./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87a4b11fd60d88478c9ad5217320492e74a11c2e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:24:12,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:24:12,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:24:12,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:24:12,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:24:12,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:24:12,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:24:12,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:24:12,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:24:12,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:24:12,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:24:12,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:24:12,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:24:12,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:24:12,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:24:12,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:24:12,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:24:12,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:24:12,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:24:12,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:24:12,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:24:12,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:24:12,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:24:12,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:24:12,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:24:12,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:24:12,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:24:12,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:24:12,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:24:12,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:24:12,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:24:12,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:24:12,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:24:12,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:24:12,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:24:12,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:24:12,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:24:12,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:24:12,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:24:12,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:24:12,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:24:12,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:24:12,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:24:12,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:24:12,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:24:12,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:24:12,218 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:24:12,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:24:12,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:24:12,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:24:12,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:24:12,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:24:12,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:24:12,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:24:12,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:24:12,220 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:24:12,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:24:12,221 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:24:12,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:24:12,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:24:12,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:24:12,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:24:12,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:24:12,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:24:12,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:24:12,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:24:12,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:24:12,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:24:12,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:24:12,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:24:12,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:24:12,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87a4b11fd60d88478c9ad5217320492e74a11c2e [2020-10-19 22:24:12,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:24:12,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:24:12,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:24:12,447 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:24:12,448 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:24:12,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2020-10-19 22:24:12,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc238f14/fdbd534e5f4d492199f88c158d617449/FLAG0189030bc [2020-10-19 22:24:13,004 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:24:13,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2020-10-19 22:24:13,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc238f14/fdbd534e5f4d492199f88c158d617449/FLAG0189030bc [2020-10-19 22:24:13,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc238f14/fdbd534e5f4d492199f88c158d617449 [2020-10-19 22:24:13,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:24:13,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:24:13,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:24:13,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:24:13,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:24:13,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:13,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7129d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13, skipping insertion in model container [2020-10-19 22:24:13,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:13,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:24:13,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:24:13,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:24:13,891 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:24:13,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:24:13,982 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:24:13,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13 WrapperNode [2020-10-19 22:24:13,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:24:13,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:24:13,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:24:13,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:24:13,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:24:14,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:24:14,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:24:14,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:24:14,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... [2020-10-19 22:24:14,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:24:14,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:24:14,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:24:14,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:24:14,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:24:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:24:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:24:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:24:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:24:14,334 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 22:24:14,994 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-19 22:24:14,994 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-19 22:24:15,007 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:24:15,008 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:24:15,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:24:15 BoogieIcfgContainer [2020-10-19 22:24:15,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:24:15,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:24:15,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:24:15,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:24:15,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:24:13" (1/3) ... [2020-10-19 22:24:15,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d441ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:24:15, skipping insertion in model container [2020-10-19 22:24:15,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:24:13" (2/3) ... [2020-10-19 