04,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:39:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:04,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:39:04,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:39:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-25 19:39:04,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 19:39:04,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-25 19:39:04,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464434002] [2020-10-25 19:39:04,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:39:04,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:04,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:39:04,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:39:04,820 INFO L87 Difference]: Start difference. First operand 5055 states and 6597 transitions. Second operand 4 states. [2020-10-25 19:39:05,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:05,335 INFO L93 Difference]: Finished difference Result 11826 states and 15346 transitions. [2020-10-25 19:39:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 19:39:05,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 283 [2020-10-25 19:39:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:05,349 INFO L225 Difference]: With dead ends: 11826 [2020-10-25 19:39:05,350 INFO L226 Difference]: Without dead ends: 6713 [2020-10-25 19:39:05,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:05,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6713 states. [2020-10-25 19:39:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 4419. [2020-10-25 19:39:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4419 states. [2020-10-25 19:39:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 5676 transitions. [2020-10-25 19:39:05,532 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 5676 transitions. Word has length 283 [2020-10-25 19:39:05,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:05,532 INFO L481 AbstractCegarLoop]: Abstraction has 4419 states and 5676 transitions. [2020-10-25 19:39:05,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:39:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 5676 transitions. [2020-10-25 19:39:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-25 19:39:05,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:05,541 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:05,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2020-10-25 19:39:05,757 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:05,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:05,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1511923228, now seen corresponding path program 1 times [2020-10-25 19:39:05,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:05,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940706024] [2020-10-25 19:39:05,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-10-25 19:39:05,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940706024] [2020-10-25 19:39:05,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:39:05,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:39:05,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600038460] [2020-10-25 19:39:05,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:05,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:05,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:05,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:39:05,879 INFO L87 Difference]: Start difference. First operand 4419 states and 5676 transitions. Second operand 3 states. [2020-10-25 19:39:06,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:06,074 INFO L93 Difference]: Finished difference Result 7455 states and 9474 transitions. [2020-10-25 19:39:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:06,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2020-10-25 19:39:06,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:06,080 INFO L225 Difference]: With dead ends: 7455 [2020-10-25 19:39:06,080 INFO L226 Difference]: Without dead ends: 2236 [2020-10-25 19:39:06,086 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 [2020-10-25 19:39:06,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2020-10-25 19:39:06,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2236. [2020-10-25 19:39:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2020-10-25 19:39:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2826 transitions. [2020-10-25 19:39:06,191 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2826 transitions. Word has length 321 [2020-10-25 19:39:06,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:06,191 INFO L481 AbstractCegarLoop]: Abstraction has 2236 states and 2826 transitions. [2020-10-25 19:39:06,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2826 transitions. [2020-10-25 19:39:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-25 19:39:06,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:06,197 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:06,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-25 19:39:06,198 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:06,199 INFO L82 PathProgramCache]: Analyzing trace with hash 761483812, now seen corresponding path program 1 times [2020-10-25 19:39:06,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:06,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772628885] [2020-10-25 19:39:06,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2020-10-25 19:39:06,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772628885] [2020-10-25 19:39:06,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:39:06,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:39:06,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545599887] [2020-10-25 19:39:06,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:06,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:06,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:06,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:39:06,362 INFO L87 Difference]: Start difference. First operand 2236 states and 2826 transitions. Second operand 3 states. [2020-10-25 19:39:06,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:06,552 INFO L93 Difference]: Finished difference Result 4474 states and 5650 transitions. [2020-10-25 19:39:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:06,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2020-10-25 19:39:06,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:06,557 INFO L225 Difference]: With dead ends: 4474 [2020-10-25 19:39:06,558 INFO L226 Difference]: Without dead ends: 2246 [2020-10-25 19:39:06,561 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 [2020-10-25 19:39:06,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2020-10-25 19:39:06,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2236. [2020-10-25 19:39:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2020-10-25 19:39:06,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2801 transitions. [2020-10-25 19:39:06,634 