./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/ssh-simplified/s3_srvr_1a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8f19e5f85495da246f7b055515ad1966fa98828 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 15:04:38,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 15:04:38,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 15:04:38,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 15:04:38,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 15:04:38,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 15:04:38,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 15:04:38,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 15:04:38,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 15:04:38,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 15:04:38,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 15:04:38,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 15:04:38,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 15:04:38,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 15:04:38,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 15:04:38,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 15:04:38,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 15:04:38,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 15:04:38,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 15:04:38,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 15:04:38,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 15:04:38,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 15:04:38,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 15:04:38,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 15:04:38,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 15:04:38,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 15:04:38,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 15:04:38,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 15:04:38,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 15:04:38,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 15:04:38,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 15:04:38,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 15:04:38,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 15:04:38,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 15:04:38,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 15:04:38,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 15:04:38,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 15:04:38,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 15:04:38,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 15:04:38,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 15:04:38,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 15:04:38,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 15:04:38,175 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 15:04:38,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 15:04:38,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 15:04:38,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 15:04:38,179 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 15:04:38,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 15:04:38,181 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 15:04:38,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 15:04:38,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 15:04:38,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 15:04:38,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 15:04:38,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 15:04:38,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 15:04:38,184 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 15:04:38,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 15:04:38,185 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 15:04:38,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 15:04:38,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 15:04:38,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 15:04:38,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 15:04:38,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 15:04:38,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 15:04:38,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 15:04:38,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 15:04:38,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 15:04:38,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 15:04:38,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 15:04:38,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 15:04:38,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 15:04:38,190 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(__VERIFIER_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 -> d8f19e5f85495da246f7b055515ad1966fa98828 [2020-07-28 15:04:38,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 15:04:38,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 15:04:38,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 15:04:38,517 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 15:04:38,518 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 15:04:38,519 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2020-07-28 15:04:38,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983295624/3e3dc8eab82c4396bc98ab500dd9c5bf/FLAGbf2ddb6b0 [2020-07-28 15:04:39,053 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 15:04:39,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2020-07-28 15:04:39,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983295624/3e3dc8eab82c4396bc98ab500dd9c5bf/FLAGbf2ddb6b0 [2020-07-28 15:04:39,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983295624/3e3dc8eab82c4396bc98ab500dd9c5bf [2020-07-28 15:04:39,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 15:04:39,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 15:04:39,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 15:04:39,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 15:04:39,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 15:04:39,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6adaf6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39, skipping insertion in model container [2020-07-28 15:04:39,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 15:04:39,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 15:04:39,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 15:04:39,698 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 15:04:39,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 15:04:39,760 INFO L208 MainTranslator]: Completed translation [2020-07-28 15:04:39,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39 WrapperNode [2020-07-28 15:04:39,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 15:04:39,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 15:04:39,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 15:04:39,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 15:04:39,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 15:04:39,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 15:04:39,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 15:04:39,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 15:04:39,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (1/1) ... [2020-07-28 15:04:39,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 15:04:39,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 15:04:39,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 15:04:39,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 15:04:39,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (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 [2020-07-28 15:04:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 15:04:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 15:04:40,412 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 15:04:40,413 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-28 15:04:40,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 03:04:40 BoogieIcfgContainer [2020-07-28 15:04:40,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 15:04:40,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 15:04:40,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 15:04:40,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 15:04:40,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 03:04:39" (1/3) ... [2020-07-28 15:04:40,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec3464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 03:04:40, skipping insertion in model container [2020-07-28 15:04:40,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:39" (2/3) ... [2020-07-28 15:04:40,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec3464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 03:04:40, skipping insertion in model container [2020-07-28 15:04:40,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 03:04:40" (3/3) ... [2020-07-28 15:04:40,425 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c [2020-07-28 15:04:40,435 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 15:04:40,442 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 15:04:40,453 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 15:04:40,472 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 15:04:40,473 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 15:04:40,473 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 15:04:40,473 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 15:04:40,474 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 15:04:40,474 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 15:04:40,474 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 15:04:40,474 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 15:04:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-28 15:04:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-28 15:04:40,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:40,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-28 15:04:40,493 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:40,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:40,498 INFO L82 PathProgramCache]: Analyzing trace with hash 963516, now seen corresponding path program 1 times [2020-07-28 15:04:40,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:40,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424307437] [2020-07-28 15:04:40,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:40,683 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_~s__state~0, main_~s__hit~0, main_~s__verify_mode~0, main_~s__session__peer~0, main_~s__s3__tmp__new_cipher__algorithms~0, main_~buf~0, main_~cb~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~s__verify_mode~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~s__session__peer~0 := main_#t~nondet2;havoc main_#t~nondet2;assume -2147483648 <= main_#t~nondet3 && main_#t~nondet3 <= 2147483647;main_~s__s3__tmp__new_cipher__algorithms~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~buf~0;havoc