/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:14:43,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:14:43,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:14:43,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:14:43,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:14:43,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:14:43,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:14:43,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:14:43,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:14:43,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:14:43,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:14:43,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:14:43,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:14:43,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:14:43,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:14:43,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:14:43,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:14:43,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:14:43,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:14:43,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:14:43,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:14:43,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:14:43,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:14:43,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:14:43,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 22:14:43,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 22:14:43,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 22:14:43,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 22:14:43,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 22:14:43,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 22:14:43,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:14:43,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:14:43,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:14:43,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:14:43,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:14:43,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:14:43,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:14:43,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:14:43,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:14:43,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:14:43,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:14:43,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 22:14:43,412 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:14:43,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:14:43,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:14:43,414 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:14:43,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:14:43,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:14:43,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:14:43,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:14:43,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:14:43,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:14:43,415 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:14:43,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:14:43,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:14:43,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:14:43,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:14:43,416 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:14:43,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:14:43,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:14:43,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:14:43,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:14:43,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:14:43,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:14:43,418 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 22:14:43,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:14:43,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:14:43,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:14:43,704 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:14:43,704 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:14:43,705 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c [2020-07-08 22:14:43,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d048fa710/d117fb04f1594c6e8be5ef1b2d9aec5e/FLAGff7cf96e3 [2020-07-08 22:14:44,296 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:14:44,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c [2020-07-08 22:14:44,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d048fa710/d117fb04f1594c6e8be5ef1b2d9aec5e/FLAGff7cf96e3 [2020-07-08 22:14:44,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d048fa710/d117fb04f1594c6e8be5ef1b2d9aec5e [2020-07-08 22:14:44,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:14:44,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:14:44,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:14:44,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:14:44,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:14:44,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:14:44" (1/1) ... [2020-07-08 22:14:44,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7054159d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:44, skipping insertion in model container [2020-07-08 22:14:44,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:14:44" (1/1) ... [2020-07-08 22:14:44,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:14:44,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:14:44,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:14:44,983 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:14:45,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:14:45,136 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:14:45,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45 WrapperNode [2020-07-08 22:14:45,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:14:45,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:14:45,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:14:45,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:14:45,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (1/1) ... [2020-07-08 22:14:45,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (1/1) ... [2020-07-08 22:14:45,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (1/1) ... [2020-07-08 22:14:45,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (1/1) ... [2020-07-08 22:14:45,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (1/1) ... [2020-07-08 22:14:45,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (1/1) ... [2020-07-08 22:14:45,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (1/1) ... [2020-07-08 22:14:45,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:14:45,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:14:45,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:14:45,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:14:45,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:14:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:14:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:14:45,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:14:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:14:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-08 22:14:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 22:14:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-08 22:14:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:14:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:14:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:14:45,794 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:14:45,795 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-08 22:14:45,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:14:45 BoogieIcfgContainer [2020-07-08 22:14:45,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:14:45,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:14:45,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:14:45,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:14:45,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:14:44" (1/3) ... [2020-07-08 22:14:45,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d336812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:14:45, skipping insertion in model container [2020-07-08 22:14:45,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:14:45" (2/3) ... [2020-07-08 22:14:45,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d336812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:14:45, skipping insertion in model container [2020-07-08 22:14:45,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:14:45" (3/3) ... [2020-07-08 22:14:45,810 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c [2020-07-08 22:14:45,821 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:14:45,829 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:14:45,844 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:14:45,867 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:14:45,867 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:14:45,867 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:14:45,868 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:14:45,868 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:14:45,868 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:14:45,868 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:14:45,869 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:14:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2020-07-08 22:14:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-08 22:14:45,897 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:14:45,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:14:45,899 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:14:45,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:14:45,906 INFO L82 PathProgramCache]: Analyzing trace with hash 766781838, now seen corresponding path program 1 times [2020-07-08 22:14:45,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:14:45,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625506288] [2020-07-08 22:14:45,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:14:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:46,097 INFO L280 TraceCheckUtils]: 0: Hoare triple {88#true} assume true; {88#true} is VALID [2020-07-08 22:14:46,098 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {88#true} {88#true} #232#return; {88#true} is VALID [2020-07-08 22:14:46,100 INFO L263 TraceCheckUtils]: 0: Hoare triple {88#true} call ULTIMATE.init(); {88#true} is VALID [2020-07-08 22:14:46,101 INFO L280 TraceCheckUtils]: 1: Hoare triple {88#true} assume true; {88#true} is VALID [2020-07-08 22:14:46,101 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {88#true} {88#true} #232#return; {88#true} is VALID [2020-07-08 22:14:46,102 INFO L263 TraceCheckUtils]: 3: Hoare triple {88#true} call #t~ret5 := main(); {88#true} is VALID [2020-07-08 22:14:46,102 INFO L280 TraceCheckUtils]: 4: Hoare triple {88#true} havoc ~s__state~0; {88#true} is VALID [2020-07-08 22:14:46,103 INFO L280 TraceCheckUtils]: 5: Hoare triple {88#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {88#true} is VALID [2020-07-08 22:14:46,103 INFO L280 TraceCheckUtils]: 6: Hoare triple {88#true} ~s__hit~0 := #t~nondet0; {88#true} is VALID [2020-07-08 22:14:46,104 INFO L280 TraceCheckUtils]: 7: Hoare triple {88#true} havoc #t~nondet0; {88#true} is VALID [2020-07-08 22:14:46,104 INFO L280 TraceCheckUtils]: 8: Hoare triple {88#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {88#true} is VALID [2020-07-08 22:14:46,104 INFO L280 TraceCheckUtils]: 9: Hoare triple {88#true} ~s__verify_mode~0 := #t~nondet1; {88#true} is VALID [2020-07-08 22:14:46,105 INFO L280 TraceCheckUtils]: 10: Hoare triple {88#true} havoc #t~nondet1; {88#true} is VALID [2020-07-08 22:14:46,105 INFO L280 TraceCheckUtils]: 11: Hoare triple {88#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {88#true} is VALID [2020-07-08 22:14:46,105 INFO L280 TraceCheckUtils]: 12: Hoare triple {88#true} ~s__session__peer~0 := #t~nondet2; {88#true} is VALID [2020-07-08 22:14:46,106 INFO L280 TraceCheckUtils]: 13: Hoare triple {88#true} havoc #t~nondet2; {88#true} is VALID [2020-07-08 22:14:46,106 INFO L280 TraceCheckUtils]: 14: Hoare triple {88#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {88#true} is VALID [2020-07-08 22:14:46,107 INFO L280 TraceCheckUtils]: 15: Hoare triple {88#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {88#true} is VALID [2020-07-08 22:14:46,107 INFO L280 TraceCheckUtils]: 16: Hoare triple {88#true} havoc #t~nondet3; {88#true} is VALID [2020-07-08 22:14:46,107 INFO L280 TraceCheckUtils]: 17: Hoare triple {88#true} havoc ~buf~0; {88#true} is VALID [2020-07-08 22:14:46,108 INFO L280 TraceCheckUtils]: 18: Hoare triple {88#true} havoc ~cb~0; {88#true} is VALID [2020-07-08 22:14:46,108 INFO L280 TraceCheckUtils]: 19: Hoare triple {88#true} havoc ~blastFlag~0; {88#true} is VALID [2020-07-08 22:14:46,108 INFO L280 TraceCheckUtils]: 20: Hoare triple {88#true} havoc ~tmp___1~0; {88#true} is VALID [2020-07-08 22:14:46,109 INFO L280 TraceCheckUtils]: 21: Hoare triple {88#true} ~s__state~0 := 8466; {88#true} is VALID [2020-07-08 22:14:46,110 INFO L280 TraceCheckUtils]: 22: Hoare triple {88#true} ~blastFlag~0 := 0; {92#(<= main_~blastFlag~0 0)} is VALID [2020-07-08 22:14:46,111 INFO L280 TraceCheckUtils]: 23: Hoare triple {92#(<= main_~blastFlag~0 0)} assume !false; {92#(<= main_~blastFlag~0 0)} is VALID [2020-07-08 22:14:46,113 INFO L280 TraceCheckUtils]: 24: Hoare triple {92#(<= main_~blastFlag~0 0)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {89#false} is VALID [2020-07-08 22:14:46,113 INFO L280 TraceCheckUtils]: 25: Hoare triple {89#false} assume !false; {89#false} is VALID [2020-07-08 22:14:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:14:46,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625506288] [2020-07-08 22:14:46,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:14:46,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 22:14:46,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251908120] [2020-07-08 22:14:46,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-08 22:14:46,131 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:14:46,135 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 22:14:46,177 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:46,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 22:14:46,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:14:46,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 22:14:46,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:46,189 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states. [2020-07-08 22:14:46,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:46,705 INFO L93 Difference]: Finished difference Result 198 states and 286 transitions. [2020-07-08 22:14:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 22:14:46,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-08 22:14:46,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:14:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-08 22:14:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-08 22:14:46,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 286 transitions. [2020-07-08 22:14:47,077 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 286 edges. 