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2801 transitions. Word has length 360 [2020-10-25 19:39:06,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:06,634 INFO L481 AbstractCegarLoop]: Abstraction has 2236 states and 2801 transitions. [2020-10-25 19:39:06,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2801 transitions. [2020-10-25 19:39:06,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-25 19:39:06,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:06,640 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 19:39:06,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-25 19:39:06,641 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:06,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:06,642 INFO L82 PathProgramCache]: Analyzing trace with hash 35349519, now seen corresponding path program 1 times [2020-10-25 19:39:06,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:06,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539246414] [2020-10-25 19:39:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-10-25 19:39:06,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539246414] [2020-10-25 19:39:06,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605121357] [2020-10-25 19:39:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:39:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:06,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:39:06,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:39:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2020-10-25 19:39:07,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:39:07,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 19:39:07,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18024215] [2020-10-25 19:39:07,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:07,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:07,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:07,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:07,151 INFO L87 Difference]: Start difference. First operand 2236 states and 2801 transitions. Second operand 3 states. [2020-10-25 19:39:07,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:07,224 INFO L93 Difference]: Finished difference Result 2855 states and 3603 transitions. [2020-10-25 19:39:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:07,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2020-10-25 19:39:07,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:07,229 INFO L225 Difference]: With dead ends: 2855 [2020-10-25 19:39:07,229 INFO L226 Difference]: Without dead ends: 2763 [2020-10-25 19:39:07,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:07,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2020-10-25 19:39:07,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2146. [2020-10-25 19:39:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2146 states. [2020-10-25 19:39:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2700 transitions. [2020-10-25 19:39:07,306 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2700 transitions. Word has length 393 [2020-10-25 19:39:07,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:07,307 INFO L481 AbstractCegarLoop]: Abstraction has 2146 states and 2700 transitions. [2020-10-25 19:39:07,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2700 transitions. [2020-10-25 19:39:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-10-25 19:39:07,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:07,315 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:07,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:39:07,528 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:07,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:07,530 INFO L82 PathProgramCache]: Analyzing trace with hash 431667755, now seen corresponding path program 1 times [2020-10-25 19:39:07,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:07,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183795751] [2020-10-25 19:39:07,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2020-10-25 19:39:07,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183795751] [2020-10-25 19:39:07,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320892840] [2020-10-25 19:39:07,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:39:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:08,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:39:08,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:39:08,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2020-10-25 19:39:08,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 19:39:08,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-25 19:39:08,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613711140] [2020-10-25 19:39:08,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:39:08,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:08,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:39:08,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:39:08,306 INFO L87 Difference]: Start difference. First operand 2146 states and 2700 transitions. Second operand 4 states. [2020-10-25 19:39:08,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:08,711 INFO L93 Difference]: Finished difference Result 5212 states and 6569 transitions. [2020-10-25 19:39:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 19:39:08,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 533 [2020-10-25 19:39:08,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:08,715 INFO L225 Difference]: With dead ends: 5212 [2020-10-25 19:39:08,716 INFO L226 Difference]: Without dead ends: 3032 [2020-10-25 19:39:08,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:08,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2020-10-25 19:39:08,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2206. [2020-10-25 19:39:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2020-10-25 19:39:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2780 transitions. [2020-10-25 19:39:08,800 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2780 transitions. Word has length 533 [2020-10-25 19:39:08,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:08,800 INFO L481 AbstractCegarLoop]: Abstraction has 2206 states and 2780 transitions. [2020-10-25 19:39:08,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:39:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2780 transitions. [2020-10-25 19:39:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-10-25 19:39:08,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:08,808 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 11, 11, 8, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:09,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2020-10-25 19:39:09,022 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:09,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:09,023 INFO L82 PathProgramCache]: Analyzing trace with hash 316649701, now seen corresponding path program 1 times [2020-10-25 19:39:09,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:09,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287008730] [2020-10-25 19:39:09,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 2066 proven. 