main_~cb~0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {50#(<= ULTIMATE.start_main_~blastFlag~0 0)} is VALID [2020-07-28 15:04:40,684 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#(<= ULTIMATE.start_main_~blastFlag~0 0)} assume !false; {50#(<= ULTIMATE.start_main_~blastFlag~0 0)} is VALID [2020-07-28 15:04:40,685 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#(<= ULTIMATE.start_main_~blastFlag~0 0)} assume main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2; {49#false} is VALID [2020-07-28 15:04:40,686 INFO L280 TraceCheckUtils]: 3: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-28 15:04:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 15:04:40,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424307437] [2020-07-28 15:04:40,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:40,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 15:04:40,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423271566] [2020-07-28 15:04:40,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-07-28 15:04:40,696 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:40,699 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:40,723 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:40,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:40,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:40,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:40,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:40,736 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 3 states. [2020-07-28 15:04:41,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:41,100 INFO L93 Difference]: Finished difference Result 131 states and 218 transitions. [2020-07-28 15:04:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:41,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-07-28 15:04:41,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2020-07-28 15:04:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2020-07-28 15:04:41,124 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 218 transitions. [2020-07-28 15:04:41,419 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 218 edges. 218 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:41,436 INFO L225 Difference]: With dead ends: 131 [2020-07-28 15:04:41,437 INFO L226 Difference]: Without dead ends: 79 [2020-07-28 15:04:41,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:41,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-07-28 15:04:41,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-07-28 15:04:41,507 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:41,508 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand 79 states. [2020-07-28 15:04:41,508 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2020-07-28 15:04:41,509 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2020-07-28 15:04:41,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:41,516 INFO L93 Difference]: Finished difference Result 79 states and 122 transitions. [2020-07-28 15:04:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2020-07-28 15:04:41,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:41,518 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:41,518 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2020-07-28 15:04:41,518 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2020-07-28 15:04:41,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:41,525 INFO L93 Difference]: Finished difference Result 79 states and 122 transitions. [2020-07-28 15:04:41,526 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2020-07-28 15:04:41,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:41,527 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:41,527 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:41,527 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-28 15:04:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 122 transitions. [2020-07-28 15:04:41,535 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 122 transitions. Word has length 4 [2020-07-28 15:04:41,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:41,535 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 122 transitions. [2020-07-28 15:04:41,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2020-07-28 15:04:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 15:04:41,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:41,536 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:41,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 15:04:41,537 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:41,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:41,538 INFO L82 PathProgramCache]: Analyzing trace with hash -737314741, now seen corresponding path program 1 times [2020-07-28 15:04:41,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:41,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663805461] [2020-07-28 15:04:41,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:41,599 INFO L280 TraceCheckUtils]: 0: Hoare triple {505#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_~s__state~0, main_~s__hit~0, main_~s__verify_mode~0, main_~s__session__peer~0, main_~s__s3__tmp__new_cipher__algorithms~0, main_~buf~0, main_~cb~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~s__verify_mode~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~s__session__peer~0 := main_#t~nondet2;havoc main_#t~nondet2;assume -2147483648 <= main_#t~nondet3 && main_#t~nondet3 <= 2147483647;main_~s__s3__tmp__new_cipher__algorithms~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~buf~0;havoc main_~cb~0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {505#true} is VALID [2020-07-28 15:04:41,599 INFO L280 TraceCheckUtils]: 1: Hoare triple {505#true} assume !false; {505#true} is VALID [2020-07-28 15:04:41,600 INFO L280 TraceCheckUtils]: 2: Hoare triple {505#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {505#true} is VALID [2020-07-28 15:04:41,600 INFO L280 TraceCheckUtils]: 3: Hoare triple {505#true} assume 8466 == main_~s__state~0; {505#true} is VALID [2020-07-28 15:04:41,607 INFO L280 TraceCheckUtils]: 4: Hoare triple {505#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 1; {507#(<= ULTIMATE.start_main_~blastFlag~0 1)} is VALID [2020-07-28 15:04:41,608 INFO L280 TraceCheckUtils]: 5: Hoare triple {507#(<= ULTIMATE.start_main_~blastFlag~0 1)} main_~s__state~0 := 8496; {507#(<= ULTIMATE.start_main_~blastFlag~0 1)} is VALID [2020-07-28 15:04:41,610 INFO L280 TraceCheckUtils]: 6: Hoare triple {507#(<= ULTIMATE.start_main_~blastFlag~0 1)} assume !false; {507#(<= ULTIMATE.start_main_~blastFlag~0 1)} is VALID [2020-07-28 15:04:41,611 INFO L280 TraceCheckUtils]: 7: Hoare triple {507#(<= ULTIMATE.start_main_~blastFlag~0 1)} assume main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2; {506#false} is VALID [2020-07-28 15:04:41,612 INFO L280 TraceCheckUtils]: 8: Hoare triple {506#false} assume !false; {506#false} is VALID [2020-07-28 15:04:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 15:04:41,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663805461] [2020-07-28 15:04:41,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:41,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:41,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320862602] [2020-07-28 15:04:41,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 15:04:41,617 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:41,618 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:41,637 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:41,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:41,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:41,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:41,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:41,640 INFO L87 Difference]: Start difference. First operand 79 states and 122 transitions. Second operand 3 states. [2020-07-28 15:04:41,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:41,949 INFO L93 Difference]: Finished difference Result 157 states and 249 transitions. [2020-07-28 15:04:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:41,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 15:04:41,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:41,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 15:04:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 15:04:41,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 192 transitions. [2020-07-28 15:04:42,193 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:42,198 INFO L225 Difference]: With dead ends: 157 [2020-07-28 15:04:42,199 INFO L226 Difference]: Without dead ends: 117 [2020-07-28 15:04:42,200 INFO L675 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 [2020-07-28 15:04:42,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-28 15:04:42,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-28 15:04:42,292 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:42,293 INFO L82 GeneralOperation]: Start isEquivalent. First operand 117 states. Second operand 117 states. [2020-07-28 15:04:42,293 INFO L74 IsIncluded]: Start isIncluded. First operand 117 states. Second operand 117 states. [2020-07-28 15:04:42,293 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 117 states. [2020-07-28 15:04:42,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,300 INFO L93 Difference]: Finished difference Result 117 states and 180 transitions. [2020-07-28 15:04:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 180 transitions. [2020-07-28 15:04:42,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:42,302 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:42,303 INFO L74 IsIncluded]: Start isIncluded. First operand 117 states. Second operand 117 states. [2020-07-28 15:04:42,303 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 117 states. [2020-07-28 15:04:42,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,310 INFO L93 Difference]: Finished difference Result 117 states and 180 transitions. [2020-07-28 15:04:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 180 transitions. [2020-07-28 15:04:42,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:42,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:42,313 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:42,313 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-28 15:04:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 180 transitions. [2020-07-28 15:04:42,320 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 180 transitions. Word has length 9 [2020-07-28 15:04:42,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:42,320 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 180 transitions. [2020-07-28 15:04:42,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 180 transitions. [2020-07-28 15:04:42,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 15:04:42,322 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:42,322 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:42,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 