/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 0.1.25-267fbe0 [2020-07-18 05:05:49,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:05:49,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:05:49,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:05:49,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:05:49,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:05:49,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:05:49,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:05:49,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:05:49,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:05:49,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:05:49,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:05:49,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:05:49,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:05:49,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:05:49,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:05:49,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:05:49,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:05:49,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:05:49,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:05:49,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:05:49,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:05:49,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:05:49,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:05:49,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 05:05:49,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:05:49,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:05:49,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:05:49,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:05:49,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:05:49,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:05:49,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:05:49,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:05:49,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:05:49,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:05:49,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:05:49,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:05:49,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:05:49,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:05:49,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:05:49,736 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:05:49,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:05:49,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:05:49,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:05:49,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:05:49,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:05:49,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:05:49,738 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:05:49,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:05:49,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:05:49,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:05:49,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:05:49,739 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:05:49,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:05:49,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:05:49,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:05:49,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:05:49,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:05:49,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:05:49,742 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 [2020-07-18 05:05:50,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:05:50,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:05:50,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:05:50,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:05:50,101 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:05:50,102 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c [2020-07-18 05:05:50,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618126709/8a3ea9620b2a4939a6b802525be11125/FLAG4730f114f [2020-07-18 05:05:50,614 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:05:50,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c [2020-07-18 05:05:50,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618126709/8a3ea9620b2a4939a6b802525be11125/FLAG4730f114f [2020-07-18 05:05:50,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618126709/8a3ea9620b2a4939a6b802525be11125 [2020-07-18 05:05:50,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:05:50,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:05:50,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:05:50,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:05:51,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:05:51,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:05:50" (1/1) ... [2020-07-18 05:05:51,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a8daf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51, skipping insertion in model container [2020-07-18 