286 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:47,095 INFO L225 Difference]: With dead ends: 198 [2020-07-08 22:14:47,095 INFO L226 Difference]: Without dead ends: 128 [2020-07-08 22:14:47,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:47,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-08 22:14:47,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-08 22:14:47,255 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:14:47,256 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand 128 states. [2020-07-08 22:14:47,257 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 128 states. [2020-07-08 22:14:47,257 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 128 states. [2020-07-08 22:14:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:47,272 INFO L93 Difference]: Finished difference Result 128 states and 171 transitions. [2020-07-08 22:14:47,272 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2020-07-08 22:14:47,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:47,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:47,276 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 128 states. [2020-07-08 22:14:47,276 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 128 states. [2020-07-08 22:14:47,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:47,302 INFO L93 Difference]: Finished difference Result 128 states and 171 transitions. [2020-07-08 22:14:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2020-07-08 22:14:47,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:47,309 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:47,309 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:14:47,309 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:14:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-08 22:14:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions. [2020-07-08 22:14:47,319 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 26 [2020-07-08 22:14:47,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:14:47,319 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions. [2020-07-08 22:14:47,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 22:14:47,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 128 states and 171 transitions. [2020-07-08 22:14:47,523 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2020-07-08 22:14:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-08 22:14:47,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:14:47,525 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:14:47,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:14:47,526 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:14:47,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:14:47,526 INFO L82 PathProgramCache]: Analyzing trace with hash -184994456, now seen corresponding path program 1 times [2020-07-08 22:14:47,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:14:47,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323274287] [2020-07-08 22:14:47,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:14:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:47,583 INFO L280 TraceCheckUtils]: 0: Hoare triple {1003#true} assume true; {1003#true} is VALID [2020-07-08 22:14:47,583 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1003#true} {1003#true} #232#return; {1003#true} is VALID [2020-07-08 22:14:47,583 INFO L263 TraceCheckUtils]: 0: Hoare triple {1003#true} call ULTIMATE.init(); {1003#true} is VALID [2020-07-08 22:14:47,584 INFO L280 TraceCheckUtils]: 1: Hoare triple {1003#true} assume true; {1003#true} is VALID [2020-07-08 22:14:47,584 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1003#true} {1003#true} #232#return; {1003#true} is VALID [2020-07-08 22:14:47,584 INFO L263 TraceCheckUtils]: 3: Hoare triple {1003#true} call #t~ret5 := main(); {1003#true} is VALID [2020-07-08 22:14:47,585 INFO L280 TraceCheckUtils]: 4: Hoare triple {1003#true} havoc ~s__state~0; {1003#true} is VALID [2020-07-08 22:14:47,585 INFO L280 TraceCheckUtils]: 5: Hoare triple {1003#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1003#true} is VALID [2020-07-08 22:14:47,585 INFO L280 TraceCheckUtils]: 6: Hoare triple {1003#true} ~s__hit~0 := #t~nondet0; {1003#true} is VALID [2020-07-08 22:14:47,586 INFO L280 TraceCheckUtils]: 7: Hoare triple {1003#true} havoc #t~nondet0; {1003#true} is VALID [2020-07-08 22:14:47,586 INFO L280 TraceCheckUtils]: 8: Hoare triple {1003#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1003#true} is VALID [2020-07-08 22:14:47,586 INFO L280 TraceCheckUtils]: 9: Hoare triple {1003#true} ~s__verify_mode~0 := #t~nondet1; {1003#true} is VALID [2020-07-08 22:14:47,587 INFO L280 TraceCheckUtils]: 10: Hoare triple {1003#true} havoc #t~nondet1; {1003#true} is VALID [2020-07-08 22:14:47,587 INFO L280 TraceCheckUtils]: 11: Hoare triple {1003#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1003#true} is VALID [2020-07-08 22:14:47,587 INFO L280 TraceCheckUtils]: 12: Hoare triple {1003#true} ~s__session__peer~0 := #t~nondet2; {1003#true} is VALID [2020-07-08 22:14:47,588 INFO L280 TraceCheckUtils]: 13: Hoare triple {1003#true} havoc #t~nondet2; {1003#true} is VALID [2020-07-08 22:14:47,588 INFO L280 TraceCheckUtils]: 14: Hoare triple {1003#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1003#true} is VALID [2020-07-08 22:14:47,588 INFO L280 TraceCheckUtils]: 15: Hoare triple {1003#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {1003#true} is VALID [2020-07-08 22:14:47,588 INFO L280 TraceCheckUtils]: 16: Hoare triple {1003#true} havoc #t~nondet3; {1003#true} is VALID [2020-07-08 22:14:47,589 INFO L280 TraceCheckUtils]: 17: Hoare triple {1003#true} havoc ~buf~0; {1003#true} is VALID [2020-07-08 22:14:47,589 INFO L280 TraceCheckUtils]: 18: Hoare triple {1003#true} havoc ~cb~0; {1003#true} is VALID [2020-07-08 22:14:47,589 INFO L280 TraceCheckUtils]: 19: Hoare triple {1003#true} havoc ~blastFlag~0; {1003#true} is VALID [2020-07-08 22:14:47,590 INFO L280 TraceCheckUtils]: 20: Hoare triple {1003#true} havoc ~tmp___1~0; {1003#true} is VALID [2020-07-08 22:14:47,590 INFO L280 TraceCheckUtils]: 21: Hoare triple {1003#true} ~s__state~0 := 8466; {1003#true} is VALID [2020-07-08 22:14:47,590 INFO L280 TraceCheckUtils]: 22: Hoare triple {1003#true} ~blastFlag~0 := 0; {1003#true} is VALID [2020-07-08 22:14:47,590 INFO L280 TraceCheckUtils]: 23: Hoare triple {1003#true} assume !false; {1003#true} is VALID [2020-07-08 22:14:47,591 INFO L280 TraceCheckUtils]: 24: Hoare triple {1003#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {1003#true} is VALID [2020-07-08 22:14:47,591 INFO L280 TraceCheckUtils]: 25: Hoare triple {1003#true} assume 8466 == ~s__state~0; {1003#true} is VALID [2020-07-08 22:14:47,591 INFO L280 TraceCheckUtils]: 26: Hoare triple {1003#true} assume 0 == ~blastFlag~0; {1003#true} is VALID [2020-07-08 22:14:47,592 INFO L280 TraceCheckUtils]: 27: Hoare triple {1003#true} ~blastFlag~0 := 1; {1007#(<= main_~blastFlag~0 1)} is VALID [2020-07-08 22:14:47,594 INFO L280 TraceCheckUtils]: 28: Hoare triple {1007#(<= main_~blastFlag~0 1)} ~s__state~0 := 8496; {1007#(<= main_~blastFlag~0 1)} is VALID [2020-07-08 22:14:47,597 INFO L280 TraceCheckUtils]: 29: Hoare triple {1007#(<= main_~blastFlag~0 1)} assume !false; {1007#(<= main_~blastFlag~0 1)} is VALID [2020-07-08 22:14:47,598 INFO L280 TraceCheckUtils]: 30: Hoare triple {1007#(<= main_~blastFlag~0 1)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {1004#false} is VALID [2020-07-08 22:14:47,598 INFO L280 TraceCheckUtils]: 31: Hoare triple {1004#false} assume !false; {1004#false} is VALID [2020-07-08 22:14:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:14:47,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323274287] [2020-07-08 22:14:47,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:14:47,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 22:14:47,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592578842] [2020-07-08 22:14:47,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-08 22:14:47,603 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:14:47,603 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 22:14:47,633 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:47,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 22:14:47,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:14:47,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 22:14:47,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:47,634 INFO L87 Difference]: Start difference. First operand 128 states and 171 transitions. Second operand 3 states. [2020-07-08 22:14:47,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:47,991 INFO L93 Difference]: Finished difference Result 233 states and 325 transitions. [2020-07-08 22:14:47,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 22:14:47,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-08 22:14:47,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:14:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-07-08 22:14:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-07-08 22:14:48,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 257 transitions. [2020-07-08 22:14:48,286 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 257 edges. 257 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:48,300 INFO L225 Difference]: With dead ends: 233 [2020-07-08 22:14:48,300 INFO L226 Difference]: Without dead ends: 177 [2020-07-08 22:14:48,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:48,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-08 22:14:48,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-07-08 22:14:48,463 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:14:48,463 INFO L82 GeneralOperation]: Start isEquivalent. First operand 177 states. Second operand 177 states. [2020-07-08 22:14:48,463 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand 177 states. [2020-07-08 22:14:48,463 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 177 states. [2020-07-08 22:14:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:48,477 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2020-07-08 22:14:48,478 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2020-07-08 22:14:48,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:48,479 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:48,479 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand 177 states. [2020-07-08 22:14:48,480 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 177 states. [2020-07-08 22:14:48,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:48,493 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2020-07-08 22:14:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2020-07-08 22:14:48,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:48,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:48,494 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:14:48,494 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:14:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-07-08 22:14:48,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions. [2020-07-08 22:14:48,507 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 240 transitions. Word has length 32 [2020-07-08 22:14:48,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:14:48,507 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 240 transitions. [2020-07-08 22:14:48,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 22:14:48,508 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 177 states and 240 transitions. [2020-07-08 22:14:48,764 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 240 edges. 