15:04:42,323 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:42,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:42,324 INFO L82 PathProgramCache]: Analyzing trace with hash -407668003, now seen corresponding path program 1 times [2020-07-28 15:04:42,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:42,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304851241] [2020-07-28 15:04:42,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:42,380 INFO L280 TraceCheckUtils]: 0: Hoare triple {1126#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_~s__state~0, main_~s__hit~0, main_~s__verify_mode~0, main_~s__session__peer~0, main_~s__s3__tmp__new_cipher__algorithms~0, main_~buf~0, main_~cb~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~s__verify_mode~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~s__session__peer~0 := main_#t~nondet2;havoc main_#t~nondet2;assume -2147483648 <= main_#t~nondet3 && main_#t~nondet3 <= 2147483647;main_~s__s3__tmp__new_cipher__algorithms~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~buf~0;havoc main_~cb~0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {1126#true} is VALID [2020-07-28 15:04:42,381 INFO L280 TraceCheckUtils]: 1: Hoare triple {1126#true} assume !false; {1126#true} is VALID [2020-07-28 15:04:42,381 INFO L280 TraceCheckUtils]: 2: Hoare triple {1126#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1126#true} is VALID [2020-07-28 15:04:42,381 INFO L280 TraceCheckUtils]: 3: Hoare triple {1126#true} assume 8466 == main_~s__state~0; {1126#true} is VALID [2020-07-28 15:04:42,381 INFO L280 TraceCheckUtils]: 4: Hoare triple {1126#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 1; {1126#true} is VALID [2020-07-28 15:04:42,382 INFO L280 TraceCheckUtils]: 5: Hoare triple {1126#true} main_~s__state~0 := 8496; {1126#true} is VALID [2020-07-28 15:04:42,382 INFO L280 TraceCheckUtils]: 6: Hoare triple {1126#true} assume !false; {1126#true} is VALID [2020-07-28 15:04:42,383 INFO L280 TraceCheckUtils]: 7: Hoare triple {1126#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1126#true} is VALID [2020-07-28 15:04:42,383 INFO L280 TraceCheckUtils]: 8: Hoare triple {1126#true} assume !(8466 == main_~s__state~0); {1126#true} is VALID [2020-07-28 15:04:42,383 INFO L280 TraceCheckUtils]: 9: Hoare triple {1126#true} assume 8496 == main_~s__state~0; {1126#true} is VALID [2020-07-28 15:04:42,385 INFO L280 TraceCheckUtils]: 10: Hoare triple {1126#true} assume 1 == main_~blastFlag~0;main_~blastFlag~0 := 2; {1128#(<= ULTIMATE.start_main_~blastFlag~0 2)} is VALID [2020-07-28 15:04:42,385 INFO L280 TraceCheckUtils]: 11: Hoare triple {1128#(<= ULTIMATE.start_main_~blastFlag~0 2)} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {1128#(<= ULTIMATE.start_main_~blastFlag~0 2)} is VALID [2020-07-28 15:04:42,386 INFO L280 TraceCheckUtils]: 12: Hoare triple {1128#(<= ULTIMATE.start_main_~blastFlag~0 2)} assume !false; {1128#(<= ULTIMATE.start_main_~blastFlag~0 2)} is VALID [2020-07-28 15:04:42,387 INFO L280 TraceCheckUtils]: 13: Hoare triple {1128#(<= ULTIMATE.start_main_~blastFlag~0 2)} assume main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2; {1127#false} is VALID [2020-07-28 15:04:42,387 INFO L280 TraceCheckUtils]: 14: Hoare triple {1127#false} assume !false; {1127#false} is VALID [2020-07-28 15:04:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 15:04:42,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304851241] [2020-07-28 15:04:42,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:42,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:42,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84299288] [2020-07-28 15:04:42,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 15:04:42,394 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:42,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:42,409 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:42,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:42,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:42,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:42,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:42,411 INFO L87 Difference]: Start difference. First operand 117 states and 180 transitions. Second operand 3 states. [2020-07-28 15:04:42,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,657 INFO L93 Difference]: Finished difference Result 233 states and 365 transitions. [2020-07-28 15:04:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:42,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 15:04:42,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:42,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 15:04:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 15:04:42,664 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 192 transitions. [2020-07-28 15:04:42,893 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:42,899 INFO L225 Difference]: With dead ends: 233 [2020-07-28 15:04:42,899 INFO L226 Difference]: Without dead ends: 155 [2020-07-28 15:04:42,900 INFO L675 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 [2020-07-28 15:04:42,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-28 15:04:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-07-28 15:04:43,004 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:43,005 INFO L82 GeneralOperation]: Start isEquivalent. First operand 155 states. Second operand 155 states. [2020-07-28 15:04:43,005 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand 155 states. [2020-07-28 15:04:43,005 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 155 states. [2020-07-28 15:04:43,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,012 INFO L93 Difference]: Finished difference Result 155 states and 239 transitions. [2020-07-28 15:04:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 239 transitions. [2020-07-28 15:04:43,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,017 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,017 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand 155 states. [2020-07-28 15:04:43,017 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 155 states. [2020-07-28 15:04:43,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,026 INFO L93 Difference]: Finished difference Result 155 states and 239 transitions. [2020-07-28 15:04:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 239 transitions. [2020-07-28 15:04:43,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,028 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,028 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:43,028 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-07-28 15:04:43,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 239 transitions. [2020-07-28 15:04:43,036 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 239 transitions. Word has length 15 [2020-07-28 15:04:43,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:43,037 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 239 transitions. [2020-07-28 15:04:43,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 239 transitions. [2020-07-28 15:04:43,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 15:04:43,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:43,042 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:43,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 15:04:43,042 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:43,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:43,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1622407343, now seen corresponding path program 1 times [2020-07-28 15:04:43,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:43,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53222106] [2020-07-28 15:04:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:43,103 INFO L280 TraceCheckUtils]: 0: Hoare triple {1982#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_~s__state~0, main_~s__hit~0, main_~s__verify_mode~0, main_~s__session__peer~0, main_~s__s3__tmp__new_cipher__algorithms~0, main_~buf~0, main_~cb~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~s__verify_mode~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~s__session__peer~0 := main_#t~nondet2;havoc main_#t~nondet2;assume -2147483648 <= main_#t~nondet3 && main_#t~nondet3 <= 2147483647;main_~s__s3__tmp__new_cipher__algorithms~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~buf~0;havoc main_~cb~0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {1982#true} is VALID [2020-07-28 15:04:43,104 INFO L280 TraceCheckUtils]: 1: Hoare triple {1982#true} assume !false; {1982#true} is VALID [2020-07-28 15:04:43,104 INFO L280 TraceCheckUtils]: 2: Hoare triple {1982#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1982#true} is VALID [2020-07-28 15:04:43,104 INFO L280 TraceCheckUtils]: 3: Hoare triple {1982#true} assume 8466 == main_~s__state~0; {1982#true} is VALID [2020-07-28 15:04:43,105 INFO L280 TraceCheckUtils]: 4: Hoare triple {1982#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 1; {1982#true} is VALID [2020-07-28 15:04:43,105 INFO L280 TraceCheckUtils]: 5: Hoare triple {1982#true} main_~s__state~0 := 8496; {1982#true} is VALID [2020-07-28 15:04:43,105 INFO L280 TraceCheckUtils]: 6: Hoare triple {1982#true} assume !false; {1982#true} is VALID [2020-07-28 15:04:43,106 INFO L280 TraceCheckUtils]: 7: Hoare triple {1982#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1982#true} is VALID [2020-07-28 15:04:43,106 INFO L280 TraceCheckUtils]: 8: Hoare triple {1982#true} assume !(8466 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,106 INFO L280 TraceCheckUtils]: 9: Hoare triple {1982#true} assume 8496 == main_~s__state~0; {1982#true} is VALID [2020-07-28 15:04:43,107 INFO L280 TraceCheckUtils]: 10: Hoare triple {1982#true} assume 1 == main_~blastFlag~0;main_~blastFlag~0 := 2; {1982#true} is VALID [2020-07-28 15:04:43,107 INFO L280 TraceCheckUtils]: 11: Hoare triple {1982#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {1982#true} is VALID [2020-07-28 15:04:43,107 INFO L280 TraceCheckUtils]: 12: Hoare triple {1982#true} assume !false; {1982#true} is VALID [2020-07-28 15:04:43,107 INFO L280 TraceCheckUtils]: 13: Hoare triple {1982#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1982#true} is VALID [2020-07-28 15:04:43,108 INFO L280 TraceCheckUtils]: 14: Hoare triple {1982#true} assume !(8466 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,108 INFO L280 TraceCheckUtils]: 15: Hoare triple {1982#true} assume !(8496 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,108 INFO L280 TraceCheckUtils]: 16: Hoare triple {1982#true} assume !(8512 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,109 INFO L280 TraceCheckUtils]: 17: Hoare triple {1982#true} assume !(8528 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,109 INFO L280 TraceCheckUtils]: 18: Hoare triple {1982#true} assume !(8544 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,109 INFO L280 TraceCheckUtils]: 19: Hoare triple {1982#true} assume !