0 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2020-10-25 19:39:09,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287008730] [2020-10-25 19:39:09,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:39:09,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:39:09,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970212277] [2020-10-25 19:39:09,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:09,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:09,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:09,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:39:09,336 INFO L87 Difference]: Start difference. First operand 2206 states and 2780 transitions. Second operand 3 states. [2020-10-25 19:39:09,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:09,559 INFO L93 Difference]: Finished difference Result 4584 states and 5788 transitions. [2020-10-25 19:39:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:09,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 595 [2020-10-25 19:39:09,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:09,563 INFO L225 Difference]: With dead ends: 4584 [2020-10-25 19:39:09,563 INFO L226 Difference]: Without dead ends: 2386 [2020-10-25 19:39:09,566 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 [2020-10-25 19:39:09,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2020-10-25 19:39:09,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2376. [2020-10-25 19:39:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2376 states. [2020-10-25 19:39:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 2975 transitions. [2020-10-25 19:39:09,650 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 2975 transitions. Word has length 595 [2020-10-25 19:39:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:09,650 INFO L481 AbstractCegarLoop]: Abstraction has 2376 states and 2975 transitions. [2020-10-25 19:39:09,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2975 transitions. [2020-10-25 19:39:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2020-10-25 19:39:09,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:09,659 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:09,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-25 19:39:09,659 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:09,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:09,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1796704043, now seen corresponding path program 1 times [2020-10-25 19:39:09,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:09,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369581170] [2020-10-25 19:39:09,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4945 backedges. 2605 proven. 0 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2020-10-25 19:39:10,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369581170] [2020-10-25 19:39:10,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:39:10,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:39:10,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134120115] [2020-10-25 19:39:10,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:39:10,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:10,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:39:10,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:39:10,068 INFO L87 Difference]: Start difference. First operand 2376 states and 2975 transitions. Second operand 3 states. [2020-10-25 19:39:10,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:10,269 INFO L93 Difference]: Finished difference Result 4739 states and 5928 transitions. [2020-10-25 19:39:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:39:10,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 657 [2020-10-25 19:39:10,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:10,275 INFO L225 Difference]: With dead ends: 4739 [2020-10-25 19:39:10,275 INFO L226 Difference]: Without dead ends: 2371 [2020-10-25 19:39:10,278 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 [2020-10-25 19:39:10,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2020-10-25 19:39:10,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2371. [2020-10-25 19:39:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2371 states. [2020-10-25 19:39:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 2920 transitions. [2020-10-25 19:39:10,358 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 2920 transitions. Word has length 657 [2020-10-25 19:39:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:10,358 INFO L481 AbstractCegarLoop]: Abstraction has 2371 states and 2920 transitions. [2020-10-25 19:39:10,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:39:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2920 transitions. [2020-10-25 19:39:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-10-25 19:39:10,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:39:10,369 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:39:10,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-25 19:39:10,369 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:39:10,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:39:10,370 INFO L82 PathProgramCache]: Analyzing trace with hash -372840571, now seen corresponding path program 1 times [2020-10-25 19:39:10,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:39:10,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626019561] [2020-10-25 19:39:10,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:39:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2020-10-25 19:39:10,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626019561] [2020-10-25 19:39:10,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904226729] [2020-10-25 19:39:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:39:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:39:11,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:39:11,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:39:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2020-10-25 19:39:11,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 19:39:11,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-25 19:39:11,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190283538] [2020-10-25 19:39:11,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:39:11,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:39:11,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:39:11,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:39:11,362 INFO L87 Difference]: Start difference. First operand 2371 states and 2920 transitions. Second operand 4 states. [2020-10-25 19:39:11,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:39:11,604 INFO L93 Difference]: Finished difference Result 4081 states and 5070 transitions. [2020-10-25 