240 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:48,765 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2020-07-08 22:14:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-08 22:14:48,767 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:14:48,767 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:14:48,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:14:48,768 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:14:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:14:48,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1532764802, now seen corresponding path program 1 times [2020-07-08 22:14:48,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:14:48,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386686359] [2020-07-08 22:14:48,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:14:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:48,844 INFO L280 TraceCheckUtils]: 0: Hoare triple {2184#true} assume true; {2184#true} is VALID [2020-07-08 22:14:48,844 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2184#true} {2184#true} #232#return; {2184#true} is VALID [2020-07-08 22:14:48,845 INFO L263 TraceCheckUtils]: 0: Hoare triple {2184#true} call ULTIMATE.init(); {2184#true} is VALID [2020-07-08 22:14:48,845 INFO L280 TraceCheckUtils]: 1: Hoare triple {2184#true} assume true; {2184#true} is VALID [2020-07-08 22:14:48,845 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2184#true} {2184#true} #232#return; {2184#true} is VALID [2020-07-08 22:14:48,845 INFO L263 TraceCheckUtils]: 3: Hoare triple {2184#true} call #t~ret5 := main(); {2184#true} is VALID [2020-07-08 22:14:48,846 INFO L280 TraceCheckUtils]: 4: Hoare triple {2184#true} havoc ~s__state~0; {2184#true} is VALID [2020-07-08 22:14:48,846 INFO L280 TraceCheckUtils]: 5: Hoare triple {2184#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2184#true} is VALID [2020-07-08 22:14:48,846 INFO L280 TraceCheckUtils]: 6: Hoare triple {2184#true} ~s__hit~0 := #t~nondet0; {2184#true} is VALID [2020-07-08 22:14:48,846 INFO L280 TraceCheckUtils]: 7: Hoare triple {2184#true} havoc #t~nondet0; {2184#true} is VALID [2020-07-08 22:14:48,847 INFO L280 TraceCheckUtils]: 8: Hoare triple {2184#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2184#true} is VALID [2020-07-08 22:14:48,847 INFO L280 TraceCheckUtils]: 9: Hoare triple {2184#true} ~s__verify_mode~0 := #t~nondet1; {2184#true} is VALID [2020-07-08 22:14:48,847 INFO L280 TraceCheckUtils]: 10: Hoare triple {2184#true} havoc #t~nondet1; {2184#true} is VALID [2020-07-08 22:14:48,848 INFO L280 TraceCheckUtils]: 11: Hoare triple {2184#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2184#true} is VALID [2020-07-08 22:14:48,848 INFO L280 TraceCheckUtils]: 12: Hoare triple {2184#true} ~s__session__peer~0 := #t~nondet2; {2184#true} is VALID [2020-07-08 22:14:48,848 INFO L280 TraceCheckUtils]: 13: Hoare triple {2184#true} havoc #t~nondet2; {2184#true} is VALID [2020-07-08 22:14:48,848 INFO L280 TraceCheckUtils]: 14: Hoare triple {2184#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2184#true} is VALID [2020-07-08 22:14:48,849 INFO L280 TraceCheckUtils]: 15: Hoare triple {2184#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {2184#true} is VALID [2020-07-08 22:14:48,849 INFO L280 TraceCheckUtils]: 16: Hoare triple {2184#true} havoc #t~nondet3; {2184#true} is VALID [2020-07-08 22:14:48,849 INFO L280 TraceCheckUtils]: 17: Hoare triple {2184#true} havoc ~buf~0; {2184#true} is VALID [2020-07-08 22:14:48,850 INFO L280 TraceCheckUtils]: 18: Hoare triple {2184#true} havoc ~cb~0; {2184#true} is VALID [2020-07-08 22:14:48,850 INFO L280 TraceCheckUtils]: 19: Hoare triple {2184#true} havoc ~blastFlag~0; {2184#true} is VALID [2020-07-08 22:14:48,850 INFO L280 TraceCheckUtils]: 20: Hoare triple {2184#true} havoc ~tmp___1~0; {2184#true} is VALID [2020-07-08 22:14:48,850 INFO L280 TraceCheckUtils]: 21: Hoare triple {2184#true} ~s__state~0 := 8466; {2184#true} is VALID [2020-07-08 22:14:48,851 INFO L280 TraceCheckUtils]: 22: Hoare triple {2184#true} ~blastFlag~0 := 0; {2184#true} is VALID [2020-07-08 22:14:48,851 INFO L280 TraceCheckUtils]: 23: Hoare triple {2184#true} assume !false; {2184#true} is VALID [2020-07-08 22:14:48,851 INFO L280 TraceCheckUtils]: 24: Hoare triple {2184#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {2184#true} is VALID [2020-07-08 22:14:48,852 INFO L280 TraceCheckUtils]: 25: Hoare triple {2184#true} assume 8466 == ~s__state~0; {2184#true} is VALID [2020-07-08 22:14:48,852 INFO L280 TraceCheckUtils]: 26: Hoare triple {2184#true} assume 0 == ~blastFlag~0; {2184#true} is VALID [2020-07-08 22:14:48,852 INFO L280 TraceCheckUtils]: 27: Hoare triple {2184#true} ~blastFlag~0 := 1; {2184#true} is VALID [2020-07-08 22:14:48,852 INFO L280 TraceCheckUtils]: 28: Hoare triple {2184#true} ~s__state~0 := 8496; {2184#true} is VALID [2020-07-08 22:14:48,853 INFO L280 TraceCheckUtils]: 29: Hoare triple {2184#true} assume !false; {2184#true} is VALID [2020-07-08 22:14:48,853 INFO L280 TraceCheckUtils]: 30: Hoare triple {2184#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {2184#true} is VALID [2020-07-08 22:14:48,853 INFO L280 TraceCheckUtils]: 31: Hoare triple {2184#true} assume !(8466 == ~s__state~0); {2184#true} is VALID [2020-07-08 22:14:48,854 INFO L280 TraceCheckUtils]: 32: Hoare triple {2184#true} assume 8496 == ~s__state~0; {2184#true} is VALID [2020-07-08 22:14:48,854 INFO L280 TraceCheckUtils]: 33: Hoare triple {2184#true} assume 1 == ~blastFlag~0; {2184#true} is VALID [2020-07-08 22:14:48,854 INFO L280 TraceCheckUtils]: 34: Hoare triple {2184#true} ~blastFlag~0 := 2; {2184#true} is VALID [2020-07-08 22:14:48,854 INFO L280 TraceCheckUtils]: 35: Hoare triple {2184#true} assume 0 != ~s__hit~0; {2184#true} is VALID [2020-07-08 22:14:48,855 INFO L280 TraceCheckUtils]: 36: Hoare triple {2184#true} ~s__state~0 := 8656; {2188#(<= 8656 main_~s__state~0)} is VALID [2020-07-08 22:14:48,857 INFO L280 TraceCheckUtils]: 37: Hoare triple {2188#(<= 8656 main_~s__state~0)} assume !false; {2188#(<= 8656 main_~s__state~0)} is VALID [2020-07-08 22:14:48,859 INFO L280 TraceCheckUtils]: 38: Hoare triple {2188#(<= 8656 main_~s__state~0)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {2185#false} is VALID [2020-07-08 22:14:48,860 INFO L280 TraceCheckUtils]: 39: Hoare triple {2185#false} assume !false; {2185#false} is VALID [2020-07-08 22:14:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-08 22:14:48,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386686359] [2020-07-08 22:14:48,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:14:48,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 22:14:48,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966266447] [2020-07-08 22:14:48,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-08 22:14:48,863 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:14:48,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 22:14:48,895 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:48,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 22:14:48,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:14:48,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 22:14:48,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:48,897 INFO L87 Difference]: Start difference. First operand 177 states and 240 transitions. Second operand 3 states. [2020-07-08 22:14:49,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:49,397 INFO L93 Difference]: Finished difference Result 375 states and 534 transitions. [2020-07-08 22:14:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 22:14:49,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-08 22:14:49,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:14:49,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-08 22:14:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-08 22:14:49,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 210 transitions. [2020-07-08 22:14:49,591 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:49,596 INFO L225 Difference]: With dead ends: 375 [2020-07-08 22:14:49,596 INFO L226 Difference]: Without dead ends: 221 [2020-07-08 22:14:49,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-08 22:14:49,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213. [2020-07-08 22:14:49,802 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:14:49,802 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 213 states. [2020-07-08 22:14:49,802 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 213 states. [2020-07-08 22:14:49,802 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 213 states. [2020-07-08 22:14:49,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:49,812 INFO L93 Difference]: Finished difference Result 221 states and 286 transitions. [2020-07-08 22:14:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 286 transitions. [2020-07-08 22:14:49,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:49,813 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:49,814 INFO L74 IsIncluded]: Start isIncluded. First operand 213 states. Second operand 221 states. [2020-07-08 22:14:49,814 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 221 states. [2020-07-08 22:14:49,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:49,823 INFO L93 Difference]: Finished difference Result 221 states and 286 transitions. [2020-07-08 22:14:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 286 transitions. [2020-07-08 22:14:49,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:49,824 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:49,824 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:14:49,825 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:14:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-07-08 22:14:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 276 transitions. [2020-07-08 22:14:49,833 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 276 transitions. Word has length 40 [2020-07-08 22:14:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:14:49,833 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 276 transitions. [2020-07-08 22:14:49,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 22:14:49,834 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 213 states and 276 transitions. [2020-07-08 22:14:50,144 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 276 edges. 276 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 276 transitions. [2020-07-08 22:14:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-08 22:14:50,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:14:50,147 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:14:50,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 22:14:50,147 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:14:50,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:14:50,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1529904866, now seen corresponding path program 1 times [2020-07-08 22:14:50,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:14:50,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352528541] [2020-07-08 22:14:50,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:14:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:50,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {3809#true} assume true; {3809#true} is VALID [2020-07-08 22:14:50,224 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3809#true} {3809#true} #232#return; {3809#true} is VALID [2020-07-08 22:14:50,224 INFO L263 TraceCheckUtils]: 0: Hoare triple {3809#true} call ULTIMATE.init(); {3809#true} is VALID [2020-07-08 22:14:50,224 INFO L280 TraceCheckUtils]: 1: Hoare triple {3809#true} assume true; {3809#true} is VALID [2020-07-08 22:14:50,224 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3809#true} {3809#true} #232#return; {3809#true} is VALID [2020-07-08 22:14:50,225 INFO L263 TraceCheckUtils]: 3: Hoare triple {3809#true} call #t~ret5 := main(); {3809#true} is VALID [2020-07-08 22:14:50,225 INFO L280 TraceCheckUtils]: 4: Hoare triple {3809#true} havoc ~s__state~0; {3809#true} is VALID [2020-07-08 22:14:50,225 INFO L280 TraceCheckUtils]: 5: Hoare triple {3809#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3809#true} is VALID [2020-07-08 22:14:50,226 INFO L280 TraceCheckUtils]: 6: Hoare triple {3809#true} ~s__hit~0 := #t~nondet0; {3809#true} is VALID [2020-07-08 22:14:50,226 INFO L280 TraceCheckUtils]: 7: Hoare triple {3809#true} havoc #t~nondet0; {3809#true} is VALID [2020-07-08 22:14:50,226 INFO L280 TraceCheckUtils]: 8: Hoare triple {3809#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3809#true} is VALID [2020-07-08 22:14:50,226 INFO L280 TraceCheckUtils]: 9: Hoare triple {3809#true} ~s__verify_mode~0 := #t~nondet1; {3809#true} is VALID [2020-07-08 22:14:50,227 INFO L280 TraceCheckUtils]: 10: Hoare triple {3809#true} havoc #t~nondet1; {3809#true} is VALID [2020-07-08 22:14:50,227 INFO L280 TraceCheckUtils]: 11: Hoare triple {3809#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3809#true} is VALID [2020-07-08 22:14:50,227 INFO L280 TraceCheckUtils]: 12: Hoare triple {3809#true} ~s__session__peer~0 := #t~nondet2; {3809#true} is VALID [2020-07-08 22:14:50,227 INFO L280 TraceCheckUtils]: 13: Hoare triple {3809#true} havoc #t~nondet2; {3809#true} is VALID [2020-07-08 22:14:50,228 INFO L280 TraceCheckUtils]: 14: Hoare triple {3809#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3809#true} is VALID [2020-07-08 22:14:50,228 INFO L280 TraceCheckUtils]: 15: Hoare triple {3809#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {3809#true} is VALID [2020-07-08 22:14:50,228 INFO L280 TraceCheckUtils]: 16: Hoare triple {3809#true} havoc #t~nondet3; {3809#true} is VALID [2020-07-08 22:14:50,228 INFO L280 TraceCheckUtils]: 17: Hoare triple {3809#true} havoc ~buf~0; {3809#true} is VALID [2020-07-08 22:14:50,229 INFO L280 TraceCheckUtils]: 18: Hoare triple {3809#true} havoc ~cb~0; {3809#true} is VALID [2020-07-08 22:14:50,229 INFO L280 TraceCheckUtils]: 19: Hoare triple {3809#true} havoc ~blastFlag~0; {3809#true} is VALID [2020-07-08 22:14:50,229 INFO L280 TraceCheckUtils]: 20: Hoare triple {3809#true} havoc ~tmp___1~0; {3809#true} is VALID [2020-07-08 22:14:50,229 INFO L280 TraceCheckUtils]: 21: Hoare triple {3809#true} ~s__state~0 := 8466; {3809#true} is VALID [2020-07-08 22:14:50,230 INFO L280 TraceCheckUtils]: 22: Hoare triple {3809#true} ~blastFlag~0 := 0; {3809#true} is VALID [2020-07-08 22:14:50,230 INFO L280 TraceCheckUtils]: 23: Hoare triple {3809#true} assume !false; {3809#true} is VALID [2020-07-08 22:14:50,230 INFO L280 TraceCheckUtils]: 24: Hoare triple {3809#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {3809#true} is VALID [2020-07-08 22:14:50,230 INFO L280 TraceCheckUtils]: 25: Hoare triple {3809#true} assume 8466 == ~s__state~0; {3809#true} is VALID [2020-07-08 22:14:50,231 INFO L280 TraceCheckUtils]: 26: Hoare triple {3809#true} assume 0 == ~blastFlag~0; {3809#true} is VALID [2020-07-08 22:14:50,231 INFO L280 TraceCheckUtils]: 27: Hoare triple {3809#true} ~blastFlag~0 := 1; {3809#true} is VALID [2020-07-08 22:14:50,231 INFO L280 TraceCheckUtils]: 28: Hoare triple {3809#true} ~s__state~0 := 8496; {3809#true} is VALID [2020-07-08 22:14:50,232 INFO L280 TraceCheckUtils]: 29: Hoare triple {3809#true} assume !false; {3809#true} is VALID [2020-07-08 22:14:50,232 INFO L280 TraceCheckUtils]: 30: Hoare triple {3809#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {3809#true} is VALID [2020-07-08 22:14:50,232 INFO L280 TraceCheckUtils]: 31: Hoare triple {3809#true} assume !