(8560 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,110 INFO L280 TraceCheckUtils]: 20: Hoare triple {1982#true} assume !(8576 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,110 INFO L280 TraceCheckUtils]: 21: Hoare triple {1982#true} assume !(8592 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,111 INFO L280 TraceCheckUtils]: 22: Hoare triple {1982#true} assume !(8608 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,111 INFO L280 TraceCheckUtils]: 23: Hoare triple {1982#true} assume !(8640 == main_~s__state~0); {1982#true} is VALID [2020-07-28 15:04:43,111 INFO L280 TraceCheckUtils]: 24: Hoare triple {1982#true} assume 8656 == main_~s__state~0; {1982#true} is VALID [2020-07-28 15:04:43,112 INFO L280 TraceCheckUtils]: 25: Hoare triple {1982#true} assume 2 == main_~blastFlag~0;main_~blastFlag~0 := 3; {1982#true} is VALID [2020-07-28 15:04:43,113 INFO L280 TraceCheckUtils]: 26: Hoare triple {1982#true} main_~s__state~0 := 8672; {1984#(<= 8672 ULTIMATE.start_main_~s__state~0)} is VALID [2020-07-28 15:04:43,113 INFO L280 TraceCheckUtils]: 27: Hoare triple {1984#(<= 8672 ULTIMATE.start_main_~s__state~0)} assume !false; {1984#(<= 8672 ULTIMATE.start_main_~s__state~0)} is VALID [2020-07-28 15:04:43,114 INFO L280 TraceCheckUtils]: 28: Hoare triple {1984#(<= 8672 ULTIMATE.start_main_~s__state~0)} assume main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2; {1983#false} is VALID [2020-07-28 15:04:43,114 INFO L280 TraceCheckUtils]: 29: Hoare triple {1983#false} assume !false; {1983#false} is VALID [2020-07-28 15:04:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-28 15:04:43,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53222106] [2020-07-28 15:04:43,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:43,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:43,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894704301] [2020-07-28 15:04:43,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-07-28 15:04:43,119 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:43,119 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:43,143 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:43,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:43,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:43,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:43,144 INFO L87 Difference]: Start difference. First operand 155 states and 239 transitions. Second operand 3 states. [2020-07-28 15:04:43,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,451 INFO L93 Difference]: Finished difference Result 367 states and 579 transitions. [2020-07-28 15:04:43,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:43,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-07-28 15:04:43,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2020-07-28 15:04:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2020-07-28 15:04:43,455 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 156 transitions. [2020-07-28 15:04:43,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,613 INFO L225 Difference]: With dead ends: 367 [2020-07-28 15:04:43,613 INFO L226 Difference]: Without dead ends: 213 [2020-07-28 15:04:43,615 INFO L675 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 [2020-07-28 15:04:43,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-07-28 15:04:43,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 207. [2020-07-28 15:04:43,720 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:43,720 INFO L82 GeneralOperation]: Start isEquivalent. First operand 213 states. Second operand 207 states. [2020-07-28 15:04:43,720 INFO L74 IsIncluded]: Start isIncluded. First operand 213 states. Second operand 207 states. [2020-07-28 15:04:43,721 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 207 states. [2020-07-28 15:04:43,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,735 INFO L93 Difference]: Finished difference Result 213 states and 296 transitions. [2020-07-28 15:04:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 296 transitions. [2020-07-28 15:04:43,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,736 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,736 INFO L74 IsIncluded]: Start isIncluded. First operand 207 states. Second operand 213 states. [2020-07-28 15:04:43,736 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 213 states. [2020-07-28 15:04:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,744 INFO L93 Difference]: Finished difference Result 213 states and 296 transitions. [2020-07-28 15:04:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 296 transitions. [2020-07-28 15:04:43,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,746 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:43,746 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-07-28 15:04:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 291 transitions. [2020-07-28 15:04:43,755 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 291 transitions. Word has length 30 [2020-07-28 15:04:43,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:43,755 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 291 transitions. [2020-07-28 15:04:43,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 291 transitions. [2020-07-28 15:04:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-28 15:04:43,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:43,758 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:43,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 15:04:43,758 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:43,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:43,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2042852816, now seen corresponding path program 1 times [2020-07-28 15:04:43,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:43,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460976732] [2020-07-28 15:04:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:43,856 INFO L280 TraceCheckUtils]: 0: Hoare triple {3179#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_~s__state~0, main_~s__hit~0, main_~s__verify_mode~0, main_~s__session__peer~0, main_~s__s3__tmp__new_cipher__algorithms~0, main_~buf~0, main_~cb~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~s__verify_mode~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~s__session__peer~0 := main_#t~nondet2;havoc main_#t~nondet2;assume -2147483648 <= main_#t~nondet3 && main_#t~nondet3 <= 2147483647;main_~s__s3__tmp__new_cipher__algorithms~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~buf~0;havoc main_~cb~0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {3179#true} is VALID [2020-07-28 15:04:43,857 INFO L280 TraceCheckUtils]: 1: Hoare triple {3179#true} assume !false; {3179#true} is VALID [2020-07-28 15:04:43,857 INFO L280 TraceCheckUtils]: 2: Hoare triple {3179#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {3179#true} is VALID [2020-07-28 15:04:43,857 INFO L280 TraceCheckUtils]: 3: Hoare triple {3179#true} assume 8466 == main_~s__state~0; {3179#true} is VALID [2020-07-28 15:04:43,858 INFO L280 TraceCheckUtils]: 4: Hoare triple {3179#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 1; {3179#true} is VALID [2020-07-28 15:04:43,858 INFO L280 TraceCheckUtils]: 5: Hoare triple {3179#true} main_~s__state~0 := 8496; {3179#true} is VALID [2020-07-28 15:04:43,858 INFO L280 TraceCheckUtils]: 6: Hoare triple {3179#true} assume !false; {3179#true} is VALID [2020-07-28 15:04:43,859 INFO L280 TraceCheckUtils]: 7: Hoare triple {3179#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {3179#true} is VALID [2020-07-28 15:04:43,859 INFO L280 TraceCheckUtils]: 8: Hoare triple {3179#true} assume !(8466 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,859 INFO L280 TraceCheckUtils]: 9: Hoare triple {3179#true} assume 8496 == main_~s__state~0; {3179#true} is VALID [2020-07-28 15:04:43,859 INFO L280 TraceCheckUtils]: 10: Hoare triple {3179#true} assume 1 == main_~blastFlag~0;main_~blastFlag~0 := 2; {3179#true} is VALID [2020-07-28 15:04:43,860 INFO L280 TraceCheckUtils]: 11: Hoare triple {3179#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {3179#true} is VALID [2020-07-28 15:04:43,860 INFO L280 TraceCheckUtils]: 12: Hoare triple {3179#true} assume !false; {3179#true} is VALID [2020-07-28 15:04:43,860 INFO L280 TraceCheckUtils]: 13: Hoare triple {3179#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {3179#true} is VALID [2020-07-28 15:04:43,860 INFO L280 TraceCheckUtils]: 14: Hoare triple {3179#true} assume !(8466 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,861 INFO L280 TraceCheckUtils]: 15: Hoare triple {3179#true} assume !(8496 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,861 INFO L280 TraceCheckUtils]: 16: Hoare triple {3179#true} assume !(8512 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,861 INFO L280 TraceCheckUtils]: 17: Hoare triple {3179#true} assume !(8528 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,861 INFO L280 TraceCheckUtils]: 18: Hoare triple {3179#true} assume !(8544 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,861 INFO L280 TraceCheckUtils]: 19: Hoare triple {3179#true} assume !(8560 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,862 INFO L280 TraceCheckUtils]: 20: Hoare triple {3179#true} assume !(8576 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,862 INFO L280 TraceCheckUtils]: 21: Hoare triple {3179#true} assume !(8592 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,862 INFO L280 TraceCheckUtils]: 22: Hoare triple {3179#true} assume !(8608 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,862 INFO L280 TraceCheckUtils]: 23: Hoare triple {3179#true} assume !