05:05:51,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:05:50" (1/1) ... [2020-07-18 05:05:51,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:05:51,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:05:51,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:05:51,335 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:05:51,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:05:51,412 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:05:51,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51 WrapperNode [2020-07-18 05:05:51,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:05:51,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:05:51,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:05:51,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:05:51,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (1/1) ... [2020-07-18 05:05:51,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (1/1) ... [2020-07-18 05:05:51,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (1/1) ... [2020-07-18 05:05:51,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (1/1) ... [2020-07-18 05:05:51,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (1/1) ... [2020-07-18 05:05:51,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (1/1) ... [2020-07-18 05:05:51,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (1/1) ... [2020-07-18 05:05:51,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:05:51,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:05:51,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:05:51,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:05:51,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (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 [2020-07-18 05:05:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:05:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:05:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:05:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:05:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-18 05:05:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:05:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-18 05:05:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:05:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:05:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:05:52,146 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:05:52,147 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-18 05:05:52,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:05:52 BoogieIcfgContainer [2020-07-18 05:05:52,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:05:52,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:05:52,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:05:52,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:05:52,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:05:50" (1/3) ... [2020-07-18 05:05:52,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394b703a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:05:52, skipping insertion in model container [2020-07-18 05:05:52,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:05:51" (2/3) ... [2020-07-18 05:05:52,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394b703a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:05:52, skipping insertion in model container [2020-07-18 05:05:52,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:05:52" (3/3) ... [2020-07-18 05:05:52,171 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c [2020-07-18 05:05:52,181 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:05:52,188 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:05:52,199 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:05:52,219 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:05:52,219 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:05:52,219 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:05:52,219 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:05:52,220 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:05:52,220 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:05:52,220 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:05:52,220 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:05:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2020-07-18 05:05:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-18 05:05:52,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:05:52,249 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] [2020-07-18 05:05:52,249 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:05:52,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:05:52,256 INFO L82 PathProgramCache]: Analyzing trace with hash 766781838, now seen corresponding path program 1 times [2020-07-18 05:05:52,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:05:52,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884589689] [2020-07-18 05:05:52,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:05:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:52,451 INFO L280 TraceCheckUtils]: 0: Hoare triple {88#true} assume true; {88#true} is VALID [2020-07-18 05:05:52,451 