(8466 == ~s__state~0); {3809#true} is VALID [2020-07-08 22:14:50,232 INFO L280 TraceCheckUtils]: 32: Hoare triple {3809#true} assume 8496 == ~s__state~0; {3809#true} is VALID [2020-07-08 22:14:50,232 INFO L280 TraceCheckUtils]: 33: Hoare triple {3809#true} assume 1 == ~blastFlag~0; {3809#true} is VALID [2020-07-08 22:14:50,233 INFO L280 TraceCheckUtils]: 34: Hoare triple {3809#true} ~blastFlag~0 := 2; {3813#(<= main_~blastFlag~0 2)} is VALID [2020-07-08 22:14:50,234 INFO L280 TraceCheckUtils]: 35: Hoare triple {3813#(<= main_~blastFlag~0 2)} assume !(0 != ~s__hit~0); {3813#(<= main_~blastFlag~0 2)} is VALID [2020-07-08 22:14:50,235 INFO L280 TraceCheckUtils]: 36: Hoare triple {3813#(<= main_~blastFlag~0 2)} ~s__state~0 := 8512; {3813#(<= main_~blastFlag~0 2)} is VALID [2020-07-08 22:14:50,235 INFO L280 TraceCheckUtils]: 37: Hoare triple {3813#(<= main_~blastFlag~0 2)} assume !false; {3813#(<= main_~blastFlag~0 2)} is VALID [2020-07-08 22:14:50,236 INFO L280 TraceCheckUtils]: 38: Hoare triple {3813#(<= main_~blastFlag~0 2)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {3810#false} is VALID [2020-07-08 22:14:50,236 INFO L280 TraceCheckUtils]: 39: Hoare triple {3810#false} assume !false; {3810#false} is VALID [2020-07-08 22:14:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-08 22:14:50,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352528541] [2020-07-08 22:14:50,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:14:50,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 22:14:50,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840918309] [2020-07-08 22:14:50,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-08 22:14:50,240 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:14:50,240 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 22:14:50,274 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:50,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 22:14:50,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:14:50,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 22:14:50,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:50,275 INFO L87 Difference]: Start difference. First operand 213 states and 276 transitions. Second operand 3 states. [2020-07-08 22:14:50,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:50,787 INFO L93 Difference]: Finished difference Result 403 states and 535 transitions. [2020-07-08 22:14:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 22:14:50,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-08 22:14:50,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:14:50,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:50,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-07-08 22:14:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-07-08 22:14:50,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 257 transitions. [2020-07-08 22:14:51,045 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 257 edges. 257 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:51,053 INFO L225 Difference]: With dead ends: 403 [2020-07-08 22:14:51,053 INFO L226 Difference]: Without dead ends: 274 [2020-07-08 22:14:51,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-08 22:14:51,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2020-07-08 22:14:51,346 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:14:51,346 INFO L82 GeneralOperation]: Start isEquivalent. First operand 274 states. Second operand 274 states. [2020-07-08 22:14:51,346 INFO L74 IsIncluded]: Start isIncluded. First operand 274 states. Second operand 274 states. [2020-07-08 22:14:51,347 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 274 states. [2020-07-08 22:14:51,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:51,357 INFO L93 Difference]: Finished difference Result 274 states and 358 transitions. [2020-07-08 22:14:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2020-07-08 22:14:51,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:51,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:51,358 INFO L74 IsIncluded]: Start isIncluded. First operand 274 states. Second operand 274 states. [2020-07-08 22:14:51,358 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 274 states. [2020-07-08 22:14:51,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:51,368 INFO L93 Difference]: Finished difference Result 274 states and 358 transitions. [2020-07-08 22:14:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2020-07-08 22:14:51,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:51,369 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:51,369 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:14:51,370 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:14:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-07-08 22:14:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions. [2020-07-08 22:14:51,379 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 40 [2020-07-08 22:14:51,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:14:51,380 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions. [2020-07-08 22:14:51,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 22:14:51,380 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 274 states and 358 transitions. [2020-07-08 22:14:51,783 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 358 edges. 358 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2020-07-08 22:14:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-08 22:14:51,788 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:14:51,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:14:51,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 22:14:51,789 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:14:51,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:14:51,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1348776400, now seen corresponding path program 1 times [2020-07-08 22:14:51,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:14:51,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082910893] [2020-07-08 22:14:51,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:14:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:51,854 INFO L280 TraceCheckUtils]: 0: Hoare triple {5718#true} assume true; {5718#true} is VALID [2020-07-08 22:14:51,855 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5718#true} {5718#true} #232#return; {5718#true} is VALID [2020-07-08 22:14:51,855 INFO L263 TraceCheckUtils]: 0: Hoare triple {5718#true} call ULTIMATE.init(); {5718#true} is VALID [2020-07-08 22:14:51,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {5718#true} assume true; {5718#true} is VALID [2020-07-08 22:14:51,855 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5718#true} {5718#true} #232#return; {5718#true} is VALID [2020-07-08 22:14:51,856 INFO L263 TraceCheckUtils]: 3: Hoare triple {5718#true} call #t~ret5 := main(); {5718#true} is VALID [2020-07-08 22:14:51,856 INFO L280 TraceCheckUtils]: 4: Hoare triple {5718#true} havoc ~s__state~0; {5718#true} is VALID [2020-07-08 22:14:51,856 INFO L280 TraceCheckUtils]: 5: Hoare triple {5718#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5718#true} is VALID [2020-07-08 22:14:51,856 INFO L280 TraceCheckUtils]: 6: Hoare triple {5718#true} ~s__hit~0 := #t~nondet0; {5718#true} is VALID [2020-07-08 22:14:51,857 INFO L280 TraceCheckUtils]: 7: Hoare triple {5718#true} havoc #t~nondet0; {5718#true} is VALID [2020-07-08 22:14:51,857 INFO L280 TraceCheckUtils]: 8: Hoare triple {5718#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5718#true} is VALID [2020-07-08 22:14:51,857 INFO L280 TraceCheckUtils]: 9: Hoare triple {5718#true} ~s__verify_mode~0 := #t~nondet1; {5718#true} is VALID [2020-07-08 22:14:51,857 INFO L280 TraceCheckUtils]: 10: Hoare triple {5718#true} havoc #t~nondet1; {5718#true} is VALID [2020-07-08 22:14:51,858 INFO L280 TraceCheckUtils]: 11: Hoare triple {5718#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {5718#true} is VALID [2020-07-08 22:14:51,858 INFO L280 TraceCheckUtils]: 12: Hoare triple {5718#true} ~s__session__peer~0 := #t~nondet2; {5718#true} is VALID [2020-07-08 22:14:51,858 INFO L280 TraceCheckUtils]: 13: Hoare triple {5718#true} havoc #t~nondet2; {5718#true} is VALID [2020-07-08 22:14:51,858 INFO L280 TraceCheckUtils]: 14: Hoare triple {5718#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {5718#true} is VALID [2020-07-08 22:14:51,859 INFO L280 TraceCheckUtils]: 15: Hoare triple {5718#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {5718#true} is VALID [2020-07-08 22:14:51,859 INFO L280 TraceCheckUtils]: 16: Hoare triple {5718#true} havoc #t~nondet3; {5718#true} is VALID [2020-07-08 22:14:51,859 INFO L280 TraceCheckUtils]: 17: Hoare triple {5718#true} havoc ~buf~0; {5718#true} is VALID [2020-07-08 22:14:51,859 INFO L280 TraceCheckUtils]: 18: Hoare triple {5718#true} havoc ~cb~0; {5718#true} is VALID [2020-07-08 22:14:51,860 INFO L280 TraceCheckUtils]: 19: Hoare triple {5718#true} havoc ~blastFlag~0; {5718#true} is VALID [2020-07-08 22:14:51,860 INFO L280 TraceCheckUtils]: 20: Hoare triple {5718#true} havoc ~tmp___1~0; {5718#true} is VALID [2020-07-08 22:14:51,860 INFO L280 TraceCheckUtils]: 21: Hoare triple {5718#true} ~s__state~0 := 8466; {5718#true} is VALID [2020-07-08 22:14:51,860 INFO L280 TraceCheckUtils]: 22: Hoare triple {5718#true} ~blastFlag~0 := 0; {5718#true} is VALID [2020-07-08 22:14:51,861 INFO L280 TraceCheckUtils]: 23: Hoare triple {5718#true} assume !false; {5718#true} is VALID [2020-07-08 22:14:51,861 INFO L280 TraceCheckUtils]: 24: Hoare triple {5718#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {5718#true} is VALID [2020-07-08 22:14:51,861 INFO L280 TraceCheckUtils]: 25: Hoare triple {5718#true} assume 8466 == ~s__state~0; {5718#true} is VALID [2020-07-08 22:14:51,861 INFO L280 TraceCheckUtils]: 26: Hoare triple {5718#true} assume 0 == ~blastFlag~0; {5718#true} is VALID [2020-07-08 22:14:51,862 INFO L280 TraceCheckUtils]: 27: Hoare triple {5718#true} ~blastFlag~0 := 1; {5718#true} is VALID [2020-07-08 22:14:51,862 INFO L280 TraceCheckUtils]: 28: Hoare triple {5718#true} ~s__state~0 := 8496; {5718#true} is VALID [2020-07-08 22:14:51,862 INFO L280 TraceCheckUtils]: 29: Hoare triple {5718#true} assume !false; {5718#true} is VALID [2020-07-08 22:14:51,862 INFO L280 TraceCheckUtils]: 30: Hoare triple {5718#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {5718#true} is VALID [2020-07-08 22:14:51,863 INFO L280 TraceCheckUtils]: 31: Hoare triple {5718#true} assume !(8466 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,863 INFO L280 TraceCheckUtils]: 32: Hoare triple {5718#true} assume 8496 == ~s__state~0; {5718#true} is VALID [2020-07-08 22:14:51,863 INFO L280 TraceCheckUtils]: 33: Hoare triple {5718#true} assume 1 == ~blastFlag~0; {5718#true} is VALID [2020-07-08 22:14:51,863 INFO L280 TraceCheckUtils]: 34: Hoare triple {5718#true} ~blastFlag~0 := 2; {5718#true} is VALID [2020-07-08 22:14:51,863 INFO L280 TraceCheckUtils]: 35: Hoare triple {5718#true} assume 0 != ~s__hit~0; {5718#true} is VALID [2020-07-08 22:14:51,864 INFO L280 TraceCheckUtils]: 36: Hoare triple {5718#true} ~s__state~0 := 8656; {5718#true} is VALID [2020-07-08 22:14:51,864 INFO L280 TraceCheckUtils]: 37: Hoare triple {5718#true} assume !false; {5718#true} is VALID [2020-07-08 22:14:51,864 INFO L280 TraceCheckUtils]: 38: Hoare triple {5718#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {5718#true} is VALID [2020-07-08 22:14:51,864 INFO L280 TraceCheckUtils]: 39: Hoare triple {5718#true} assume !(8466 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,865 INFO L280 TraceCheckUtils]: 40: Hoare triple {5718#true} assume !(8496 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,865 INFO L280 TraceCheckUtils]: 41: Hoare triple {5718#true} assume !(8512 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,865 INFO L280 TraceCheckUtils]: 42: Hoare triple {5718#true} assume !(8528 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,865 INFO L280 TraceCheckUtils]: 43: Hoare triple {5718#true} assume !(8544 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,866 INFO L280 TraceCheckUtils]: 44: Hoare triple {5718#true} assume !(8560 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,866 INFO L280 TraceCheckUtils]: 45: Hoare triple {5718#true} assume !(8576 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,869 INFO L280 TraceCheckUtils]: 46: Hoare triple {5718#true} assume !