(8640 == main_~s__state~0); {3179#true} is VALID [2020-07-28 15:04:43,863 INFO L280 TraceCheckUtils]: 24: Hoare triple {3179#true} assume 8656 == main_~s__state~0; {3179#true} is VALID [2020-07-28 15:04:43,864 INFO L280 TraceCheckUtils]: 25: Hoare triple {3179#true} assume 2 == main_~blastFlag~0;main_~blastFlag~0 := 3; {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,865 INFO L280 TraceCheckUtils]: 26: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} main_~s__state~0 := 8672; {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,866 INFO L280 TraceCheckUtils]: 27: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !false; {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,866 INFO L280 TraceCheckUtils]: 28: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,867 INFO L280 TraceCheckUtils]: 29: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8466 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,867 INFO L280 TraceCheckUtils]: 30: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8496 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,868 INFO L280 TraceCheckUtils]: 31: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8512 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,868 INFO L280 TraceCheckUtils]: 32: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8528 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,869 INFO L280 TraceCheckUtils]: 33: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8544 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,870 INFO L280 TraceCheckUtils]: 34: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8560 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,871 INFO L280 TraceCheckUtils]: 35: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8576 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,872 INFO L280 TraceCheckUtils]: 36: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8592 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,873 INFO L280 TraceCheckUtils]: 37: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8608 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,873 INFO L280 TraceCheckUtils]: 38: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8640 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,874 INFO L280 TraceCheckUtils]: 39: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(8656 == main_~s__state~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,875 INFO L280 TraceCheckUtils]: 40: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume 8672 == main_~s__state~0; {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,875 INFO L280 TraceCheckUtils]: 41: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(4 == main_~blastFlag~0); {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:43,876 INFO L280 TraceCheckUtils]: 42: Hoare triple {3181#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume 5 == main_~blastFlag~0; {3180#false} is VALID [2020-07-28 15:04:43,876 INFO L280 TraceCheckUtils]: 43: Hoare triple {3180#false} assume !false; {3180#false} is VALID [2020-07-28 15:04:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-28 15:04:43,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460976732] [2020-07-28 15:04:43,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:43,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:43,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687024718] [2020-07-28 15:04:43,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-07-28 15:04:43,880 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:43,880 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:43,922 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:43,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:43,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:43,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:43,923 INFO L87 Difference]: Start difference. First operand 207 states and 291 transitions. Second operand 3 states. [2020-07-28 15:04:44,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:44,193 INFO L93 Difference]: Finished difference Result 415 states and 588 transitions. [2020-07-28 15:04:44,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:44,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-07-28 15:04:44,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2020-07-28 15:04:44,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2020-07-28 15:04:44,199 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 193 transitions. [2020-07-28 15:04:44,390 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 193 edges. 193 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:44,396 INFO L225 Difference]: With dead ends: 415 [2020-07-28 15:04:44,397 INFO L226 Difference]: Without dead ends: 260 [2020-07-28 15:04:44,398 INFO L675 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 [2020-07-28 15:04:44,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-07-28 15:04:44,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2020-07-28 15:04:44,519 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:44,520 INFO L82 GeneralOperation]: Start isEquivalent. First operand 260 states. Second operand 258 states. [2020-07-28 15:04:44,520 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 258 states. [2020-07-28 15:04:44,520 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 258 states. [2020-07-28 15:04:44,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:44,537 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2020-07-28 15:04:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 366 transitions. [2020-07-28 15:04:44,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:44,538 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:44,539 INFO L74 IsIncluded]: Start isIncluded. First operand 258 states. Second operand 260 states. [2020-07-28 15:04:44,539 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 260 states. [2020-07-28 15:04:44,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:44,557 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2020-07-28 15:04:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 366 transitions. [2020-07-28 15:04:44,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:44,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:44,558 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:44,558 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-07-28 15:04:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 365 transitions. [2020-07-28 15:04:44,566 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 365 transitions. Word has length 44 [2020-07-28 15:04:44,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:44,567 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 365 transitions. [2020-07-28 15:04:44,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 365 transitions. [2020-07-28 15:04:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-28 15:04:44,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:44,571 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:44,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 15:04:44,572 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:44,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1056783528, now seen corresponding path program 1 times [2020-07-28 15:04:44,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:44,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992153153] [2020-07-28 15:04:44,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:44,613 INFO L280 TraceCheckUtils]: 0: Hoare triple {4589#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_~s__state~0, main_~s__hit~0, main_~s__verify_mode~0, main_~s__session__peer~0, main_~s__s3__tmp__new_cipher__algorithms~0, main_~buf~0, main_~cb~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~s__verify_mode~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~s__session__peer~0 := main_#t~nondet2;havoc main_#t~nondet2;assume -2147483648 <= main_#t~nondet3 && main_#t~nondet3 <= 2147483647;main_~s__s3__tmp__new_cipher__algorithms~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~buf~0;havoc main_~cb~0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {4589#true} is VALID [2020-07-28 15:04:44,613 INFO L280 TraceCheckUtils]: 1: Hoare triple {4589#true} assume !false; {4589#true} is VALID [2020-07-28 15:04:44,613 INFO L280 TraceCheckUtils]: 2: Hoare triple {4589#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {4589#true} is VALID [2020-07-28 15:04:44,613 INFO L280 TraceCheckUtils]: 3: Hoare triple {4589#true} assume 8466 == main_~s__state~0; {4589#true} is VALID [2020-07-28 15:04:44,614 INFO L280 TraceCheckUtils]: 4: Hoare triple {4589#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 1; {4589#true} is VALID [2020-07-28 15:04:44,614 INFO L280 TraceCheckUtils]: 5: Hoare triple {4589#true} main_~s__state~0 := 8496; {4589#true} is VALID [2020-07-28 15:04:44,614 INFO L280 TraceCheckUtils]: 6: Hoare triple {4589#true} assume !false; {4589#true} is VALID [2020-07-28 15:04:44,615 INFO L280 TraceCheckUtils]: 7: Hoare triple {4589#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {4589#true} is VALID [2020-07-28 15:04:44,615 INFO L280 TraceCheckUtils]: 8: Hoare triple {4589#true} assume !(8466 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,615 INFO L280 TraceCheckUtils]: 9: Hoare triple {4589#true} assume 8496 == main_~s__state~0; {4589#true} is VALID [2020-07-28 15:04:44,615 INFO L280 TraceCheckUtils]: 10: Hoare triple {4589#true} assume 1 == main_~blastFlag~0;main_~blastFlag~0 := 2; {4589#true} is VALID [2020-07-28 15:04:44,616 INFO L280 TraceCheckUtils]: 11: Hoare triple {4589#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {4589#true} is VALID [2020-07-28 15:04:44,616 INFO L280 TraceCheckUtils]: 12: Hoare triple {4589#true} assume !false; {4589#true} is VALID [2020-07-28 15:04:44,616 INFO L280 TraceCheckUtils]: 13: Hoare triple {4589#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {4589#true} is VALID [2020-07-28 15:04:44,616 INFO L280 TraceCheckUtils]: 14: Hoare triple {4589#true} assume !(8466 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,617 INFO L280 TraceCheckUtils]: 15: Hoare triple {4589#true} assume !(8496 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,617 INFO L280 TraceCheckUtils]: 16: Hoare triple {4589#true} assume !(8512 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,617 INFO L280 TraceCheckUtils]: 17: Hoare triple {4589#true} assume !(8528 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,618 INFO L280 TraceCheckUtils]: 18: Hoare triple {4589#true} assume !(8544 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,618 INFO L280 TraceCheckUtils]: 19: Hoare triple {4589#true} assume !(8560 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,618 INFO L280 TraceCheckUtils]: 20: Hoare triple {4589#true} assume !(8576 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,618 INFO L280 TraceCheckUtils]: 21: Hoare triple {4589#true} assume !(8592 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,619 INFO L280 TraceCheckUtils]: 22: Hoare triple {4589#true} assume !(8608 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,619 INFO L280 TraceCheckUtils]: 23: Hoare triple {4589#true} assume !(8640 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,619 INFO L280 TraceCheckUtils]: 24: Hoare triple {4589#true} assume 8656 == main_~s__state~0; {4589#true} is VALID [2020-07-28 15:04:44,619 INFO L280 TraceCheckUtils]: 25: Hoare triple {4589#true} assume 2 == main_~blastFlag~0;main_~blastFlag~0 := 3; {4589#true} is VALID [2020-07-28 15:04:44,620 INFO L280 TraceCheckUtils]: 26: Hoare triple {4589#true} main_~s__state~0 := 8672; {4589#true} is VALID [2020-07-28 15:04:44,620 INFO L280 TraceCheckUtils]: 27: Hoare triple {4589#true} assume !false; {4589#true} is VALID [2020-07-28 15:04:44,620 INFO L280 TraceCheckUtils]: 28: Hoare triple {4589#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {4589#true} is VALID [2020-07-28 15:04:44,621 INFO L280 TraceCheckUtils]: 29: Hoare triple {4589#true} assume !(8466 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,621 INFO L280 TraceCheckUtils]: 30: Hoare triple {4589#true} assume !(8496 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,621 INFO L280 TraceCheckUtils]: 31: Hoare triple {4589#true} assume !