22:24:15,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d441ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:24:15, skipping insertion in model container [2020-10-19 22:24:15,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:24:15" (3/3) ... [2020-10-19 22:24:15,020 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2020-10-19 22:24:15,034 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:24:15,042 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:24:15,059 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:24:15,102 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:24:15,102 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:24:15,102 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:24:15,103 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:24:15,103 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:24:15,103 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:24:15,103 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:24:15,104 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:24:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-10-19 22:24:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 22:24:15,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:24:15,133 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] [2020-10-19 22:24:15,133 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:24:15,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:24:15,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1530370178, now seen corresponding path program 1 times [2020-10-19 22:24:15,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:24:15,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818840059] [2020-10-19 22:24:15,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:24:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:24:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:24:15,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818840059] [2020-10-19 22:24:15,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:24:15,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:24:15,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828037504] [2020-10-19 22:24:15,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:24:15,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:24:15,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:24:15,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:15,417 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-10-19 22:24:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:24:15,701 INFO L93 Difference]: Finished difference Result 313 states and 531 transitions. [2020-10-19 22:24:15,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:24:15,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-10-19 22:24:15,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:24:15,718 INFO L225 Difference]: With dead ends: 313 [2020-10-19 22:24:15,718 INFO L226 Difference]: Without dead ends: 153 [2020-10-19 22:24:15,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:15,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-19 22:24:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2020-10-19 22:24:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-19 22:24:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 236 transitions. [2020-10-19 22:24:15,791 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 236 transitions. Word has length 23 [2020-10-19 22:24:15,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:24:15,792 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 236 transitions. [2020-10-19 22:24:15,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:24:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 236 transitions. [2020-10-19 22:24:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 22:24:15,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:24:15,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:24:15,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:24:15,795 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:24:15,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:24:15,796 INFO L82 PathProgramCache]: Analyzing trace with hash -595070533, now seen corresponding path program 1 times [2020-10-19 22:24:15,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:24:15,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870698591] [2020-10-19 22:24:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:24:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:24:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:24:15,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870698591] [2020-10-19 22:24:15,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:24:15,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:24:15,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453771303] [2020-10-19 22:24:15,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:24:15,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:24:15,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:24:15,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:15,892 INFO L87 Difference]: Start difference. First operand 151 states and 236 transitions. Second operand 3 states. [2020-10-19 22:24:16,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:24:16,114 INFO L93 Difference]: Finished difference Result 314 states and 494 transitions. [2020-10-19 22:24:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:24:16,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-19 22:24:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:24:16,117 INFO L225 Difference]: With dead ends: 314 [2020-10-19 22:24:16,117 INFO L226 Difference]: Without dead ends: 171 [2020-10-19 22:24:16,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:16,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-19 22:24:16,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-19 22:24:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-19 22:24:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 267 transitions. [2020-10-19 22:24:16,135 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 267 transitions. Word has length 24 [2020-10-19 22:24:16,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:24:16,136 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 267 transitions. [2020-10-19 22:24:16,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:24:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 267 transitions. [2020-10-19 22:24:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 22:24:16,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:24:16,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:24:16,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:24:16,138 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:24:16,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:24:16,139 INFO L82 PathProgramCache]: Analyzing trace with hash 61695231, now seen corresponding path program 1 times [2020-10-19 22:24:16,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:24:16,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400882821] [2020-10-19 22:24:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:24:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:24:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:24:16,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400882821] [2020-10-19 22:24:16,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:24:16,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:24:16,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042111821] [2020-10-19 22:24:16,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:24:16,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:24:16,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:24:16,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:16,214 INFO L87 Difference]: Start difference. First operand 169 states and 267 transitions. Second operand 3 states. [2020-10-19 22:24:16,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:24:16,402 INFO L93 Difference]: Finished difference Result 331 states and 524 transitions. [2020-10-19 22:24:16,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:24:16,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-19 22:24:16,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:24:16,405 INFO L225 Difference]: With dead ends: 331 [2020-10-19 22:24:16,405 INFO L226 Difference]: Without dead ends: 170 [2020-10-19 