(8592 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,870 INFO L280 TraceCheckUtils]: 47: Hoare triple {5718#true} assume !(8608 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,870 INFO L280 TraceCheckUtils]: 48: Hoare triple {5718#true} assume !(8640 == ~s__state~0); {5718#true} is VALID [2020-07-08 22:14:51,870 INFO L280 TraceCheckUtils]: 49: Hoare triple {5718#true} assume 8656 == ~s__state~0; {5718#true} is VALID [2020-07-08 22:14:51,870 INFO L280 TraceCheckUtils]: 50: Hoare triple {5718#true} assume 2 == ~blastFlag~0; {5718#true} is VALID [2020-07-08 22:14:51,876 INFO L280 TraceCheckUtils]: 51: Hoare triple {5718#true} ~blastFlag~0 := 3; {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,877 INFO L280 TraceCheckUtils]: 52: Hoare triple {5722#(<= main_~blastFlag~0 3)} ~s__state~0 := 8672; {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,877 INFO L280 TraceCheckUtils]: 53: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !false; {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,878 INFO L280 TraceCheckUtils]: 54: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,883 INFO L280 TraceCheckUtils]: 55: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8466 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,883 INFO L280 TraceCheckUtils]: 56: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8496 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,884 INFO L280 TraceCheckUtils]: 57: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8512 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,884 INFO L280 TraceCheckUtils]: 58: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8528 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,885 INFO L280 TraceCheckUtils]: 59: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8544 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,885 INFO L280 TraceCheckUtils]: 60: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8560 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,886 INFO L280 TraceCheckUtils]: 61: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8576 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,886 INFO L280 TraceCheckUtils]: 62: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8592 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,887 INFO L280 TraceCheckUtils]: 63: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8608 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,889 INFO L280 TraceCheckUtils]: 64: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8640 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,890 INFO L280 TraceCheckUtils]: 65: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8656 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,891 INFO L280 TraceCheckUtils]: 66: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume 8672 == ~s__state~0; {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,891 INFO L280 TraceCheckUtils]: 67: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(4 == ~blastFlag~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-08 22:14:51,892 INFO L280 TraceCheckUtils]: 68: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume 5 == ~blastFlag~0; {5719#false} is VALID [2020-07-08 22:14:51,892 INFO L280 TraceCheckUtils]: 69: Hoare triple {5719#false} assume !false; {5719#false} is VALID [2020-07-08 22:14:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-08 22:14:51,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082910893] [2020-07-08 22:14:51,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:14:51,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 22:14:51,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672531582] [2020-07-08 22:14:51,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-08 22:14:51,898 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:14:51,898 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 22:14:51,949 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:51,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 22:14:51,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:14:51,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 22:14:51,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:51,950 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand 3 states. [2020-07-08 22:14:52,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:52,598 INFO L93 Difference]: Finished difference Result 527 states and 700 transitions. [2020-07-08 22:14:52,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 22:14:52,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-08 22:14:52,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:14:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2020-07-08 22:14:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2020-07-08 22:14:52,607 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 258 transitions. [2020-07-08 22:14:52,861 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 258 edges. 258 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:52,870 INFO L225 Difference]: With dead ends: 527 [2020-07-08 22:14:52,870 INFO L226 Difference]: Without dead ends: 337 [2020-07-08 22:14:52,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-07-08 22:14:53,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-07-08 22:14:53,229 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:14:53,229 INFO L82 GeneralOperation]: Start isEquivalent. First operand 337 states. Second operand 335 states. [2020-07-08 22:14:53,229 INFO L74 IsIncluded]: Start isIncluded. First operand 337 states. Second operand 335 states. [2020-07-08 22:14:53,229 INFO L87 Difference]: Start difference. First operand 337 states. Second operand 335 states. [2020-07-08 22:14:53,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:53,242 INFO L93 Difference]: Finished difference Result 337 states and 443 transitions. [2020-07-08 22:14:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2020-07-08 22:14:53,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:53,243 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:53,243 INFO L74 IsIncluded]: Start isIncluded. First operand 335 states. Second operand 337 states. [2020-07-08 22:14:53,243 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 337 states. [2020-07-08 22:14:53,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:53,254 INFO L93 Difference]: Finished difference Result 337 states and 443 transitions. [2020-07-08 22:14:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2020-07-08 22:14:53,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:53,256 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:53,256 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:14:53,256 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:14:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-08 22:14:53,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 442 transitions. [2020-07-08 22:14:53,266 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 442 transitions. Word has length 70 [2020-07-08 22:14:53,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:14:53,267 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 442 transitions. [2020-07-08 22:14:53,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 22:14:53,267 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 335 states and 442 transitions. [2020-07-08 22:14:53,744 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 442 edges. 442 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:53,745 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 442 transitions. [2020-07-08 22:14:53,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-08 22:14:53,746 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:14:53,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:14:53,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 22:14:53,747 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:14:53,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:14:53,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1264034378, now seen corresponding path program 1 times [2020-07-08 22:14:53,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:14:53,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789964524] [2020-07-08 22:14:53,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:14:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:53,855 INFO L280 TraceCheckUtils]: 0: Hoare triple {8123#true} assume true; {8123#true} is VALID [2020-07-08 22:14:53,855 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8123#true} {8123#true} #232#return; {8123#true} is VALID [2020-07-08 22:14:53,856 INFO L263 TraceCheckUtils]: 0: Hoare triple {8123#true} call ULTIMATE.init(); {8123#true} is VALID [2020-07-08 22:14:53,856 INFO L280 TraceCheckUtils]: 1: Hoare triple {8123#true} assume true; {8123#true} is VALID [2020-07-08 22:14:53,856 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8123#true} {8123#true} #232#return; {8123#true} is VALID [2020-07-08 22:14:53,856 INFO L263 TraceCheckUtils]: 3: Hoare triple {8123#true} call #t~ret5 := main(); {8123#true} is VALID [2020-07-08 22:14:53,857 INFO L280 TraceCheckUtils]: 4: Hoare triple {8123#true} havoc ~s__state~0; {8123#true} is VALID [2020-07-08 22:14:53,857 INFO L280 TraceCheckUtils]: 5: Hoare triple {8123#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8123#true} is VALID [2020-07-08 22:14:53,857 INFO L280 TraceCheckUtils]: 6: Hoare triple {8123#true} ~s__hit~0 := #t~nondet0; {8123#true} is VALID [2020-07-08 22:14:53,857 INFO L280 TraceCheckUtils]: 7: Hoare triple {8123#true} havoc #t~nondet0; {8123#true} is VALID [2020-07-08 22:14:53,857 INFO L280 TraceCheckUtils]: 8: Hoare triple {8123#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8123#true} is VALID [2020-07-08 22:14:53,858 INFO L280 TraceCheckUtils]: 9: Hoare triple {8123#true} ~s__verify_mode~0 := #t~nondet1; {8123#true} is VALID [2020-07-08 22:14:53,858 INFO L280 TraceCheckUtils]: 10: Hoare triple {8123#true} havoc #t~nondet1; {8123#true} is VALID [2020-07-08 22:14:53,858 INFO L280 TraceCheckUtils]: 11: Hoare triple {8123#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8123#true} is VALID [2020-07-08 22:14:53,858 INFO L280 TraceCheckUtils]: 12: Hoare triple {8123#true} ~s__session__peer~0 := #t~nondet2; {8123#true} is VALID [2020-07-08 22:14:53,858 INFO L280 TraceCheckUtils]: 13: Hoare triple {8123#true} havoc #t~nondet2; {8123#true} is VALID [2020-07-08 22:14:53,859 INFO L280 TraceCheckUtils]: 14: Hoare triple {8123#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {8123#true} is VALID [2020-07-08 22:14:53,859 INFO L280 TraceCheckUtils]: 15: Hoare triple {8123#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {8123#true} is VALID [2020-07-08 22:14:53,860 INFO L280 TraceCheckUtils]: 16: Hoare triple {8123#true} havoc #t~nondet3; {8123#true} is VALID [2020-07-08 22:14:53,860 INFO L280 TraceCheckUtils]: 17: Hoare triple {8123#true} havoc ~buf~0; {8123#true} is VALID [2020-07-08 22:14:53,860 INFO L280 TraceCheckUtils]: 18: Hoare triple {8123#true} havoc ~cb~0; {8123#true} is VALID [2020-07-08 22:14:53,861 INFO L280 TraceCheckUtils]: 19: Hoare triple {8123#true} havoc ~blastFlag~0; {8123#true} is VALID [2020-07-08 22:14:53,861 INFO L280 TraceCheckUtils]: 20: Hoare triple {8123#true} havoc ~tmp___1~0; {8123#true} is VALID [2020-07-08 22:14:53,861 INFO L280 TraceCheckUtils]: 21: Hoare triple {8123#true} ~s__state~0 := 8466; {8123#true} is VALID [2020-07-08 22:14:53,861 INFO L280 TraceCheckUtils]: 22: Hoare triple {8123#true} ~blastFlag~0 := 0; {8123#true} is VALID [2020-07-08 22:14:53,861 INFO L280 TraceCheckUtils]: 23: Hoare triple {8123#true} assume !false; {8123#true} is VALID [2020-07-08 22:14:53,862 INFO L280 TraceCheckUtils]: 24: Hoare triple {8123#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {8123#true} is VALID [2020-07-08 22:14:53,862 INFO L280 TraceCheckUtils]: 25: Hoare triple {8123#true} assume 8466 == ~s__state~0; {8123#true} is VALID [2020-07-08 22:14:53,862 INFO L280 TraceCheckUtils]: 26: Hoare triple {8123#true} assume 0 == ~blastFlag~0; {8123#true} is VALID [2020-07-08 22:14:53,862 INFO L280 TraceCheckUtils]: 27: Hoare triple {8123#true} ~blastFlag~0 := 1; {8123#true} is VALID [2020-07-08 22:14:53,863 INFO L280 TraceCheckUtils]: 28: Hoare triple {8123#true} ~s__state~0 := 8496; {8123#true} is VALID [2020-07-08 22:14:53,863 INFO L280 TraceCheckUtils]: 29: Hoare triple {8123#true} assume !false; {8123#true} is VALID [2020-07-08 22:14:53,863 INFO L280 TraceCheckUtils]: 30: Hoare triple {8123#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {8123#true} is VALID [2020-07-08 22:14:53,863 INFO L280 TraceCheckUtils]: 31: Hoare triple {8123#true} assume !(8466 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,865 INFO L280 TraceCheckUtils]: 32: Hoare triple {8123#true} assume 8496 == ~s__state~0; {8123#true} is VALID [2020-07-08 22:14:53,867 INFO L280 TraceCheckUtils]: 33: Hoare triple {8123#true} assume 1 == ~blastFlag~0; {8123#true} is VALID [2020-07-08 22:14:53,868 INFO L280 TraceCheckUtils]: 34: Hoare triple {8123#true} ~blastFlag~0 := 2; {8123#true} is VALID [2020-07-08 22:14:53,871 INFO L280 TraceCheckUtils]: 35: Hoare triple {8123#true} assume 0 != ~s__hit~0; {8123#true} is VALID [2020-07-08 22:14:53,872 INFO L280 TraceCheckUtils]: 36: Hoare triple {8123#true} ~s__state~0 := 8656; {8123#true} is VALID [2020-07-08 22:14:53,872 INFO L280 TraceCheckUtils]: 37: Hoare triple {8123#true} assume !false; {8123#true} is VALID [2020-07-08 22:14:53,872 INFO L280 TraceCheckUtils]: 38: Hoare triple {8123#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {8123#true} is VALID [2020-07-08 22:14:53,877 INFO L280 TraceCheckUtils]: 39: Hoare triple {8123#true} assume !(8466 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,877 INFO L280 TraceCheckUtils]: 40: Hoare triple {8123#true} assume !