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {88#true} {88#true} #232#return; {88#true} is VALID [2020-07-18 05:05:52,454 INFO L263 TraceCheckUtils]: 0: Hoare triple {88#true} call ULTIMATE.init(); {88#true} is VALID [2020-07-18 05:05:52,454 INFO L280 TraceCheckUtils]: 1: Hoare triple {88#true} assume true; {88#true} is VALID [2020-07-18 05:05:52,455 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {88#true} {88#true} #232#return; {88#true} is VALID [2020-07-18 05:05:52,455 INFO L263 TraceCheckUtils]: 3: Hoare triple {88#true} call #t~ret5 := main(); {88#true} is VALID [2020-07-18 05:05:52,456 INFO L280 TraceCheckUtils]: 4: Hoare triple {88#true} havoc ~s__state~0; {88#true} is VALID [2020-07-18 05:05:52,456 INFO L280 TraceCheckUtils]: 5: Hoare triple {88#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {88#true} is VALID [2020-07-18 05:05:52,457 INFO L280 TraceCheckUtils]: 6: Hoare triple {88#true} ~s__hit~0 := #t~nondet0; {88#true} is VALID [2020-07-18 05:05:52,457 INFO L280 TraceCheckUtils]: 7: Hoare triple {88#true} havoc #t~nondet0; {88#true} is VALID [2020-07-18 05:05:52,458 INFO L280 TraceCheckUtils]: 8: Hoare triple {88#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {88#true} is VALID [2020-07-18 05:05:52,458 INFO L280 TraceCheckUtils]: 9: Hoare triple {88#true} ~s__verify_mode~0 := #t~nondet1; {88#true} is VALID [2020-07-18 05:05:52,458 INFO L280 TraceCheckUtils]: 10: Hoare triple {88#true} havoc #t~nondet1; {88#true} is VALID [2020-07-18 05:05:52,459 INFO L280 TraceCheckUtils]: 11: Hoare triple {88#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {88#true} is VALID [2020-07-18 05:05:52,459 INFO L280 TraceCheckUtils]: 12: Hoare triple {88#true} ~s__session__peer~0 := #t~nondet2; {88#true} is VALID [2020-07-18 05:05:52,460 INFO L280 TraceCheckUtils]: 13: Hoare triple {88#true} havoc #t~nondet2; {88#true} is VALID [2020-07-18 05:05:52,460 INFO L280 TraceCheckUtils]: 14: Hoare triple {88#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {88#true} is VALID [2020-07-18 05:05:52,460 INFO L280 TraceCheckUtils]: 15: Hoare triple {88#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {88#true} is VALID [2020-07-18 05:05:52,461 INFO L280 TraceCheckUtils]: 16: Hoare triple {88#true} havoc #t~nondet3; {88#true} is VALID [2020-07-18 05:05:52,461 INFO L280 TraceCheckUtils]: 17: Hoare triple {88#true} havoc ~buf~0; {88#true} is VALID [2020-07-18 05:05:52,461 INFO L280 TraceCheckUtils]: 18: Hoare triple {88#true} havoc ~cb~0; {88#true} is VALID [2020-07-18 05:05:52,462 INFO L280 TraceCheckUtils]: 19: Hoare triple {88#true} havoc ~blastFlag~0; {88#true} is VALID [2020-07-18 05:05:52,462 INFO L280 TraceCheckUtils]: 20: Hoare triple {88#true} havoc ~tmp___1~0; {88#true} is VALID [2020-07-18 05:05:52,463 INFO L280 TraceCheckUtils]: 21: Hoare triple {88#true} ~s__state~0 := 8466; {88#true} is VALID [2020-07-18 05:05:52,464 INFO L280 TraceCheckUtils]: 22: Hoare triple {88#true} ~blastFlag~0 := 0; {92#(<= main_~blastFlag~0 0)} is VALID [2020-07-18 05:05:52,465 INFO L280 TraceCheckUtils]: 23: Hoare triple {92#(<= main_~blastFlag~0 0)} assume !false; {92#(<= main_~blastFlag~0 0)} is VALID [2020-07-18 05:05:52,467 INFO L280 TraceCheckUtils]: 24: Hoare triple {92#(<= main_~blastFlag~0 0)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {89#false} is VALID [2020-07-18 05:05:52,467 INFO L280 TraceCheckUtils]: 25: Hoare triple {89#false} assume !false; {89#false} is VALID [2020-07-18 05:05:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:05:52,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884589689] [2020-07-18 05:05:52,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:05:52,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:05:52,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906127879] [2020-07-18 05:05:52,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-18 05:05:52,485 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:05:52,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:05:52,533 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:52,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:05:52,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:05:52,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:05:52,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:05:52,546 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states. [2020-07-18 05:05:53,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:53,026 INFO L93 Difference]: Finished difference Result 198 states and 286 transitions. [2020-07-18 05:05:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:05:53,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-18 05:05:53,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:05:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-18 05:05:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-18 05:05:53,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 286 transitions. [2020-07-18 05:05:53,385 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 286 edges. 