19:39:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:39:11,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 723 [2020-10-25 19:39:11,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:39:11,605 INFO L225 Difference]: With dead ends: 4081 [2020-10-25 19:39:11,605 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:39:11,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:39:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:39:11,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:39:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:39:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:39:11,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 723 [2020-10-25 19:39:11,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:39:11,609 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:39:11,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:39:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:39:11,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:39:11,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-10-25 19:39:11,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:39:11,964 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2020-10-25 19:39:13,648 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 437 DAG size of output: 270 [2020-10-25 19:39:13,874 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 109 [2020-10-25 19:39:15,094 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 437 DAG size of output: 270 [2020-10-25 19:39:15,949 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2020-10-25 19:39:16,223 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2020-10-25 19:39:16,706 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2020-10-25 19:39:17,184 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 32 [2020-10-25 19:39:21,836 WARN L193 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 220 DAG size of output: 111 [2020-10-25 19:39:22,404 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2020-10-25 19:39:23,090 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 48 [2020-10-25 19:39:23,622 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 24 [2020-10-25 19:39:23,967 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 26 [2020-10-25 19:39:24,419 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 39 [2020-10-25 19:39:28,990 WARN L193 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 220 DAG size of output: 111 [2020-10-25 19:39:29,497 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 34 [2020-10-25 19:39:29,881 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 26 [2020-10-25 19:39:30,431 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 49 [2020-10-25 19:39:30,782 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 29 [2020-10-25 19:39:30,993 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-10-25 19:39:31,320 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 26 [2020-10-25 19:39:31,625 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2020-10-25 19:39:31,965 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 26 [2020-10-25 19:39:32,410 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2020-10-25 19:39:32,756 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-10-25 19:39:32,760 INFO L274 CegarLoopResult]: For program point L531(lines 531 537) no Hoare annotation was computed. [2020-10-25 19:39:32,761 INFO L274 CegarLoopResult]: For program point L498(lines 498 500) no Hoare annotation was computed. [2020-10-25 19:39:32,761 INFO L274 CegarLoopResult]: For program point L531-1(lines 531 537) no Hoare annotation was computed. [2020-10-25 19:39:32,761 INFO L274 CegarLoopResult]: For program point L498-2(lines 209 543) no Hoare annotation was computed. [2020-10-25 19:39:32,761 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 19:39:32,761 INFO L274 CegarLoopResult]: For program point L202(lines 202 547) no Hoare annotation was computed. [2020-10-25 19:39:32,761 INFO L274 CegarLoopResult]: For program point L169(lines 169 558) no Hoare annotation was computed. [2020-10-25 19:39:32,762 INFO L274 CegarLoopResult]: For program point L136(lines 136 569) no Hoare annotation was computed. [2020-10-25 19:39:32,762 INFO L274 CegarLoopResult]: For program point L103(lines 103 580) no Hoare annotation was computed. [2020-10-25 19:39:32,762 INFO L274 CegarLoopResult]: For program point L434(lines 434 437) no Hoare annotation was computed. [2020-10-25 19:39:32,762 INFO L274 CegarLoopResult]: For program point L335(lines 335 373) no Hoare annotation was computed. [2020-10-25 19:39:32,762 INFO L270 CegarLoopResult]: At program point L203(lines 199 548) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-10-25 19:39:32,763 INFO L270 CegarLoopResult]: At program point L104(lines 103 580) the Hoare annotation is: false [2020-10-25 19:39:32,763 INFO L277 CegarLoopResult]: At program point L600(lines 99 601) the Hoare annotation is: true [2020-10-25 19:39:32,763 INFO L274 CegarLoopResult]: For program point L534(lines 534 536) no Hoare annotation was computed. [2020-10-25 19:39:32,763 INFO L270 CegarLoopResult]: At program point L402(lines 393 411) the Hoare annotation is: (let ((.cse0 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-10-25 19:39:32,763 INFO L274 CegarLoopResult]: For program point L205(lines 205 546) no Hoare annotation was computed. [2020-10-25 19:39:32,764 INFO L274 CegarLoopResult]: For program point L172(lines 172 557) no Hoare annotation was computed. [2020-10-25 19:39:32,764 INFO L274 CegarLoopResult]: For program point L139(lines 139 568) no Hoare annotation was computed. [2020-10-25 19:39:32,764 INFO L274 CegarLoopResult]: For program point L106(lines 106 579) no Hoare annotation was computed. [2020-10-25 19:39:32,764 INFO L274 CegarLoopResult]: For program point L338(lines 338 372) no Hoare annotation was computed. [2020-10-25 19:39:32,764 INFO L274 CegarLoopResult]: For program point L338-1(lines 338 372) no Hoare annotation was computed. [2020-10-25 19:39:32,764 INFO L270 CegarLoopResult]: At program point L206(lines 205 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-10-25 19:39:32,764 INFO L270 CegarLoopResult]: At program point L173(lines 169 558) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 19:39:32,764 INFO L270 CegarLoopResult]: At program point L140(lines 136 569) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse8) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5 .cse6 .cse7 .cse8))) [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L471(lines 471 473) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L405(lines 405 407) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L339(lines 339 369) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L270 CegarLoopResult]: At program point L208(lines 207 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L175(lines 175 556) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L142(lines 142 567) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L109(lines 109 578) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L605(lines 605 607) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L605-2(lines 605 607) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L506(lines 506 509) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L275(lines 275 277) no Hoare annotation was computed. [2020-10-25 19:39:32,765 INFO L274 CegarLoopResult]: For program point L275-2(lines 209 543) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L274 CegarLoopResult]: For program point L309(lines 309 316) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L274 CegarLoopResult]: For program point L309-2(lines 309 316) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L274 CegarLoopResult]: For program point L244(lines 244 254) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L274 CegarLoopResult]: For program point L178(lines 178 555) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L274 CegarLoopResult]: For program point L145(lines 145 566) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L274 CegarLoopResult]: For program point L112(lines 112 577) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L274 CegarLoopResult]: For program point L344(lines 344 367) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L274 CegarLoopResult]: For program point L245(lines 245 248) no Hoare annotation was computed. [2020-10-25 19:39:32,766 INFO L270 CegarLoopResult]: At program point L212(lines 106 579) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse3 .cse6 .cse7 .cse8 .cse9 .cse2 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-10-25 19:39:32,767 INFO L270 CegarLoopResult]: At program point L179(lines 175 556) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 19:39:32,767 INFO L270 CegarLoopResult]: At program point L146(lines 142 567) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 19:39:32,767 INFO L277 CegarLoopResult]: At program point L610(lines 12 612) the Hoare annotation is: true [2020-10-25 19:39:32,767 INFO L270 CegarLoopResult]: At program point L544(lines 100 599) the Hoare annotation is: (let ((.cse30 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse31 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse14 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse26 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse28 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse21 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse22 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse23 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse27 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse16 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse18 (not .cse14)) (.cse19 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (.cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse5 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not .cse31)) (.cse10 (not .cse30)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse29 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse15 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse17 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse12 .cse17 .cse18) (and .cse8 .cse5 .cse19 .cse18) (and .cse16 .cse20) (and .cse8 .cse0 .cse14 .cse2) (and .cse3 .cse12 .cse17) (and .cse1 .cse12 .cse17) (and .cse7 .cse21 .cse1 .cse22 .cse23 .cse11 .cse2 .cse24 .cse25) (and .cse26 .cse16 .cse24 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse18) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse27 .cse26 .cse14 .cse24) (and .cse8 .cse20) (and .cse0 .cse27 .cse4 .cse5 .cse6 .cse28) (and .cse27 .cse4 .cse5 .cse6 .cse28 .cse18) (and .cse8 .cse12 .cse17 .cse18) (and .cse8 .cse14 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (and .cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse3 .cse21 .cse22 .cse23 .cse11 .cse2 .cse24 .cse25) (and .cse7 .cse1 .cse10 .cse11 .cse12 .cse13 .cse15) (and .cse0 .cse3 .cse2) (and .cse7 .cse3 .cse11 .cse29 .cse12 .cse15) (and .cse27 .cse5 .cse16 .cse19 .cse18) (and .cse8 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse14) (and .cse0 .cse8 .cse5 .cse19) (and .cse8 .cse14 .cse30) (and .cse7 .cse3 .cse11 .cse12 .cse13 .cse15) (and .cse8 .cse14 .cse31) (and .cse7 .cse1 .cse10 .cse11 .cse29 .cse12 .cse15) (and .cse4 .cse5 .cse1 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse29 .cse12 .cse14 .cse15) (and .cse0 .cse8 .cse12 .cse17)))) [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L445(lines 445 447) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L313(lines 313 315) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L181(lines 181 554) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L148(lines 148 565) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L115(lines 115 576) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L480(lines 480 482) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L381(lines 381 413) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L514(lines 514 516) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L448(lines 448 457) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L382(lines 382 388) no Hoare annotation was computed. [2020-10-25 19:39:32,768 INFO L274 CegarLoopResult]: For program point L217(lines 217 219) no Hoare annotation was computed. [2020-10-25 19:39:32,769 INFO L274 CegarLoopResult]: For program point L184(lines 184 553) no Hoare annotation was computed. [2020-10-25 19:39:32,769 INFO L274 CegarLoopResult]: For program point L151(lines 151 564) no Hoare annotation was computed. [2020-10-25 19:39:32,769 INFO L274 CegarLoopResult]: For program point L217-2(lines 217 219) no Hoare annotation was computed. [2020-10-25 19:39:32,769 INFO L274 CegarLoopResult]: For program point L118(lines 118 575) no Hoare annotation was computed. [2020-10-25 19:39:32,769 INFO L274 CegarLoopResult]: For program point L581(lines 581 597) no Hoare annotation was computed. [2020-10-25 19:39:32,769 INFO L270 CegarLoopResult]: At program point L515(lines 73 611) the Hoare annotation is: false [2020-10-25 19:39:32,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:39:32,769 INFO L270 CegarLoopResult]: At program point L185(lines 181 554) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0))) [2020-10-25 19:39:32,769 INFO L270 CegarLoopResult]: At program point L152(lines 148 565) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 19:39:32,769 INFO L274 CegarLoopResult]: For program point L86(lines 86 88) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L86-2(lines 83 89) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L582(lines 582 596) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L483-2(lines 483 487) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L583(lines 583 588) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L517(lines 517 519) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L583-2(lines 582 596) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L187(lines 187 552) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L154(lines 154 563) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L121(lines 121 574) no Hoare annotation was