(8496 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,878 INFO L280 TraceCheckUtils]: 41: Hoare triple {8123#true} assume !(8512 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,878 INFO L280 TraceCheckUtils]: 42: Hoare triple {8123#true} assume !(8528 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,878 INFO L280 TraceCheckUtils]: 43: Hoare triple {8123#true} assume !(8544 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,878 INFO L280 TraceCheckUtils]: 44: Hoare triple {8123#true} assume !(8560 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,879 INFO L280 TraceCheckUtils]: 45: Hoare triple {8123#true} assume !(8576 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,879 INFO L280 TraceCheckUtils]: 46: Hoare triple {8123#true} assume !(8592 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,879 INFO L280 TraceCheckUtils]: 47: Hoare triple {8123#true} assume !(8608 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,879 INFO L280 TraceCheckUtils]: 48: Hoare triple {8123#true} assume !(8640 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,879 INFO L280 TraceCheckUtils]: 49: Hoare triple {8123#true} assume 8656 == ~s__state~0; {8123#true} is VALID [2020-07-08 22:14:53,880 INFO L280 TraceCheckUtils]: 50: Hoare triple {8123#true} assume 2 == ~blastFlag~0; {8123#true} is VALID [2020-07-08 22:14:53,880 INFO L280 TraceCheckUtils]: 51: Hoare triple {8123#true} ~blastFlag~0 := 3; {8123#true} is VALID [2020-07-08 22:14:53,880 INFO L280 TraceCheckUtils]: 52: Hoare triple {8123#true} ~s__state~0 := 8672; {8123#true} is VALID [2020-07-08 22:14:53,880 INFO L280 TraceCheckUtils]: 53: Hoare triple {8123#true} assume !false; {8123#true} is VALID [2020-07-08 22:14:53,880 INFO L280 TraceCheckUtils]: 54: Hoare triple {8123#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {8123#true} is VALID [2020-07-08 22:14:53,881 INFO L280 TraceCheckUtils]: 55: Hoare triple {8123#true} assume !(8466 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,881 INFO L280 TraceCheckUtils]: 56: Hoare triple {8123#true} assume !(8496 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,881 INFO L280 TraceCheckUtils]: 57: Hoare triple {8123#true} assume !(8512 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,881 INFO L280 TraceCheckUtils]: 58: Hoare triple {8123#true} assume !(8528 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,881 INFO L280 TraceCheckUtils]: 59: Hoare triple {8123#true} assume !(8544 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,882 INFO L280 TraceCheckUtils]: 60: Hoare triple {8123#true} assume !(8560 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,882 INFO L280 TraceCheckUtils]: 61: Hoare triple {8123#true} assume !(8576 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,882 INFO L280 TraceCheckUtils]: 62: Hoare triple {8123#true} assume !(8592 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,882 INFO L280 TraceCheckUtils]: 63: Hoare triple {8123#true} assume !(8608 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,883 INFO L280 TraceCheckUtils]: 64: Hoare triple {8123#true} assume !(8640 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,883 INFO L280 TraceCheckUtils]: 65: Hoare triple {8123#true} assume !(8656 == ~s__state~0); {8123#true} is VALID [2020-07-08 22:14:53,883 INFO L280 TraceCheckUtils]: 66: Hoare triple {8123#true} assume 8672 == ~s__state~0; {8123#true} is VALID [2020-07-08 22:14:53,883 INFO L280 TraceCheckUtils]: 67: Hoare triple {8123#true} assume !(4 == ~blastFlag~0); {8123#true} is VALID [2020-07-08 22:14:53,883 INFO L280 TraceCheckUtils]: 68: Hoare triple {8123#true} assume !(5 == ~blastFlag~0); {8123#true} is VALID [2020-07-08 22:14:53,884 INFO L280 TraceCheckUtils]: 69: Hoare triple {8123#true} assume 0 != ~s__hit~0; {8123#true} is VALID [2020-07-08 22:14:53,888 INFO L280 TraceCheckUtils]: 70: Hoare triple {8123#true} ~s__state~0 := 8640; {8127#(<= 8640 main_~s__state~0)} is VALID [2020-07-08 22:14:53,889 INFO L280 TraceCheckUtils]: 71: Hoare triple {8127#(<= 8640 main_~s__state~0)} assume !false; {8127#(<= 8640 main_~s__state~0)} is VALID [2020-07-08 22:14:53,890 INFO L280 TraceCheckUtils]: 72: Hoare triple {8127#(<= 8640 main_~s__state~0)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {8124#false} is VALID [2020-07-08 22:14:53,891 INFO L280 TraceCheckUtils]: 73: Hoare triple {8124#false} assume !false; {8124#false} is VALID [2020-07-08 22:14:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-08 22:14:53,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789964524] [2020-07-08 22:14:53,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:14:53,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 22:14:53,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078750154] [2020-07-08 22:14:53,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-08 22:14:53,895 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:14:53,895 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 22:14:53,947 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:53,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 22:14:53,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:14:53,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 22:14:53,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:53,949 INFO L87 Difference]: Start difference. First operand 335 states and 442 transitions. Second operand 3 states. [2020-07-08 22:14:54,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:54,809 INFO L93 Difference]: Finished difference Result 637 states and 866 transitions. [2020-07-08 22:14:54,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 22:14:54,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-08 22:14:54,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:14:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2020-07-08 22:14:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2020-07-08 22:14:54,817 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 208 transitions. [2020-07-08 22:14:55,009 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 208 edges. 208 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:55,015 INFO L225 Difference]: With dead ends: 637 [2020-07-08 22:14:55,015 INFO L226 Difference]: Without dead ends: 243 [2020-07-08 22:14:55,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-07-08 22:14:55,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 240. [2020-07-08 22:14:55,332 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:14:55,332 INFO L82 GeneralOperation]: Start isEquivalent. First operand 243 states. Second operand 240 states. [2020-07-08 22:14:55,332 INFO L74 IsIncluded]: Start isIncluded. First operand 243 states. Second operand 240 states. [2020-07-08 22:14:55,332 INFO L87 Difference]: Start difference. First operand 243 states. Second operand 240 states. [2020-07-08 22:14:55,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:55,339 INFO L93 Difference]: Finished difference Result 243 states and 304 transitions. [2020-07-08 22:14:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 304 transitions. [2020-07-08 22:14:55,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:55,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:55,340 INFO L74 IsIncluded]: Start isIncluded. First operand 240 states. Second operand 243 states. [2020-07-08 22:14:55,340 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 243 states. [2020-07-08 22:14:55,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:55,347 INFO L93 Difference]: Finished difference Result 243 states and 304 transitions. [2020-07-08 22:14:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 304 transitions. [2020-07-08 22:14:55,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:55,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:55,348 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:14:55,348 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:14:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-07-08 22:14:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 299 transitions. [2020-07-08 22:14:55,354 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 299 transitions. Word has length 74 [2020-07-08 22:14:55,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:14:55,354 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 299 transitions. [2020-07-08 22:14:55,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 22:14:55,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 240 states and 299 transitions. [2020-07-08 22:14:55,644 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 299 edges. 299 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 299 transitions. [2020-07-08 22:14:55,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-08 22:14:55,646 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:14:55,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:14:55,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 22:14:55,646 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:14:55,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:14:55,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1725408203, now seen corresponding path program 1 times [2020-07-08 22:14:55,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:14:55,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861946064] [2020-07-08 22:14:55,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:14:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:14:55,756 INFO L280 TraceCheckUtils]: 0: Hoare triple {10370#true} assume true; {10370#true} is VALID [2020-07-08 22:14:55,757 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {10370#true} {10370#true} #232#return; {10370#true} is VALID [2020-07-08 22:14:55,757 INFO L263 TraceCheckUtils]: 0: Hoare triple {10370#true} call ULTIMATE.init(); {10370#true} is VALID [2020-07-08 22:14:55,757 INFO L280 TraceCheckUtils]: 1: Hoare triple {10370#true} assume true; {10370#true} is VALID [2020-07-08 22:14:55,757 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {10370#true} {10370#true} #232#return; {10370#true} is VALID [2020-07-08 22:14:55,758 INFO L263 TraceCheckUtils]: 3: Hoare triple {10370#true} call #t~ret5 := main(); {10370#true} is VALID [2020-07-08 22:14:55,758 INFO L280 TraceCheckUtils]: 4: Hoare triple {10370#true} havoc ~s__state~0; {10370#true} is VALID [2020-07-08 22:14:55,758 INFO L280 TraceCheckUtils]: 5: Hoare triple {10370#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10370#true} is VALID [2020-07-08 22:14:55,758 INFO L280 TraceCheckUtils]: 6: Hoare triple {10370#true} ~s__hit~0 := #t~nondet0; {10370#true} is VALID [2020-07-08 22:14:55,759 INFO L280 TraceCheckUtils]: 7: Hoare triple {10370#true} havoc #t~nondet0; {10370#true} is VALID [2020-07-08 22:14:55,759 INFO L280 TraceCheckUtils]: 8: Hoare triple {10370#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10370#true} is VALID [2020-07-08 22:14:55,759 INFO L280 TraceCheckUtils]: 9: Hoare triple {10370#true} ~s__verify_mode~0 := #t~nondet1; {10370#true} is VALID [2020-07-08 22:14:55,759 INFO L280 TraceCheckUtils]: 10: Hoare triple {10370#true} havoc #t~nondet1; {10370#true} is VALID [2020-07-08 22:14:55,759 INFO L280 TraceCheckUtils]: 11: Hoare triple {10370#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10370#true} is VALID [2020-07-08 22:14:55,760 INFO L280 TraceCheckUtils]: 12: Hoare triple {10370#true} ~s__session__peer~0 := #t~nondet2; {10370#true} is VALID [2020-07-08 22:14:55,760 INFO L280 TraceCheckUtils]: 13: Hoare triple {10370#true} havoc #t~nondet2; {10370#true} is VALID [2020-07-08 22:14:55,760 INFO L280 TraceCheckUtils]: 14: Hoare triple {10370#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10370#true} is VALID [2020-07-08 22:14:55,760 INFO L280 TraceCheckUtils]: 15: Hoare triple {10370#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {10370#true} is VALID [2020-07-08 22:14:55,760 INFO L280 TraceCheckUtils]: 16: Hoare triple {10370#true} havoc #t~nondet3; {10370#true} is VALID [2020-07-08 22:14:55,761 INFO L280 TraceCheckUtils]: 17: Hoare triple {10370#true} havoc ~buf~0; {10370#true} is VALID [2020-07-08 22:14:55,761 INFO L280 TraceCheckUtils]: 18: Hoare triple {10370#true} havoc ~cb~0; {10370#true} is VALID [2020-07-08 22:14:55,761 INFO L280 TraceCheckUtils]: 19: Hoare triple {10370#true} havoc ~blastFlag~0; {10370#true} is VALID [2020-07-08 22:14:55,761 INFO L280 TraceCheckUtils]: 20: Hoare triple {10370#true} havoc ~tmp___1~0; {10370#true} is VALID [2020-07-08 22:14:55,762 INFO L280 TraceCheckUtils]: 21: Hoare triple {10370#true} ~s__state~0 := 8466; {10370#true} is VALID [2020-07-08 22:14:55,762 INFO L280 TraceCheckUtils]: 22: Hoare triple {10370#true} ~blastFlag~0 := 0; {10370#true} is VALID [2020-07-08 22:14:55,762 INFO L280 TraceCheckUtils]: 23: Hoare triple {10370#true} assume !false; {10370#true} is VALID [2020-07-08 22:14:55,762 INFO L280 TraceCheckUtils]: 24: Hoare triple {10370#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10370#true} is VALID [2020-07-08 22:14:55,762 INFO L280 TraceCheckUtils]: 25: Hoare triple {10370#true} assume 8466 == ~s__state~0; {10370#true} is VALID [2020-07-08 22:14:55,763 INFO L280 TraceCheckUtils]: 26: Hoare triple {10370#true} assume 0 == ~blastFlag~0; {10370#true} is VALID [2020-07-08 22:14:55,763 INFO L280 TraceCheckUtils]: 27: Hoare triple {10370#true} ~blastFlag~0 := 1; {10370#true} is VALID [2020-07-08 22:14:55,763 INFO L280 TraceCheckUtils]: 28: Hoare triple {10370#true} ~s__state~0 := 8496; {10370#true} is VALID [2020-07-08 22:14:55,763 INFO L280 TraceCheckUtils]: 29: Hoare triple {10370#true} assume !false; {10370#true} is VALID [2020-07-08 22:14:55,763 INFO L280 TraceCheckUtils]: 30: Hoare triple {10370#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10370#true} is VALID [2020-07-08 22:14:55,764 INFO L280 TraceCheckUtils]: 31: Hoare triple {10370#true} assume !