(8512 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,622 INFO L280 TraceCheckUtils]: 32: Hoare triple {4589#true} assume !(8528 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,622 INFO L280 TraceCheckUtils]: 33: Hoare triple {4589#true} assume !(8544 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,622 INFO L280 TraceCheckUtils]: 34: Hoare triple {4589#true} assume !(8560 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,623 INFO L280 TraceCheckUtils]: 35: Hoare triple {4589#true} assume !(8576 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,623 INFO L280 TraceCheckUtils]: 36: Hoare triple {4589#true} assume !(8592 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,623 INFO L280 TraceCheckUtils]: 37: Hoare triple {4589#true} assume !(8608 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,624 INFO L280 TraceCheckUtils]: 38: Hoare triple {4589#true} assume !(8640 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,624 INFO L280 TraceCheckUtils]: 39: Hoare triple {4589#true} assume !(8656 == main_~s__state~0); {4589#true} is VALID [2020-07-28 15:04:44,624 INFO L280 TraceCheckUtils]: 40: Hoare triple {4589#true} assume 8672 == main_~s__state~0; {4589#true} is VALID [2020-07-28 15:04:44,625 INFO L280 TraceCheckUtils]: 41: Hoare triple {4589#true} assume !(4 == main_~blastFlag~0); {4589#true} is VALID [2020-07-28 15:04:44,625 INFO L280 TraceCheckUtils]: 42: Hoare triple {4589#true} assume !(5 == main_~blastFlag~0); {4589#true} is VALID [2020-07-28 15:04:44,626 INFO L280 TraceCheckUtils]: 43: Hoare triple {4589#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8640; {4591#(<= 8640 ULTIMATE.start_main_~s__state~0)} is VALID [2020-07-28 15:04:44,627 INFO L280 TraceCheckUtils]: 44: Hoare triple {4591#(<= 8640 ULTIMATE.start_main_~s__state~0)} assume !false; {4591#(<= 8640 ULTIMATE.start_main_~s__state~0)} is VALID [2020-07-28 15:04:44,627 INFO L280 TraceCheckUtils]: 45: Hoare triple {4591#(<= 8640 ULTIMATE.start_main_~s__state~0)} assume main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2; {4590#false} is VALID [2020-07-28 15:04:44,628 INFO L280 TraceCheckUtils]: 46: Hoare triple {4590#false} assume !false; {4590#false} is VALID [2020-07-28 15:04:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-28 15:04:44,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992153153] [2020-07-28 15:04:44,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:44,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:44,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621387285] [2020-07-28 15:04:44,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-28 15:04:44,632 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:44,632 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:44,659 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:44,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:44,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:44,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:44,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:44,660 INFO L87 Difference]: Start difference. First operand 258 states and 365 transitions. Second operand 3 states. [2020-07-28 15:04:44,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:44,991 INFO L93 Difference]: Finished difference Result 523 states and 752 transitions. [2020-07-28 15:04:44,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:44,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-28 15:04:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:44,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:44,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2020-07-28 15:04:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2020-07-28 15:04:44,995 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 154 transitions. [2020-07-28 15:04:45,160 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:45,164 INFO L225 Difference]: With dead ends: 523 [2020-07-28 15:04:45,165 INFO L226 Difference]: Without dead ends: 188 [2020-07-28 15:04:45,165 INFO L675 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 [2020-07-28 15:04:45,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-07-28 15:04:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2020-07-28 15:04:45,257 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:45,258 INFO L82 GeneralOperation]: Start isEquivalent. First operand 188 states. Second operand 185 states. [2020-07-28 15:04:45,258 INFO L74 IsIncluded]: Start isIncluded. First operand 188 states. Second operand 185 states. [2020-07-28 15:04:45,258 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 185 states. [2020-07-28 15:04:45,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:45,262 INFO L93 Difference]: Finished difference Result 188 states and 249 transitions. [2020-07-28 15:04:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2020-07-28 15:04:45,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:45,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:45,263 INFO L74 IsIncluded]: Start isIncluded. First operand 185 states. Second operand 188 states. [2020-07-28 15:04:45,263 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 188 states. [2020-07-28 15:04:45,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:45,268 INFO L93 Difference]: Finished difference Result 188 states and 249 transitions. [2020-07-28 15:04:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2020-07-28 15:04:45,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:45,269 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:45,269 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:45,269 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-07-28 15:04:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 244 transitions. [2020-07-28 15:04:45,274 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 244 transitions. Word has length 47 [2020-07-28 15:04:45,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:45,275 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 244 transitions. [2020-07-28 15:04:45,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 244 transitions. [2020-07-28 15:04:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-28 15:04:45,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:45,276 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:45,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 15:04:45,277 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:45,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:45,277 INFO L82 PathProgramCache]: Analyzing trace with hash -439474765, now seen corresponding path program 1 times [2020-07-28 15:04:45,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:45,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198566637] [2020-07-28 15:04:45,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:45,346 INFO L280 TraceCheckUtils]: 0: Hoare triple {5871#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_~s__state~0, main_~s__hit~0, main_~s__verify_mode~0, main_~s__session__peer~0, main_~s__s3__tmp__new_cipher__algorithms~0, main_~buf~0, main_~cb~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~s__verify_mode~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~s__session__peer~0 := main_#t~nondet2;havoc main_#t~nondet2;assume -2147483648 <= main_#t~nondet3 && main_#t~nondet3 <= 2147483647;main_~s__s3__tmp__new_cipher__algorithms~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~buf~0;havoc main_~cb~0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {5871#true} is VALID [2020-07-28 15:04:45,347 INFO L280 TraceCheckUtils]: 1: Hoare triple {5871#true} assume !false; {5871#true} is VALID [2020-07-28 15:04:45,347 INFO L280 TraceCheckUtils]: 2: Hoare triple {5871#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {5871#true} is VALID [2020-07-28 15:04:45,347 INFO L280 TraceCheckUtils]: 3: Hoare triple {5871#true} assume 8466 == main_~s__state~0; {5871#true} is VALID [2020-07-28 15:04:45,347 INFO L280 TraceCheckUtils]: 4: Hoare triple {5871#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 1; {5871#true} is VALID [2020-07-28 15:04:45,348 INFO L280 TraceCheckUtils]: 5: Hoare triple {5871#true} main_~s__state~0 := 8496; {5871#true} is VALID [2020-07-28 15:04:45,348 INFO L280 TraceCheckUtils]: 6: Hoare triple {5871#true} assume !false; {5871#true} is VALID [2020-07-28 15:04:45,348 INFO L280 TraceCheckUtils]: 7: Hoare triple {5871#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {5871#true} is VALID [2020-07-28 15:04:45,348 INFO L280 TraceCheckUtils]: 8: Hoare triple {5871#true} assume !(8466 == main_~s__state~0); {5871#true} is VALID [2020-07-28 15:04:45,348 INFO L280 TraceCheckUtils]: 9: Hoare triple {5871#true} assume 8496 == main_~s__state~0; {5871#true} is VALID [2020-07-28 15:04:45,349 INFO L280 TraceCheckUtils]: 10: Hoare triple {5871#true} assume 1 == main_~blastFlag~0;main_~blastFlag~0 := 2; {5871#true} is VALID [2020-07-28 15:04:45,349 INFO L280 TraceCheckUtils]: 11: Hoare triple {5871#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,350 INFO L280 TraceCheckUtils]: 12: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !false; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,351 INFO L280 TraceCheckUtils]: 13: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,353 INFO L280 TraceCheckUtils]: 14: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8466 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,355 INFO L280 TraceCheckUtils]: 15: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8496 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,357 INFO L280 TraceCheckUtils]: 16: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8512 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,359 INFO L280 TraceCheckUtils]: 17: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8528 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,360 INFO L280 TraceCheckUtils]: 18: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8544 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,361 INFO L280 TraceCheckUtils]: 19: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8560 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,362 INFO L280 TraceCheckUtils]: 20: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8576 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,362 INFO L280 TraceCheckUtils]: 21: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8592 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,363 INFO L280 TraceCheckUtils]: 22: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8608 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,364 INFO L280 TraceCheckUtils]: 23: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8640 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,364 INFO L280 TraceCheckUtils]: 24: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 8656 == main_~s__state~0; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,365 INFO L280 TraceCheckUtils]: 25: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 2 == main_~blastFlag~0;main_~blastFlag~0 := 3; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,366 