286 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:53,402 INFO L225 Difference]: With dead ends: 198 [2020-07-18 05:05:53,402 INFO L226 Difference]: Without dead ends: 128 [2020-07-18 05:05:53,406 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 [2020-07-18 05:05:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-18 05:05:53,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-18 05:05:53,537 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:05:53,538 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand 128 states. [2020-07-18 05:05:53,539 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 128 states. [2020-07-18 05:05:53,539 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 128 states. [2020-07-18 05:05:53,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:53,550 INFO L93 Difference]: Finished difference Result 128 states and 171 transitions. [2020-07-18 05:05:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2020-07-18 05:05:53,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:53,553 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:53,553 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 128 states. [2020-07-18 05:05:53,553 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 128 states. [2020-07-18 05:05:53,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:53,563 INFO L93 Difference]: Finished difference Result 128 states and 171 transitions. [2020-07-18 05:05:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2020-07-18 05:05:53,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:53,566 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:53,566 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:05:53,566 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:05:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-18 05:05:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions. [2020-07-18 05:05:53,576 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 26 [2020-07-18 05:05:53,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:05:53,576 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions. [2020-07-18 05:05:53,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:05:53,577 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 128 states and 171 transitions. [2020-07-18 05:05:53,787 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2020-07-18 05:05:53,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-18 05:05:53,789 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:05:53,789 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] [2020-07-18 05:05:53,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:05:53,790 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:05:53,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:05:53,790 INFO L82 PathProgramCache]: Analyzing trace with hash -184994456, now seen corresponding path program 1 times [2020-07-18 05:05:53,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:05:53,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100195137] [2020-07-18 05:05:53,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:05:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:53,839 INFO L280 TraceCheckUtils]: 0: Hoare triple {1003#true} assume true; {1003#true} is VALID [2020-07-18 05:05:53,839 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1003#true} {1003#true} #232#return; {1003#true} is VALID [2020-07-18 05:05:53,840 INFO L263 TraceCheckUtils]: 0: Hoare triple {1003#true} call ULTIMATE.init(); {1003#true} is VALID [2020-07-18 05:05:53,840 INFO L280 TraceCheckUtils]: 1: Hoare triple {1003#true} assume true; {1003#true} is VALID [2020-07-18 05:05:53,840 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1003#true} {1003#true} #232#return; {1003#true} is VALID [2020-07-18 05:05:53,841 INFO L263 TraceCheckUtils]: 3: Hoare triple {1003#true} call #t~ret5 := main(); {1003#true} is VALID [2020-07-18 05:05:53,841 INFO L280 TraceCheckUtils]: 4: Hoare triple {1003#true} havoc ~s__state~0; {1003#true} is VALID [2020-07-18 05:05:53,841 INFO L280 TraceCheckUtils]: 5: Hoare triple {1003#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1003#true} is VALID [2020-07-18 05:05:53,841 INFO L280 TraceCheckUtils]: 6: Hoare triple {1003#true} ~s__hit~0 := #t~nondet0; {1003#true} is VALID [2020-07-18 05:05:53,842 INFO L280 TraceCheckUtils]: 7: Hoare triple {1003#true} havoc #t~nondet0; {1003#true} is VALID [2020-07-18 05:05:53,842 INFO L280 TraceCheckUtils]: 8: Hoare triple {1003#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1003#true} is VALID [2020-07-18 05:05:53,842 INFO L280 TraceCheckUtils]: 9: Hoare triple {1003#true} ~s__verify_mode~0 := #t~nondet1; {1003#true} is VALID [2020-07-18 05:05:53,843 INFO L280 TraceCheckUtils]: 10: Hoare triple {1003#true} havoc #t~nondet1; {1003#true} is VALID [2020-07-18 05:05:53,843 INFO L280 TraceCheckUtils]: 11: Hoare triple {1003#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1003#true} is VALID [2020-07-18 05:05:53,843 INFO L280 TraceCheckUtils]: 12: Hoare triple {1003#true} ~s__session__peer~0 := #t~nondet2; {1003#true} is VALID [2020-07-18 05:05:53,844 INFO L280 TraceCheckUtils]: 13: Hoare triple {1003#true} havoc #t~nondet2; {1003#true} is VALID [2020-07-18 05:05:53,844 INFO L280 TraceCheckUtils]: 14: Hoare triple {1003#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1003#true} is VALID [2020-07-18 05:05:53,844 INFO L280 TraceCheckUtils]: 15: Hoare triple {1003#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {1003#true} is VALID [2020-07-18 05:05:53,845 INFO L280 TraceCheckUtils]: 16: Hoare triple {1003#true} havoc #t~nondet3; {1003#true} is VALID [2020-07-18 05:05:53,845 INFO L280 TraceCheckUtils]: 17: Hoare triple {1003#true} havoc ~buf~0; {1003#true} is VALID [2020-07-18 05:05:53,845 INFO L280 TraceCheckUtils]: 18: Hoare triple {1003#true} havoc ~cb~0; {1003#true} is VALID [2020-07-18 05:05:53,846 INFO L280 TraceCheckUtils]: 19: Hoare triple {1003#true} havoc ~blastFlag~0; {1003#true} is VALID [2020-07-18 05:05:53,846 INFO L280 TraceCheckUtils]: 20: Hoare triple {1003#true} havoc ~tmp___1~0; {1003#true} is VALID [2020-07-18 05:05:53,846 INFO L280 TraceCheckUtils]: 21: Hoare triple {1003#true} ~s__state~0 := 8466; {1003#true} is VALID [2020-07-18 05:05:53,847 INFO L280 TraceCheckUtils]: 22: Hoare triple {1003#true} ~blastFlag~0 := 0; {1003#true} is VALID [2020-07-18 05:05:53,847 INFO L280 TraceCheckUtils]: 23: Hoare triple {1003#true} assume !false; {1003#true} is VALID [2020-07-18 05:05:53,847 INFO L280 TraceCheckUtils]: 24: Hoare triple {1003#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {1003#true} is VALID [2020-07-18 05:05:53,847 INFO L280 TraceCheckUtils]: 25: Hoare triple {1003#true} assume 8466 == ~s__state~0; {1003#true} is VALID [2020-07-18 05:05:53,848 INFO L280 TraceCheckUtils]: 26: Hoare triple {1003#true} assume 0 == ~blastFlag~0; {1003#true} is VALID [2020-07-18 05:05:53,849 INFO L280 TraceCheckUtils]: 27: Hoare triple {1003#true} ~blastFlag~0 := 1; {1007#(<= main_~blastFlag~0 1)} is VALID [2020-07-18 05:05:53,850 INFO L280 TraceCheckUtils]: 28: Hoare triple {1007#(<= main_~blastFlag~0 1)} ~s__state~0 := 8496; {1007#(<= main_~blastFlag~0 1)} is VALID [2020-07-18 05:05:53,850 INFO L280 TraceCheckUtils]: 29: Hoare triple {1007#(<= main_~blastFlag~0 1)} assume !false; {1007#(<= main_~blastFlag~0 1)} is VALID [2020-07-18 05:05:53,851 INFO L280 TraceCheckUtils]: 30: Hoare triple {1007#(<= main_~blastFlag~0 1)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {1004#false} is VALID [2020-07-18 05:05:53,851 INFO L280 TraceCheckUtils]: 31: Hoare triple {1004#false} assume !false; {1004#false} is VALID [2020-07-18 05:05:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:05:53,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100195137] [2020-07-18 05:05:53,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:05:53,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:05:53,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825110263] [2020-07-18 05:05:53,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-18 05:05:53,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:05:53,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:05:53,886 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:53,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:05:53,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:05:53,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:05:53,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:05:53,888 INFO L87 Difference]: Start difference. First operand 128 states and 171 transitions. Second operand 3 states. [2020-07-18 05:05:54,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:54,254 INFO L93 Difference]: Finished difference Result 233 states and 325 transitions. [2020-07-18 05:05:54,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:05:54,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-18 05:05:54,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:05:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-07-18 05:05:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-07-18 05:05:54,265 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 257 transitions. [2020-07-18 05:05:54,522 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 257 edges. 257 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:54,534 INFO L225 Difference]: With dead ends: 233 [2020-07-18 05:05:54,534 INFO L226 Difference]: Without dead ends: 177 [2020-07-18 05:05:54,535 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 [2020-07-18 05:05:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-18 05:05:54,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-07-18 05:05:54,674 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:05:54,674 INFO L82 GeneralOperation]: Start isEquivalent. First operand 177 states. Second operand 177 states. [2020-07-18 05:05:54,674 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand 177 states. [2020-07-18 05:05:54,674 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 177 states. [2020-07-18 05:05:54,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:54,684 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2020-07-18 05:05:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2020-07-18 05:05:54,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:54,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:54,686 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand 177 states. [2020-07-18 05:05:54,686 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 177 states. [2020-07-18 05:05:54,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:54,696 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2020-07-18 05:05:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2020-07-18 05:05:54,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:54,697 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:54,697 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:05:54,698 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:05:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-07-18 05:05:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions. [2020-07-18 05:05:54,706 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 240 transitions. Word has length 32 [2020-07-18 05:05:54,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:05:54,707 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 240 transitions. [2020-07-18 05:05:54,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:05:54,707 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 177 states and 240 transitions. [2020-07-18 05:05:54,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 240 edges. 240 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2020-07-18 05:05:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-18 05:05:54,967 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:05:54,968 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] [2020-07-18 05:05:54,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:05:54,969 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:05:54,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:05:54,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1532764802, now seen corresponding path program 1 times [2020-07-18 05:05:54,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:05:54,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62024521] [2020-07-18 05:05:54,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:05:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:55,016 INFO L280 TraceCheckUtils]: 0: Hoare triple {2184#true} assume true; {2184#true} is VALID [2020-07-18 05:05:55,017 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2184#true} {2184#true} #232#return; {2184#true} is VALID [2020-07-18 05:05:55,017 INFO L263 TraceCheckUtils]: 0: Hoare triple {2184#true} call ULTIMATE.init(); {2184#true} is VALID [2020-07-18 05:05:55,017 INFO L280 TraceCheckUtils]: 1: Hoare triple {2184#true} assume true; {2184#true} is VALID [2020-07-18 05:05:55,018 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2184#true} {2184#true} #232#return; {2184#true} is VALID [2020-07-18 05:05:55,018 INFO L263 TraceCheckUtils]: 3: Hoare triple {2184#true} call #t~ret5 := main(); {2184#true} is VALID [2020-07-18 05:05:55,018 INFO L280 TraceCheckUtils]: 4: Hoare triple {2184#true} havoc ~s__state~0; {2184#true} is VALID [2020-07-18 05:05:55,019 INFO L280 TraceCheckUtils]: 5: Hoare triple {2184#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2184#true} is VALID [2020-07-18 05:05:55,019 INFO L280 TraceCheckUtils]: 6: Hoare triple {2184#true} ~s__hit~0 := #t~nondet0; {2184#true} is VALID [2020-07-18 05:05:55,019 INFO L280 TraceCheckUtils]: 7: Hoare triple {2184#true} havoc #t~nondet0; {2184#true} is VALID [2020-07-18 05:05:55,019 INFO L280 TraceCheckUtils]: 8: Hoare triple {2184#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2184#true} is VALID [2020-07-18 05:05:55,020 INFO L280 TraceCheckUtils]: 9: Hoare triple {2184#true} ~s__verify_mode~0 := #t~nondet1; {2184#true} is VALID [2020-07-18 05:05:55,020 INFO L280 TraceCheckUtils]: 10: Hoare triple {2184#true} havoc #t~nondet1; {2184#true} is VALID [2020-07-18 05:05:55,020 INFO L280 TraceCheckUtils]: 11: Hoare triple {2184#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2184#true} is VALID [2020-07-18 05:05:55,021 INFO L280 TraceCheckUtils]: 12: Hoare triple {2184#true} ~s__session__peer~0 := #t~nondet2; {2184#true} is VALID [2020-07-18 05:05:55,021 INFO L280 TraceCheckUtils]: 13: Hoare triple {2184#true} havoc #t~nondet2; {2184#true} is VALID [2020-07-18 05:05:55,021 INFO L280 TraceCheckUtils]: 14: Hoare triple {2184#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2184#true} is VALID [2020-07-18 05:05:55,021 INFO L280 TraceCheckUtils]: 15: Hoare triple {2184#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {2184#true} is VALID [2020-07-18 05:05:55,022 INFO L280 TraceCheckUtils]: 16: Hoare triple {2184#true} havoc #t~nondet3; {2184#true} is VALID [2020-07-18 05:05:55,022 INFO L280 TraceCheckUtils]: 17: Hoare triple {2184#true} havoc ~buf~0; {2184#true} is VALID [2020-07-18 05:05:55,022 INFO L280 TraceCheckUtils]: 18: Hoare triple {2184#true} havoc ~cb~0; {2184#true} is VALID [2020-07-18 05:05:55,022 INFO L280 TraceCheckUtils]: 19: Hoare triple {2184#true} havoc ~blastFlag~0; {2184#true} is VALID [2020-07-18 05:05:55,023 INFO L280 TraceCheckUtils]: 20: Hoare triple {2184#true} havoc ~tmp___1~0; {2184#true} is VALID [2020-07-18 05:05:55,023 INFO L280 TraceCheckUtils]: 21: Hoare triple {2184#true} ~s__state~0 := 