(8466 == ~s__state~0); {10370#true} is VALID [2020-07-08 22:14:55,764 INFO L280 TraceCheckUtils]: 32: Hoare triple {10370#true} assume 8496 == ~s__state~0; {10370#true} is VALID [2020-07-08 22:14:55,764 INFO L280 TraceCheckUtils]: 33: Hoare triple {10370#true} assume 1 == ~blastFlag~0; {10370#true} is VALID [2020-07-08 22:14:55,764 INFO L280 TraceCheckUtils]: 34: Hoare triple {10370#true} ~blastFlag~0 := 2; {10370#true} is VALID [2020-07-08 22:14:55,765 INFO L280 TraceCheckUtils]: 35: Hoare triple {10370#true} assume 0 != ~s__hit~0; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,766 INFO L280 TraceCheckUtils]: 36: Hoare triple {10374#(not (= 0 main_~s__hit~0))} ~s__state~0 := 8656; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,766 INFO L280 TraceCheckUtils]: 37: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !false; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,767 INFO L280 TraceCheckUtils]: 38: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,767 INFO L280 TraceCheckUtils]: 39: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8466 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,768 INFO L280 TraceCheckUtils]: 40: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8496 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,769 INFO L280 TraceCheckUtils]: 41: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8512 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,769 INFO L280 TraceCheckUtils]: 42: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8528 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,770 INFO L280 TraceCheckUtils]: 43: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8544 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,770 INFO L280 TraceCheckUtils]: 44: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8560 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,771 INFO L280 TraceCheckUtils]: 45: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8576 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,772 INFO L280 TraceCheckUtils]: 46: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8592 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,772 INFO L280 TraceCheckUtils]: 47: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8608 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,773 INFO L280 TraceCheckUtils]: 48: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8640 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,773 INFO L280 TraceCheckUtils]: 49: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume 8656 == ~s__state~0; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,774 INFO L280 TraceCheckUtils]: 50: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume 2 == ~blastFlag~0; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,775 INFO L280 TraceCheckUtils]: 51: Hoare triple {10374#(not (= 0 main_~s__hit~0))} ~blastFlag~0 := 3; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,775 INFO L280 TraceCheckUtils]: 52: Hoare triple {10374#(not (= 0 main_~s__hit~0))} ~s__state~0 := 8672; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,776 INFO L280 TraceCheckUtils]: 53: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !false; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,776 INFO L280 TraceCheckUtils]: 54: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,777 INFO L280 TraceCheckUtils]: 55: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8466 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,778 INFO L280 TraceCheckUtils]: 56: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8496 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,782 INFO L280 TraceCheckUtils]: 57: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8512 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,783 INFO L280 TraceCheckUtils]: 58: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8528 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,784 INFO L280 TraceCheckUtils]: 59: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8544 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,785 INFO L280 TraceCheckUtils]: 60: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8560 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,786 INFO L280 TraceCheckUtils]: 61: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8576 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,788 INFO L280 TraceCheckUtils]: 62: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8592 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,789 INFO L280 TraceCheckUtils]: 63: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8608 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,790 INFO L280 TraceCheckUtils]: 64: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8640 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,790 INFO L280 TraceCheckUtils]: 65: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8656 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,791 INFO L280 TraceCheckUtils]: 66: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume 8672 == ~s__state~0; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,792 INFO L280 TraceCheckUtils]: 67: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(4 == ~blastFlag~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,792 INFO L280 TraceCheckUtils]: 68: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(5 == ~blastFlag~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,793 INFO L280 TraceCheckUtils]: 69: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume 0 != ~s__hit~0; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,793 INFO L280 TraceCheckUtils]: 70: Hoare triple {10374#(not (= 0 main_~s__hit~0))} ~s__state~0 := 8640; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,794 INFO L280 TraceCheckUtils]: 71: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !false; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,795 INFO L280 TraceCheckUtils]: 72: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,795 INFO L280 TraceCheckUtils]: 73: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8466 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,796 INFO L280 TraceCheckUtils]: 74: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8496 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,797 INFO L280 TraceCheckUtils]: 75: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8512 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,798 INFO L280 TraceCheckUtils]: 76: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8528 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,798 INFO L280 TraceCheckUtils]: 77: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8544 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,799 INFO L280 TraceCheckUtils]: 78: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8560 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,799 INFO L280 TraceCheckUtils]: 79: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8576 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,800 INFO L280 TraceCheckUtils]: 80: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8592 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,801 INFO L280 TraceCheckUtils]: 81: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(8608 == ~s__state~0); {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,801 INFO L280 TraceCheckUtils]: 82: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume 8640 == ~s__state~0; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,802 INFO L280 TraceCheckUtils]: 83: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume 3 == ~blastFlag~0; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,803 INFO L280 TraceCheckUtils]: 84: Hoare triple {10374#(not (= 0 main_~s__hit~0))} ~blastFlag~0 := 4; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-08 22:14:55,803 INFO L280 TraceCheckUtils]: 85: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(0 != ~s__hit~0); {10371#false} is VALID [2020-07-08 22:14:55,804 INFO L280 TraceCheckUtils]: 86: Hoare triple {10371#false} ~s__state~0 := 8656; {10371#false} is VALID [2020-07-08 22:14:55,804 INFO L280 TraceCheckUtils]: 87: Hoare triple {10371#false} assume !false; {10371#false} is VALID [2020-07-08 22:14:55,804 INFO L280 TraceCheckUtils]: 88: Hoare triple {10371#false} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10371#false} is VALID [2020-07-08 22:14:55,805 INFO L280 TraceCheckUtils]: 89: Hoare triple {10371#false} assume !(8466 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,805 INFO L280 TraceCheckUtils]: 90: Hoare triple {10371#false} assume !(8496 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,805 INFO L280 TraceCheckUtils]: 91: Hoare triple {10371#false} assume !(8512 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,805 INFO L280 TraceCheckUtils]: 92: Hoare triple {10371#false} assume !(8528 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,806 INFO L280 TraceCheckUtils]: 93: Hoare triple {10371#false} assume !(8544 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,806 INFO L280 TraceCheckUtils]: 94: Hoare triple {10371#false} assume !(8560 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,806 INFO L280 TraceCheckUtils]: 95: Hoare triple {10371#false} assume !(8576 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,807 INFO L280 TraceCheckUtils]: 96: Hoare triple {10371#false} assume !(8592 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,807 INFO L280 TraceCheckUtils]: 97: Hoare triple {10371#false} assume !(8608 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,807 INFO L280 TraceCheckUtils]: 98: Hoare triple {10371#false} assume !(8640 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,807 INFO L280 TraceCheckUtils]: 99: Hoare triple {10371#false} assume !(8656 == ~s__state~0); {10371#false} is VALID [2020-07-08 22:14:55,808 INFO L280 TraceCheckUtils]: 100: Hoare triple {10371#false} assume 8672 == ~s__state~0; {10371#false} is VALID [2020-07-08 22:14:55,808 INFO L280 TraceCheckUtils]: 101: Hoare triple {10371#false} assume !(4 == ~blastFlag~0); {10371#false} is VALID [2020-07-08 22:14:55,808 INFO L280 TraceCheckUtils]: 102: Hoare triple {10371#false} assume 5 == ~blastFlag~0; {10371#false} is VALID [2020-07-08 22:14:55,809 INFO L280 TraceCheckUtils]: 103: Hoare triple {10371#false} assume !false; {10371#false} is VALID [2020-07-08 22:14:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-08 22:14:55,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861946064] [2020-07-08 22:14:55,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:14:55,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 22:14:55,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495060857] [2020-07-08 22:14:55,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-07-08 22:14:55,837 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:14:55,837 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 22:14:55,904 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:55,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 22:14:55,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:14:55,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 22:14:55,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:55,906 INFO L87 Difference]: Start difference. First operand 240 states and 299 transitions. Second operand 3 states. [2020-07-08 22:14:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:56,505 INFO L93 Difference]: Finished difference Result 365 states and 436 transitions. [2020-07-08 22:14:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 22:14:56,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-07-08 22:14:56,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:14:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2020-07-08 22:14:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 22:14:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2020-07-08 22:14:56,511 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 156 transitions. [2020-07-08 22:14:56,647 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:56,648 INFO L225 Difference]: With dead ends: 365 [2020-07-08 22:14:56,648 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 22:14:56,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 22:14:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 22:14:56,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 22:14:56,650 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:14:56,650 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 22:14:56,650 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:14:56,650 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:14:56,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:56,651 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:14:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:14:56,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:56,651 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:56,651 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:14:56,651 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:14:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:14:56,652 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:14:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:14:56,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:56,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:14:56,652 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:14:56,652 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:14:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 22:14:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 22:14:56,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2020-07-08 