INFO L280 TraceCheckUtils]: 26: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} main_~s__state~0 := 8672; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,367 INFO L280 TraceCheckUtils]: 27: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !false; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,368 INFO L280 TraceCheckUtils]: 28: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,369 INFO L280 TraceCheckUtils]: 29: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8466 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,369 INFO L280 TraceCheckUtils]: 30: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8496 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,370 INFO L280 TraceCheckUtils]: 31: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8512 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,371 INFO L280 TraceCheckUtils]: 32: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8528 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,372 INFO L280 TraceCheckUtils]: 33: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8544 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,373 INFO L280 TraceCheckUtils]: 34: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8560 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,373 INFO L280 TraceCheckUtils]: 35: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8576 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,374 INFO L280 TraceCheckUtils]: 36: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8592 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,375 INFO L280 TraceCheckUtils]: 37: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8608 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,376 INFO L280 TraceCheckUtils]: 38: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8640 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,377 INFO L280 TraceCheckUtils]: 39: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8656 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,377 INFO L280 TraceCheckUtils]: 40: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 8672 == main_~s__state~0; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,378 INFO L280 TraceCheckUtils]: 41: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(4 == main_~blastFlag~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,379 INFO L280 TraceCheckUtils]: 42: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(5 == main_~blastFlag~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,380 INFO L280 TraceCheckUtils]: 43: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 0 != main_~s__hit~0;main_~s__state~0 := 8640; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,381 INFO L280 TraceCheckUtils]: 44: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !false; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,382 INFO L280 TraceCheckUtils]: 45: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,382 INFO L280 TraceCheckUtils]: 46: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8466 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,383 INFO L280 TraceCheckUtils]: 47: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8496 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,384 INFO L280 TraceCheckUtils]: 48: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8512 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,385 INFO L280 TraceCheckUtils]: 49: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8528 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,386 INFO L280 TraceCheckUtils]: 50: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8544 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,387 INFO L280 TraceCheckUtils]: 51: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8560 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,387 INFO L280 TraceCheckUtils]: 52: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8576 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,388 INFO L280 TraceCheckUtils]: 53: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8592 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,389 INFO L280 TraceCheckUtils]: 54: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8608 == main_~s__state~0); {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,390 INFO L280 TraceCheckUtils]: 55: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 8640 == main_~s__state~0; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,391 INFO L280 TraceCheckUtils]: 56: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 3 == main_~blastFlag~0;main_~blastFlag~0 := 4; {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:45,391 INFO L280 TraceCheckUtils]: 57: Hoare triple {5873#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(0 != main_~s__hit~0);main_~s__state~0 := 8656; {5872#false} is VALID [2020-07-28 15:04:45,392 INFO L280 TraceCheckUtils]: 58: Hoare triple {5872#false} assume !false; {5872#false} is VALID [2020-07-28 15:04:45,392 INFO L280 TraceCheckUtils]: 59: Hoare triple {5872#false} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {5872#false} is VALID [2020-07-28 15:04:45,392 INFO L280 TraceCheckUtils]: 60: Hoare triple {5872#false} assume !(8466 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,393 INFO L280 TraceCheckUtils]: 61: Hoare triple {5872#false} assume !(8496 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,393 INFO L280 TraceCheckUtils]: 62: Hoare triple {5872#false} assume !(8512 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,393 INFO L280 TraceCheckUtils]: 63: Hoare triple {5872#false} assume !(8528 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,393 INFO L280 TraceCheckUtils]: 64: Hoare triple {5872#false} assume !(8544 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,394 INFO L280 TraceCheckUtils]: 65: Hoare triple {5872#false} assume !(8560 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,394 INFO L280 TraceCheckUtils]: 66: Hoare triple {5872#false} assume !(8576 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,394 INFO L280 TraceCheckUtils]: 67: Hoare triple {5872#false} assume !(8592 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,394 INFO L280 TraceCheckUtils]: 68: Hoare triple {5872#false} assume !(8608 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,395 INFO L280 TraceCheckUtils]: 69: Hoare triple {5872#false} assume !(8640 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,395 INFO L280 TraceCheckUtils]: 70: Hoare triple {5872#false} assume !(8656 == main_~s__state~0); {5872#false} is VALID [2020-07-28 15:04:45,396 INFO L280 TraceCheckUtils]: 71: Hoare triple {5872#false} assume 8672 == main_~s__state~0; {5872#false} is VALID [2020-07-28 15:04:45,396 INFO L280 TraceCheckUtils]: 72: Hoare triple {5872#false} assume !(4 == main_~blastFlag~0); {5872#false} is VALID [2020-07-28 15:04:45,396 INFO L280 TraceCheckUtils]: 73: Hoare triple {5872#false} assume 5 == main_~blastFlag~0; {5872#false} is VALID [2020-07-28 15:04:45,397 INFO L280 TraceCheckUtils]: 74: Hoare triple {5872#false} assume !false; {5872#false} is VALID [2020-07-28 15:04:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-28 15:04:45,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198566637] [2020-07-28 15:04:45,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:45,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:45,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778697842] [2020-07-28 15:04:45,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-28 15:04:45,427 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:45,428 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:45,477 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:45,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:45,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:45,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:45,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:45,478 INFO L87 Difference]: Start difference. First operand 185 states and 244 transitions. Second operand 3 states. [2020-07-28 15:04:45,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:45,641 INFO L93 Difference]: Finished difference Result 306 states and 375 transitions. [2020-07-28 15:04:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:45,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-28 15:04:45,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:45,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2020-07-28 15:04:45,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:45,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2020-07-28 15:04:45,643 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 113 transitions. [2020-07-28 15:04:45,739 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:45,740 INFO L225 Difference]: With dead ends: 306 [2020-07-28 15:04:45,740 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 15:04:45,741 INFO L675 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 [2020-07-28 15:04:45,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 15:04:45,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 15:04:45,742 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:45,742 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:45,742 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:45,742 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:45,742 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 15:04:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 15:04:45,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:45,743 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:45,743 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:45,743 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:45,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:45,744 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 15:04:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 15:04:45,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:45,745 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:45,745 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:45,745 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 15:04:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 15:04:45,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2020-07-28 15:04:45,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:45,746 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 15:04:45,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 15:04:45,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:45,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 15:04:45,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 15:04:46,050 INFO L268 CegarLoopResult]: For program point L60(lines 60 189) no Hoare annotation was computed. [2020-07-28 15:04:46,050 INFO L268 CegarLoopResult]: For program point L151-1(lines 74 183) no Hoare annotation was computed. [2020-07-28 15:04:46,050 INFO L268 CegarLoopResult]: For program point L52(lines 52 193) no Hoare annotation was computed. [2020-07-28 