computed. [2020-10-25 19:39:32,770 INFO L274 CegarLoopResult]: For program point L452(lines 452 454) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L270 CegarLoopResult]: At program point L122(lines 118 575) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L585(lines 585 587) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L288(lines 288 294) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L355(lines 355 363) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L190(lines 190 551) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L157(lines 157 562) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L124(lines 124 573) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L91-1(lines 73 611) no Hoare annotation was computed. [2020-10-25 19:39:32,771 INFO L274 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-10-25 19:39:32,772 INFO L274 CegarLoopResult]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2020-10-25 19:39:32,772 INFO L270 CegarLoopResult]: At program point L356(lines 332 374) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 19:39:32,772 INFO L270 CegarLoopResult]: At program point L191(lines 187 552) the Hoare annotation is: (let ((.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3 .cse0 .cse1) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2020-10-25 19:39:32,772 INFO L270 CegarLoopResult]: At program point L158(lines 154 563) the Hoare annotation is: (let ((.cse0 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-10-25 19:39:32,772 INFO L270 CegarLoopResult]: At program point L125(lines 124 573) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-10-25 19:39:32,772 INFO L274 CegarLoopResult]: For program point L92(lines 92 94) no Hoare annotation was computed. [2020-10-25 19:39:32,772 INFO L274 CegarLoopResult]: For program point L423(lines 423 425) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L270 CegarLoopResult]: At program point L390(lines 381 413) the Hoare annotation is: (let ((.cse0 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L291(lines 291 293) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L291-2(lines 209 543) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L277 CegarLoopResult]: At program point L622(lines 613 624) the Hoare annotation is: true [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L358(lines 358 360) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L193(lines 193 550) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L160(lines 160 561) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L127(lines 127 572) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L260(lines 260 262) no Hoare annotation was computed. [2020-10-25 19:39:32,773 INFO L274 CegarLoopResult]: For program point L326-2(lines 209 543) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L227(lines 227 238) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L227-2(lines 209 543) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L393(lines 393 411) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L493(lines 493 496) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L196(lines 196 549) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L163(lines 163 560) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L274 CegarLoopResult]: For program point L130(lines 130 571) no Hoare annotation was computed. [2020-10-25 19:39:32,774 INFO L270 CegarLoopResult]: At program point L197(lines 193 550) the Hoare annotation is: (let ((.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse3 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse2 .cse5))) [2020-10-25 19:39:32,778 INFO L270 CegarLoopResult]: At program point L164(lines 160 561) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3))) [2020-10-25 19:39:32,778 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:39:32,778 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 19:39:32,778 INFO L274 CegarLoopResult]: For program point L462(lines 462 464) no Hoare annotation was computed. [2020-10-25 19:39:32,778 INFO L274 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-10-25 19:39:32,779 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 302) no Hoare annotation was computed. [2020-10-25 19:39:32,779 INFO L274 CegarLoopResult]: For program point L199(lines 199 548) no Hoare annotation was computed. [2020-10-25 19:39:32,779 INFO L274 CegarLoopResult]: For program point L166(lines 166 559) no Hoare annotation was computed. [2020-10-25 19:39:32,779 INFO L274 CegarLoopResult]: For program point L133(lines 133 570) no Hoare annotation was computed. [2020-10-25 19:39:32,780 INFO L270 CegarLoopResult]: At program point L100-2(lines 100 599) the Hoare annotation is: (let ((.cse30 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse31 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse14 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse26 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse28 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse21 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse22 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse23 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse27 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse16 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse18 (not .cse14)) (.cse19 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (.cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse5 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not .cse31)) (.cse10 (not .cse30)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse29 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse15 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse17 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse12 .cse17 .cse18) (and .cse8 .cse5 .cse19 .cse18) (and .cse16 .cse20) (and .cse8 .cse0 .cse14 .cse2) (and .cse3 .cse12 .cse17) (and .cse1 .cse12 .cse17) (and .cse7 .cse21 .cse1 .cse22 .cse23 .cse11 .cse2 .cse24 .cse25) (and .cse26 .cse16 .cse24 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse18) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse27 .cse26 .cse14 .cse24) (and .cse8 .cse20) (and .cse0 .cse27 .cse4 .cse5 .cse6 .cse28) (and .cse27 .cse4 .cse5 .cse6 .cse28 .cse18) (and .cse8 .cse12 .cse17 .cse18) (and .cse8 .cse14 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (and .cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse3 .cse21 .cse22 .cse23 .cse11 .cse2 .cse24 .cse25) (and .cse7 .cse1 .cse10 .cse11 .cse12 .cse13 .cse15) (and .cse0 .cse3 .cse2) (and .cse7 .cse3 .cse11 .cse29 .cse12 .cse15) (and .cse27 .cse5 .cse16 .cse19 .cse18) (and .cse8 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse14) (and .cse0 .cse8 .cse5 .cse19) (and .cse8 .cse14 .cse30) (and .cse7 .cse3 .cse11 .cse12 .cse13 .cse15) (and .cse8 .cse14 .cse31) (and .cse7 .cse1 .cse10 .cse11 .cse29 .cse12 .cse15) (and .cse4 .cse5 .cse1 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse29 .cse12 .cse14 .cse15) (and .cse0 .cse8 .cse12 .cse17)))) [2020-10-25 19:39:32,780 INFO L274 CegarLoopResult]: For program point L431-1(lines 431 439) no Hoare annotation was computed. [2020-10-25 19:39:32,780 INFO L274 CegarLoopResult]: For program point L233(lines 233 236) no Hoare annotation was computed. [2020-10-25 19:39:32,780 INFO L270 CegarLoopResult]: At program point L167(lines 166 559) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (not .cse3)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 .cse3 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse3 .cse2))) [2020-10-25 19:39:32,781 INFO L270 CegarLoopResult]: At program point L134(lines 127 572) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10))) [2020-10-25 19:39:32,781 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 19:39:32,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:39:32 BoogieIcfgContainer [2020-10-25 19:39:32,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:39:32,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:39:32,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:39:32,869 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:39:32,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:38:49" (3/4) ... [2020-10-25 19:39:32,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:39:32,905 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:39:32,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:39:32,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:39:32,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:39:33,062 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:39:33,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:39:33,064 INFO L168 Benchmark]: Toolchain (without parser) took 45336.69 ms. Allocated memory was 46.1 MB in the beginning and 1.3 GB in the end (delta: 1.3 GB). Free memory was 22.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 227.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:39:33,064 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 46.1 MB. Free memory was 27.7 MB in the beginning and 27.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:39:33,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.40 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.0 MB in the beginning and 28.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-10-25 19:39:33,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.08 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 25.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:39:33,066 INFO L168 Benchmark]: Boogie Preprocessor took 95.80 ms. Allocated memory is still 56.6 MB. Free memory was 25.9 MB in the beginning and 38.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-10-25 19:39:33,066 INFO L168 Benchmark]: RCFGBuilder took 1232.38 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 38.7 MB in the beginning and 44.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2020-10-25 19:39:33,066 INFO L168 Benchmark]: TraceAbstraction took 43207.81 ms. Allocated memory was 69.2 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 44.0 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 792.6 MB. Max. memory is 16.1 GB. [2020-10-25 19:39:33,067 INFO L168 Benchmark]: Witness Printer took 194.30 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 19:39:33,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 46.1 MB. Free memory was 27.7 MB in the beginning and 27.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 514.40 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.0 MB in the beginning and 28.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.08 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 25.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.80 ms. Allocated memory is still 56.6 MB. Free memory was 25.9 MB in the beginning and 38.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1232.38 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 38.7 MB in the beginning and 44.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 43207.81 ms. Allocated memory was 69.2 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 44.0 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 792.6 MB. Max. memory is 16.1 GB. * Witness Printer took 194.30 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 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: 332]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 2 && !(s__state == 8545)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__hit == 0) && s__state <= 8576) && 8512 <= s__state) || ((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && 8480 <= s__state) && !(s__state == 8544)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && blastFlag == 0) && 8480 <= s__state) && !(s__state == 8544)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576)) || ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(8496 == s__state)) && 8480 <= s__state) && !(s__state == 8544)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8673) && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && s__s3__tmp__next_state___0 <= 8640) && !(12292 == s__state)) && !(s__state == 8672)) && !(s__hit == 0)) || ((((!(s__state == 8673) && s__state <= 8672) && 8656 <= s__state) && blastFlag == 1) && !(s__state == 8672))) || (((((((blastFlag <= 2 && !(s__state == 8673)) && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && !(12292 == s__state)) && !(s__state == 8672)) && !(s__hit == 0))) || (((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && !(s__state == 8673)) && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && !(12292 == s__state)) && !(s__state == 8672))) || ((((!(s__state == 8673) && blastFlag == 0) && 8656 <= s__state) && s__state <= 8672) && !(s__state == 8672)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 2 && !(s__state == 8545)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__hit == 0) && s__state <= 8576) && 8512 <= s__state) || ((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && s__state <= 8576) || (((blastFlag == 0 && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657))) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && s__hit == 0) && 8512 <= s__state)) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && 8656 <= s__state) && s__state <= 8656) && !(s__hit == 0))) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) && s__state <= 8576)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state)) || ((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state)) || ((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || (blastFlag <= 2 && s__state <= 3)) || (((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657)) && !(s__state == 8656))) || (((((blastFlag <= 3 && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0))) || (((blastFlag <= 2 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || ((blastFlag <= 2 && s__hit == 0) && s__state == 8512)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((((!(s__state == 8545) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8576)) || (((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && 8512 <= s__state)) || ((((blastFlag <= 3 && 8656 <= s__state) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8656) && !