22:14:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:14:56,653 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 22:14:56,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 22:14:56,653 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-08 22:14:56,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:14:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:14:56,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:14:56,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 22:14:56,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 22:14:57,805 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:14:57,805 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:14:57,806 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:14:57,806 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 22:14:57,806 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 22:14:57,806 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:14:57,806 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 8 217) the Hoare annotation is: true [2020-07-08 22:14:57,806 INFO L264 CegarLoopResult]: At program point L151-1(lines 74 183) the Hoare annotation is: (let ((.cse0 (<= 8640 main_~s__state~0))) (or (and (<= main_~blastFlag~0 2) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0))) [2020-07-08 22:14:57,807 INFO L264 CegarLoopResult]: At program point L52(lines 52 193) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,807 INFO L264 CegarLoopResult]: At program point L85-1(lines 74 183) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,807 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-08 22:14:57,807 INFO L264 CegarLoopResult]: At program point L135(lines 135 139) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,807 INFO L264 CegarLoopResult]: At program point L69(lines 68 185) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 3)) [2020-07-08 22:14:57,807 INFO L264 CegarLoopResult]: At program point L36(lines 36 201) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,807 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (and (not (= 0 main_~s__hit~0)) (<= main_~blastFlag~0 3) (<= 8640 main_~s__state~0)) [2020-07-08 22:14:57,807 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (<= main_~blastFlag~0 1) [2020-07-08 22:14:57,808 INFO L264 CegarLoopResult]: At program point L53(lines 52 193) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,808 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-08 22:14:57,808 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,808 INFO L264 CegarLoopResult]: At program point L169-1(lines 74 183) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 3)) [2020-07-08 22:14:57,808 INFO L264 CegarLoopResult]: At program point L37(lines 36 201) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,808 INFO L264 CegarLoopResult]: At program point L120(lines 113 122) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,808 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 8 217) the Hoare annotation is: true [2020-07-08 22:14:57,809 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: false [2020-07-08 22:14:57,809 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,809 INFO L264 CegarLoopResult]: At program point L105(lines 105 123) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,809 INFO L264 CegarLoopResult]: At program point L72(lines 72 183) the Hoare annotation is: (or (and (<= main_~blastFlag~0 3) (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2)) [2020-07-08 22:14:57,809 INFO L264 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (or (and (not (= 0 main_~s__hit~0)) (<= main_~blastFlag~0 2)) (<= main_~blastFlag~0 1)) [2020-07-08 22:14:57,809 INFO L264 CegarLoopResult]: At program point L56(lines 56 191) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,809 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,810 INFO L264 CegarLoopResult]: At program point L172(lines 172 174) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 3)) [2020-07-08 22:14:57,810 INFO L264 CegarLoopResult]: At program point L106(lines 106 110) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,810 INFO L264 CegarLoopResult]: At program point L73(lines 72 183) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 3)) [2020-07-08 22:14:57,810 INFO L264 CegarLoopResult]: At program point L40(lines 40 199) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,810 INFO L264 CegarLoopResult]: At program point L57(lines 56 191) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,810 INFO L264 CegarLoopResult]: At program point L173(lines 8 217) the Hoare annotation is: false [2020-07-08 22:14:57,810 INFO L264 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,810 INFO L264 CegarLoopResult]: At program point L41(lines 40 199) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,811 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= 8640 main_~s__state~0)) [2020-07-08 22:14:57,811 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,811 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,811 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-08 22:14:57,811 INFO L271 CegarLoopResult]: At program point L10-1(line 10) the Hoare annotation is: true [2020-07-08 22:14:57,811 INFO L271 CegarLoopResult]: At program point L10-2(line 10) the Hoare annotation is: true [2020-07-08 22:14:57,812 INFO L264 CegarLoopResult]: At program point L60(lines 60 189) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,812 INFO L264 CegarLoopResult]: At program point L176(lines 22 211) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,812 INFO L264 CegarLoopResult]: At program point L44(lines 44 197) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,812 INFO L271 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-07-08 22:14:57,812 INFO L271 CegarLoopResult]: At program point L11-1(line 11) the Hoare annotation is: true [2020-07-08 22:14:57,812 INFO L271 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: true [2020-07-08 22:14:57,812 INFO L264 CegarLoopResult]: At program point L61(lines 60 189) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,813 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (<= 8656 main_~s__state~0))) (or (and .cse0 (<= main_~blastFlag~0 1)) (and .cse0 (not (= 0 main_~s__hit~0)) (<= main_~blastFlag~0 3)))) [2020-07-08 22:14:57,813 INFO L264 CegarLoopResult]: At program point L45(lines 44 197) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,813 INFO L264 CegarLoopResult]: At program point L78-1(lines 78 80) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,813 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-07-08 22:14:57,813 INFO L271 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-07-08 22:14:57,813 INFO L271 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-07-08 22:14:57,813 INFO L264 CegarLoopResult]: At program point L29(lines 29 204) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,814 INFO L264 CegarLoopResult]: At program point L112(lines 105 123) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,814 INFO L264 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (<= main_~blastFlag~0 0) [2020-07-08 22:14:57,814 INFO L271 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-07-08 22:14:57,814 INFO L271 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: true [2020-07-08 22:14:57,814 INFO L271 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: true [2020-07-08 22:14:57,814 INFO L264 CegarLoopResult]: At program point L162-1(lines 162 164) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 3)) [2020-07-08 22:14:57,814 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) the Hoare annotation is: false [2020-07-08 22:14:57,815 INFO L264 CegarLoopResult]: At program point L30(lines 29 204) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,815 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 8 217) the Hoare annotation is: true [2020-07-08 22:14:57,815 INFO L271 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-07-08 22:14:57,815 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 2)) [2020-07-08 22:14:57,815 INFO L264 CegarLoopResult]: At program point L64(lines 64 187) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,815 INFO L271 CegarLoopResult]: At program point L213(lines 8 217) the Hoare annotation is: true [2020-07-08 22:14:57,815 INFO L264 CegarLoopResult]: At program point L114(lines 114 118) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,815 INFO L264 CegarLoopResult]: At program point L48(lines 48 195) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,816 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-07-08 22:14:57,816 INFO L264 CegarLoopResult]: At program point L65(lines 64 187) the Hoare annotation is: (let ((.cse0 (<= 8640 main_~s__state~0))) (or (and (<= main_~blastFlag~0 2) .cse0) (and (not (= 0 main_~s__hit~0)) (<= main_~blastFlag~0 3) .cse0))) [2020-07-08 22:14:57,816 INFO L264 CegarLoopResult]: At program point L32(lines 32 203) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8656 main_~s__state~0) .cse0) (and (not (= 0 main_~s__hit~0)) .cse0 (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2))) [2020-07-08 22:14:57,816 INFO L264 CegarLoopResult]: At program point L49(lines 48 195) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,816 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-08 22:14:57,816 INFO L264 CegarLoopResult]: At program point L33(lines 32 203) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,817 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-07-08 22:14:57,817 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: false [2020-07-08 22:14:57,817 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,817 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,817 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-08 22:14:57,817 INFO L264 CegarLoopResult]: At program point L68(lines 68 185) the Hoare annotation is: (or (and (<= main_~blastFlag~0 3) (<= 8640 main_~s__state~0)) (<= main_~blastFlag~0 2)) [2020-07-08 22:14:57,870 INFO L163 areAnnotationChecker]: CFG has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 22:14:57,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:14:57 BoogieIcfgContainer [2020-07-08 22:14:57,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:14:57,902 INFO L168 Benchmark]: Toolchain (without parser) took 13243.72 ms. Allocated memory was 144.7 MB in the beginning and 372.8 MB in the end (delta: 228.1 MB). Free memory was 101.6 MB in the beginning and 209.9 MB in the end (delta: -108.4 MB). Peak memory consumption was 119.7 MB. Max. memory is 7.1 GB. [2020-07-08 22:14:57,903 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 22:14:57,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.64 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 181.1 MB in the end (delta: -79.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-07-08 22:14:57,911 INFO L168 Benchmark]: Boogie Preprocessor took 40.62 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 178.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-08 22:14:57,912 INFO L168 Benchmark]: RCFGBuilder took 621.72 ms. Allocated memory is still 201.9 MB. Free memory was 178.7 MB in the beginning and 144.4 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2020-07-08 22:14:57,913 INFO L168 Benchmark]: TraceAbstraction took 12096.79 ms. Allocated memory was 201.9 MB in the beginning and 372.8 MB in the end (delta: 170.9 MB). Free memory was 143.8 MB in the beginning and 209.9 MB in the end (delta: -66.2 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. [2020-07-08 22:14:57,917 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 0.26 ms. Allocated memory is still 144.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 477.64 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 181.1 MB in the end (delta: -79.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.62 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 178.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 621.72 ms. Allocated memory is still 201.9 MB. Free memory was 178.7 MB in the beginning and 144.4 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12096.79 ms. Allocated memory was 201.9 MB in the beginning and 372.8 MB in the end (delta: 170.9 MB). Free memory was 143.8 MB in the beginning and 209.9 MB in the end (delta: -66.2 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 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: 32]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && 8640 <= s__state) || ((!(0 == s__hit) && blastFlag <= 3) && 8640 <= s__state) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 8656 <= s__state && blastFlag <= 3 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((8656 <= s__state && blastFlag <= 3) || ((!(0 == s__hit) && blastFlag <= 3) && 8640 <= s__state)) || blastFlag <= 2 - 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: 8656 <= s__state && blastFlag <= 3 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: blastFlag <= 2 - ProcedureContractResult [Line: 8]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 696 SDtfs, 313 SDslu, 519 SDs, 0 SdLazy, 210 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=335occurred 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: 1.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 85 LocationsWithAnnotation, 85 PreInvPairs, 407 NumberOfFragments, 525 HoareAnnotationTreeSize, 85 FomulaSimplifications, 3335 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 85 FomulaSimplificationsInter, 261 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 379 ConstructedInterpolants, 0 QuantifiedInterpolants, 44169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 193/193 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...