22:24:16,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-19 22:24:16,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-10-19 22:24:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-19 22:24:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 268 transitions. [2020-10-19 22:24:16,420 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 268 transitions. Word has length 24 [2020-10-19 22:24:16,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:24:16,420 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 268 transitions. [2020-10-19 22:24:16,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:24:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 268 transitions. [2020-10-19 22:24:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-19 22:24:16,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:24:16,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:24:16,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:24:16,423 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:24:16,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:24:16,424 INFO L82 PathProgramCache]: Analyzing trace with hash -77832335, now seen corresponding path program 1 times [2020-10-19 22:24:16,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:24:16,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780464865] [2020-10-19 22:24:16,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:24:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:24:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:24:16,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780464865] [2020-10-19 22:24:16,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:24:16,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:24:16,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147431361] [2020-10-19 22:24:16,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:24:16,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:24:16,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:24:16,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:16,486 INFO L87 Difference]: Start difference. First operand 170 states and 268 transitions. Second operand 3 states. [2020-10-19 22:24:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:24:16,672 INFO L93 Difference]: Finished difference Result 341 states and 536 transitions. [2020-10-19 22:24:16,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:24:16,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-19 22:24:16,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:24:16,674 INFO L225 Difference]: With dead ends: 341 [2020-10-19 22:24:16,674 INFO L226 Difference]: Without dead ends: 179 [2020-10-19 22:24:16,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:16,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-19 22:24:16,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2020-10-19 22:24:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-19 22:24:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 277 transitions. [2020-10-19 22:24:16,692 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 277 transitions. Word has length 25 [2020-10-19 22:24:16,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:24:16,692 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 277 transitions. [2020-10-19 22:24:16,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:24:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 277 transitions. [2020-10-19 22:24:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-19 22:24:16,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:24:16,694 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] [2020-10-19 22:24:16,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:24:16,694 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:24:16,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:24:16,695 INFO L82 PathProgramCache]: Analyzing trace with hash 845996009, now seen corresponding path program 1 times [2020-10-19 22:24:16,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:24:16,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467829982] [2020-10-19 22:24:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:24:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:24:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:24:16,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467829982] [2020-10-19 22:24:16,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:24:16,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:24:16,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816072400] [2020-10-19 22:24:16,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:24:16,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:24:16,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:24:16,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:16,738 INFO L87 Difference]: Start difference. First operand 179 states and 277 transitions. Second operand 3 states. [2020-10-19 22:24:16,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:24:16,893 INFO L93 Difference]: Finished difference Result 360 states and 554 transitions. [2020-10-19 22:24:16,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:24:16,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-19 22:24:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:24:16,896 INFO L225 Difference]: With dead ends: 360 [2020-10-19 22:24:16,896 INFO L226 Difference]: Without dead ends: 189 [2020-10-19 22:24:16,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-19 22:24:16,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2020-10-19 22:24:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-19 22:24:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2020-10-19 22:24:16,908 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 26 [2020-10-19 22:24:16,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:24:16,908 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2020-10-19 22:24:16,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:24:16,909 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2020-10-19 22:24:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-19 22:24:16,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:24:16,911 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] [2020-10-19 22:24:16,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:24:16,911 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:24:16,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:24:16,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1554339536, now seen corresponding path program 1 times [2020-10-19 22:24:16,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:24:16,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439285561] [2020-10-19 22:24:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:24:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:24:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:24:16,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439285561] [2020-10-19 22:24:16,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:24:16,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:24:16,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714940762] [2020-10-19 22:24:16,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:24:16,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:24:16,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:24:16,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:16,953 INFO L87 Difference]: Start difference. First operand 179 states and 275 transitions. Second operand 3 states. [2020-10-19 22:24:17,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:24:17,123 INFO L93 Difference]: Finished difference Result 360 states and 550 transitions. [2020-10-19 22:24:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:24:17,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-19 22:24:17,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:24:17,125 INFO L225 Difference]: With dead ends: 360 [2020-10-19 22:24:17,126 INFO L226 Difference]: Without dead ends: 189 [2020-10-19 22:24:17,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:24:17,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-19 22:24:17,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2020-10-19 22:24:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-19 22:24:17,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 273 transitions. [2020-10-19 22:24:17,144 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 273 transitions. Word has length 27 [2020-10-19 22:24:17,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:24:17,145 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 273 transitions. [2020-10-19 22:24:17,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:24:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 273 transitions. [2020-10-19 22:24:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-19 22:24:17,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:24:17,150 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] [2020-10-19 22:24:17,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:24:17,150 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:24:17,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:24:17,151 INFO L82 PathProgramCache]: Analyzing trace with hash 552780476, now seen corresponding path program 1 times [2020-10-19 22:24:17,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:24:17,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215987982] [2020-10-19 22:24:17,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:24:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:24:17,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:24:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:24:17,256 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:24:17,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 22:24:17,302 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 22:24:17,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:24:17,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:24:17 BoogieIcfgContainer [2020-10-19 22:24:17,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:24:17,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:24:17,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:24:17,368 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:24:17,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:24:15" (3/4) ... [2020-10-19 22:24:17,371 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-19 22:24:17,474 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:24:17,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:24:17,477 INFO L168 Benchmark]: Toolchain (without parser) took 4114.72 ms. Allocated memory was 36.2 MB in the beginning and 65.5 MB in the end (delta: 29.4 MB). Free memory was 9.5 MB in the beginning and 43.7 MB in the end (delta: -34.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:17,477 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 35.7 MB. Free memory was 14.5 MB in the beginning and 14.5 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-19 22:24:17,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.46 ms. Allocated memory was 36.2 MB in the beginning and 45.1 MB in the end (delta: 8.9 MB). Free memory was 8.6 MB in the beginning and 22.4 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:17,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.24 ms. Allocated memory is still 45.1 MB. Free memory was 22.2 MB in the beginning and 19.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:17,479 INFO L168 Benchmark]: Boogie Preprocessor took 64.89 ms. Allocated memory is still 45.1 MB. Free memory was 19.1 MB in the beginning and 16.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:17,480 INFO L168 Benchmark]: RCFGBuilder took 895.47 ms. Allocated memory was 45.1 MB in the beginning and 49.3 MB in the end (delta: 4.2 MB). Free memory was 16.6 MB in the beginning and 14.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:17,481 INFO L168 Benchmark]: TraceAbstraction took 2355.17 ms. Allocated memory was 49.3 MB in the beginning and 65.5 MB in the end (delta: 16.3 MB). Free memory was 13.5 MB in the beginning and 14.5 MB in the end (delta: -994.1 kB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:17,481 INFO L168 Benchmark]: Witness Printer took 106.59 ms. Allocated memory is still 65.5 MB. Free memory was 14.5 MB in the beginning and 43.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:24:17,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 35.7 MB. Free memory was 14.5 MB in the beginning and 14.5 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 616.46 ms. Allocated memory was 36.2 MB in the beginning and 45.1 MB in the end (delta: 8.9 MB). Free memory was 8.6 MB in the beginning and 22.4 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 66.24 ms. Allocated memory is still 45.1 MB. Free memory was 22.2 MB in the beginning and 19.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 64.89 ms. Allocated memory is still 45.1 MB. Free memory was 19.1 MB in the beginning and 16.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 895.47 ms. Allocated memory was 45.1 MB in the beginning and 49.3 MB in the end (delta: 4.2 MB). Free memory was 16.6 MB in the beginning and 14.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2355.17 ms. Allocated memory was 49.3 MB in the beginning and 65.5 MB in the end (delta: 16.3 MB). Free memory was 13.5 MB in the beginning and 14.5 MB in the end (delta: -994.1 kB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. * Witness Printer took 106.59 ms. Allocated memory is still 65.5 MB. Free memory was 14.5 MB in the beginning and 43.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L636] int s ; [L637] int tmp ; [L641] s = 8464 [L13] int s__info_callback = __VERIFIER_nondet_int() ; [L14] int s__in_handshake = __VERIFIER_nondet_int() ; [L15] int s__state ; [L16] int s__new_session ; [L17] int s__server ; [L18] int s__version = __VERIFIER_nondet_int() ; [L19] int s__type ; [L20] int s__init_num ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__cert = __VERIFIER_nondet_int() ; [L27] int s__options = __VERIFIER_nondet_int() ; [L28] int s__verify_mode = __VERIFIER_nondet_int() ; [L29] int s__session__peer = __VERIFIER_nondet_int() ; [L30] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L31] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L34] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__cert_request ; [L36] int s__s3__tmp__reuse_message ; [L37] int s__s3__tmp__use_rsa_tmp ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int buf = __VERIFIER_nondet_int() ; [L44] unsigned long l ; [L45] unsigned long Time ; [L46] unsigned long tmp = __VERIFIER_nondet_long() ; [L47] int cb ; [L48] long num1 ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int got_new_session ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 ; [L57] int tmp___4 ; [L58] int tmp___5 ; [L59] int tmp___6 ; [L60] int tmp___7 ; [L61] long tmp___8 = __VERIFIER_nondet_long() ; [L62] int tmp___9 ; [L63] int tmp___10 ; [L64] int blastFlag ; [L65] int __cil_tmp55 ; [L66] unsigned long __cil_tmp56 ; [L67] unsigned long __cil_tmp57 ; [L68] unsigned long __cil_tmp58 ; [L69] unsigned long __cil_tmp59 ; [L70] int __cil_tmp60 ; [L71] unsigned long __cil_tmp61 ; [L74] s__s3__tmp__new_cipher__algorithms = 0 [L75] __cil_tmp56 = 0 [L76] __cil_tmp57 = 0 [L77] __cil_tmp58 = 0 [L78] __cil_tmp59 = 0 [L79] __cil_tmp60 = 0 [L80] __cil_tmp61 = 0 [L81] s__s3__tmp__reuse_message = 0 [L82] s__state = initial_state [L83] blastFlag = 0 [L84] Time = tmp [L85] cb = 0 [L86] ret = -1 [L87] skip = 0 [L88] got_new_session = 0 [L89] COND TRUE s__info_callback != 0 [L90] cb = s__info_callback [L96] s__in_handshake ++ [L97] COND FALSE !(tmp___1 + 12288) [L102] COND FALSE !(s__cert == 0) [L106] COND TRUE 1 [L108] state = s__state [L109] COND FALSE !(s__state == 12292) [L112] COND FALSE !(s__state == 16384) [L115] COND FALSE !(s__state == 8192) [L118] COND FALSE !(s__state == 24576) [L121] COND FALSE !(s__state == 8195) [L124] COND FALSE !(s__state == 8480) [L127] COND FALSE !(s__state == 8481) [L130] COND FALSE !(s__state == 8482) [L133] COND TRUE s__state == 8464 [L277] s__shutdown = 0 [L278] ret = __VERIFIER_nondet_int() [L279] COND TRUE blastFlag == 0 [L280] blastFlag = 1 [L282] COND FALSE !(ret <= 0) [L285] got_new_session = 1 [L286] s__state = 8496 [L287] s__init_num = 0 [L593] COND TRUE ! s__s3__tmp__reuse_message [L594] COND TRUE ! skip [L595] COND TRUE state == 8464 [L596] COND TRUE s__state == 8496 [L597] COND TRUE cb != 0 [L598] COND TRUE s__info_callback != 0 [L3] __assert_fail("0", "s3_srvr_10.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 148 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.2s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 846 SDtfs, 1058 SDslu, 126 SDs, 0 SdLazy, 496 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 7880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...