(s__hit == 0))) || ((blastFlag <= 2 && s__state == 8528) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && 8656 <= s__state) && s__state <= 8656)) || ((blastFlag <= 2 && s__hit == 0) && 8560 == s__state)) || (((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state)) || ((blastFlag <= 2 && s__hit == 0) && s__state == 8544)) || ((((((!(s__state == 8545) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && 8512 <= s__state)) || (((s__state <= 8672 && 8656 <= s__state) && blastFlag == 1) && !(s__state == 8657))) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && s__hit == 0) && 8512 <= s__state)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && s__state <= 8640) && 8640 <= s__state) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) || ((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__hit == 0) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) || ((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && !(s__state == 8545)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && s__state <= 8640) && 8640 <= s__state)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 2 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && 8512 <= s__state) || ((((blastFlag == 1 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((blastFlag == 0 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && !(s__state == 8545)) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && !(s__state == 8481)) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag == 0) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481))) || ((((((((!(s__state == 8545) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && s__state <= 8576) || (((blastFlag == 0 && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657))) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && s__hit == 0) && 8512 <= s__state)) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && 8656 <= s__state) && s__state <= 8656) && !(s__hit == 0))) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) && s__state <= 8576)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state)) || ((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state)) || ((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || (blastFlag <= 2 && s__state <= 3)) || (((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657)) && !(s__state == 8656))) || (((((blastFlag <= 3 && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0))) || (((blastFlag <= 2 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || ((blastFlag <= 2 && s__hit == 0) && s__state == 8512)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((((!(s__state == 8545) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8576)) || (((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && 8512 <= s__state)) || ((((blastFlag <= 3 && 8656 <= s__state) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8656) && !(s__hit == 0))) || ((blastFlag <= 2 && s__state == 8528) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && 8656 <= s__state) && s__state <= 8656)) || ((blastFlag <= 2 && s__hit == 0) && 8560 == s__state)) || (((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state)) || ((blastFlag <= 2 && s__hit == 0) && s__state == 8544)) || ((((((!(s__state == 8545) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && 8512 <= s__state)) || (((s__state <= 8672 && 8656 <= s__state) && blastFlag == 1) && !(s__state == 8657))) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && s__hit == 0) && 8512 <= s__state)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && s__state <= 8640) && 8640 <= s__state) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) || ((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__hit == 0) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && s__state <= 8576) && 8512 <= s__state) || ((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && s__state <= 8576) && 8512 <= s__state)) || (((((!(s__state == 8545) && blastFlag <= 2) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || (((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && 8448 <= s__state) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8448) && 8448 <= s__state)) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || ((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8545) && !(8496 == s__state)) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && s__s3__tmp__next_state___0 <= 8640) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8481)) || ((((((((((!(s__state == 8545) && blastFlag <= 2) && !(8496 == s__state)) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8481)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 2 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && 8512 <= s__state) || ((((blastFlag == 1 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((blastFlag == 0 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && 8656 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 8656)) || (((((blastFlag <= 3 && 8656 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((8656 <= s__state && blastFlag == 1) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 8656))) || ((((blastFlag == 0 && 8656 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 8656)) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 2 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && 8512 <= s__state) || ((((blastFlag == 1 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((blastFlag == 0 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 2 && !(s__state == 8545)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__hit == 0) && s__state <= 8576) && 8512 <= s__state) || ((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && s__state == 8608) && s__hit == 0) || (blastFlag == 0 && s__state == 8608)) || (blastFlag == 1 && s__state == 8608) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.0s, OverallIterations: 39, TraceHistogramMax: 24, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7382 SDtfs, 4553 SDslu, 3427 SDs, 0 SdLazy, 3933 SolverSat, 1076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3121 GetRequests, 3066 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5055occurred in iteration=30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 39 MinimizatonAttempts, 6779 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 260 NumberOfFragments, 2695 HoareAnnotationTreeSize, 28 FomulaSimplifications, 471743 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 28 FomulaSimplificationsInter, 65500 FormulaSimplificationTreeSizeReductionInter, 17.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 11577 NumberOfCodeBlocks, 11577 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 11530 ConstructedInterpolants, 0 QuantifiedInterpolants, 5297671 SizeOfPredicates, 9 NumberOfNonLiveVariables, 5044 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 47 InterpolantComputations, 35 PerfectInterpolantSequences, 44574/44754 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...