15:04:46,051 INFO L268 CegarLoopResult]: For program point L85-1(lines 74 183) no Hoare annotation was computed. [2020-07-28 15:04:46,051 INFO L264 CegarLoopResult]: At program point L176(lines 22 211) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~blastFlag~0 3))) (or (<= ULTIMATE.start_main_~blastFlag~0 2) (and (not (= 0 ULTIMATE.start_main_~s__hit~0)) (<= 8640 ULTIMATE.start_main_~s__state~0) .cse0) (and (<= 8672 ULTIMATE.start_main_~s__state~0) .cse0))) [2020-07-28 15:04:46,051 INFO L268 CegarLoopResult]: For program point L44(lines 44 197) no Hoare annotation was computed. [2020-07-28 15:04:46,051 INFO L268 CegarLoopResult]: For program point L135(lines 135 139) no Hoare annotation was computed. [2020-07-28 15:04:46,051 INFO L264 CegarLoopResult]: At program point L69(lines 68 185) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and (<= ULTIMATE.start_main_~blastFlag~0 2) .cse0) (and (not (= 0 ULTIMATE.start_main_~s__hit~0)) .cse0 (<= ULTIMATE.start_main_~blastFlag~0 3)))) [2020-07-28 15:04:46,051 INFO L268 CegarLoopResult]: For program point L36(lines 36 201) no Hoare annotation was computed. [2020-07-28 15:04:46,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 15:04:46,052 INFO L264 CegarLoopResult]: At program point L61(lines 60 189) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 15:04:46,052 INFO L264 CegarLoopResult]: At program point L53(lines 52 193) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,052 INFO L264 CegarLoopResult]: At program point L45(lines 44 197) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,052 INFO L268 CegarLoopResult]: For program point L78-1(lines 78 80) no Hoare annotation was computed. [2020-07-28 15:04:46,053 INFO L268 CegarLoopResult]: For program point L169-1(lines 74 183) no Hoare annotation was computed. [2020-07-28 15:04:46,053 INFO L264 CegarLoopResult]: At program point L37(lines 36 201) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,053 INFO L268 CegarLoopResult]: For program point L29(lines 29 204) no Hoare annotation was computed. [2020-07-28 15:04:46,053 INFO L264 CegarLoopResult]: At program point L120(lines 113 122) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,053 INFO L264 CegarLoopResult]: At program point L112(lines 105 123) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,053 INFO L268 CegarLoopResult]: For program point L162-1(lines 162 164) no Hoare annotation was computed. [2020-07-28 15:04:46,053 INFO L264 CegarLoopResult]: At program point L30(lines 29 204) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,054 INFO L268 CegarLoopResult]: For program point L105(lines 105 123) no Hoare annotation was computed. [2020-07-28 15:04:46,054 INFO L268 CegarLoopResult]: For program point L72(lines 72 183) no Hoare annotation was computed. [2020-07-28 15:04:46,054 INFO L268 CegarLoopResult]: For program point L64(lines 64 187) no Hoare annotation was computed. [2020-07-28 15:04:46,054 INFO L268 CegarLoopResult]: For program point L56(lines 56 191) no Hoare annotation was computed. [2020-07-28 15:04:46,054 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-07-28 15:04:46,054 INFO L271 CegarLoopResult]: At program point L213(lines 8 217) the Hoare annotation is: true [2020-07-28 15:04:46,054 INFO L268 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-07-28 15:04:46,054 INFO L268 CegarLoopResult]: For program point L48(lines 48 195) no Hoare annotation was computed. [2020-07-28 15:04:46,054 INFO L268 CegarLoopResult]: For program point L172(lines 172 174) no Hoare annotation was computed. [2020-07-28 15:04:46,055 INFO L268 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-07-28 15:04:46,055 INFO L264 CegarLoopResult]: At program point L73(lines 72 183) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_main_~s__state~0) (<= ULTIMATE.start_main_~blastFlag~0 3)) [2020-07-28 15:04:46,055 INFO L268 CegarLoopResult]: For program point L40(lines 40 199) no Hoare annotation was computed. [2020-07-28 15:04:46,055 INFO L264 CegarLoopResult]: At program point L65(lines 64 187) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and (<= ULTIMATE.start_main_~blastFlag~0 2) .cse0) (and (not (= 0 ULTIMATE.start_main_~s__hit~0)) .cse0 (<= ULTIMATE.start_main_~blastFlag~0 3)))) [2020-07-28 15:04:46,055 INFO L268 CegarLoopResult]: For program point L32(lines 32 203) no Hoare annotation was computed. [2020-07-28 15:04:46,055 INFO L264 CegarLoopResult]: At program point L57(lines 56 191) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,055 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed. [2020-07-28 15:04:46,055 INFO L264 CegarLoopResult]: At program point L49(lines 48 195) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,056 INFO L264 CegarLoopResult]: At program point L173(lines 8 217) the Hoare annotation is: false [2020-07-28 15:04:46,056 INFO L264 CegarLoopResult]: At program point L41(lines 40 199) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,056 INFO L264 CegarLoopResult]: At program point L33(lines 32 203) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:46,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 15:04:46,056 INFO L271 CegarLoopResult]: At program point L216(lines 8 217) the Hoare annotation is: true [2020-07-28 15:04:46,056 INFO L268 CegarLoopResult]: For program point L68(lines 68 185) no Hoare annotation was computed. [2020-07-28 15:04:46,060 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 15:04:46,060 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 15:04:46,060 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 15:04:46,060 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 15:04:46,060 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 15:04:46,060 WARN L170 areAnnotationChecker]: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L78-1 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L78-1 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L78-1 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 15:04:46,061 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 15:04:46,062 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 15:04:46,062 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 15:04:46,062 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 15:04:46,064 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-28 15:04:46,064 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-28 15:04:46,065 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 15:04:46,065 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 15:04:46,065 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-28 15:04:46,066 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 15:04:46,066 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 15:04:46,066 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-28 15:04:46,066 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 15:04:46,067 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 15:04:46,068 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 15:04:46,073 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 15:04:46,073 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 15:04:46,074 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-28 15:04:46,074 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L151-1 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L151-1 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L151-1 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L151-1 has no Hoare annotation [2020-07-28 15:04:46,079 WARN L170 areAnnotationChecker]: L162-1 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L162-1 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L162-1 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 15:04:46,080 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 15:04:46,081 INFO L163 areAnnotationChecker]: CFG has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 15:04:46,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 03:04:46 BoogieIcfgContainer [2020-07-28 15:04:46,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 15:04:46,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 15:04:46,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 15:04:46,098 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 15:04:46,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 03:04:40" (3/4) ... [2020-07-28 15:04:46,104 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 15:04:46,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 15:04:46,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 15:04:46,188 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 15:04:46,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 15:04:46,191 INFO L168 Benchmark]: Toolchain (without parser) took 6772.91 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 961.6 MB in the beginning and 1.2 GB in the end (delta: -232.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:46,192 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 15:04:46,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.48 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:46,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:46,193 INFO L168 Benchmark]: Boogie Preprocessor took 30.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 15:04:46,194 INFO L168 Benchmark]: RCFGBuilder took 524.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:46,194 INFO L168 Benchmark]: TraceAbstraction took 5679.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.6 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:46,195 INFO L168 Benchmark]: Witness Printer took 90.81 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 15:04:46,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.48 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 524.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5679.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.6 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. * Witness Printer took 90.81 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 215]: 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: 36]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && 8640 <= s__state) || ((!(0 == s__hit) && 8640 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (blastFlag <= 2 || ((!(0 == s__hit) && 8640 <= s__state) && blastFlag <= 3)) || (8672 <= s__state && blastFlag <= 3) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 8672 <= s__state && blastFlag <= 3 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && 8640 <= s__state) || ((!(0 == s__hit) && 8640 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: blastFlag <= 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 251 SDslu, 292 SDs, 0 SdLazy, 196 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 85 NumberOfFragments, 103 HoareAnnotationTreeSize, 18 FomulaSimplifications, 585 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 22669 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 202/202 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...