8466; {2184#true} is VALID [2020-07-18 05:05:55,023 INFO L280 TraceCheckUtils]: 22: Hoare triple {2184#true} ~blastFlag~0 := 0; {2184#true} is VALID [2020-07-18 05:05:55,024 INFO L280 TraceCheckUtils]: 23: Hoare triple {2184#true} assume !false; {2184#true} is VALID [2020-07-18 05:05:55,024 INFO L280 TraceCheckUtils]: 24: Hoare triple {2184#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {2184#true} is VALID [2020-07-18 05:05:55,024 INFO L280 TraceCheckUtils]: 25: Hoare triple {2184#true} assume 8466 == ~s__state~0; {2184#true} is VALID [2020-07-18 05:05:55,024 INFO L280 TraceCheckUtils]: 26: Hoare triple {2184#true} assume 0 == ~blastFlag~0; {2184#true} is VALID [2020-07-18 05:05:55,025 INFO L280 TraceCheckUtils]: 27: Hoare triple {2184#true} ~blastFlag~0 := 1; {2184#true} is VALID [2020-07-18 05:05:55,025 INFO L280 TraceCheckUtils]: 28: Hoare triple {2184#true} ~s__state~0 := 8496; {2184#true} is VALID [2020-07-18 05:05:55,025 INFO L280 TraceCheckUtils]: 29: Hoare triple {2184#true} assume !false; {2184#true} is VALID [2020-07-18 05:05:55,026 INFO L280 TraceCheckUtils]: 30: Hoare triple {2184#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {2184#true} is VALID [2020-07-18 05:05:55,026 INFO L280 TraceCheckUtils]: 31: Hoare triple {2184#true} assume !(8466 == ~s__state~0); {2184#true} is VALID [2020-07-18 05:05:55,026 INFO L280 TraceCheckUtils]: 32: Hoare triple {2184#true} assume 8496 == ~s__state~0; {2184#true} is VALID [2020-07-18 05:05:55,026 INFO L280 TraceCheckUtils]: 33: Hoare triple {2184#true} assume 1 == ~blastFlag~0; {2184#true} is VALID [2020-07-18 05:05:55,027 INFO L280 TraceCheckUtils]: 34: Hoare triple {2184#true} ~blastFlag~0 := 2; {2184#true} is VALID [2020-07-18 05:05:55,027 INFO L280 TraceCheckUtils]: 35: Hoare triple {2184#true} assume 0 != ~s__hit~0; {2184#true} is VALID [2020-07-18 05:05:55,029 INFO L280 TraceCheckUtils]: 36: Hoare triple {2184#true} ~s__state~0 := 8656; {2188#(<= 8656 main_~s__state~0)} is VALID [2020-07-18 05:05:55,030 INFO L280 TraceCheckUtils]: 37: Hoare triple {2188#(<= 8656 main_~s__state~0)} assume !false; {2188#(<= 8656 main_~s__state~0)} is VALID [2020-07-18 05:05:55,030 INFO L280 TraceCheckUtils]: 38: Hoare triple {2188#(<= 8656 main_~s__state~0)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {2185#false} is VALID [2020-07-18 05:05:55,031 INFO L280 TraceCheckUtils]: 39: Hoare triple {2185#false} assume !false; {2185#false} is VALID [2020-07-18 05:05:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-18 05:05:55,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62024521] [2020-07-18 05:05:55,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:05:55,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:05:55,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540133810] [2020-07-18 05:05:55,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-18 05:05:55,035 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:05:55,035 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:05:55,065 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:55,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:05:55,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:05:55,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:05:55,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:05:55,066 INFO L87 Difference]: Start difference. First operand 177 states and 240 transitions. Second operand 3 states. [2020-07-18 05:05:55,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:55,557 INFO L93 Difference]: Finished difference Result 375 states and 534 transitions. [2020-07-18 05:05:55,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:05:55,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-18 05:05:55,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:05:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-18 05:05:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-18 05:05:55,565 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 210 transitions. [2020-07-18 05:05:55,754 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:55,760 INFO L225 Difference]: With dead ends: 375 [2020-07-18 05:05:55,761 INFO L226 Difference]: Without dead ends: 221 [2020-07-18 05:05:55,762 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 [2020-07-18 05:05:55,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-18 05:05:56,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213. [2020-07-18 05:05:56,002 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:05:56,002 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 213 states. [2020-07-18 05:05:56,002 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 213 states. [2020-07-18 05:05:56,003 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 213 states. [2020-07-18 05:05:56,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:56,013 INFO L93 Difference]: Finished difference Result 221 states and 286 transitions. [2020-07-18 05:05:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 286 transitions. [2020-07-18 05:05:56,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:56,014 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:56,014 INFO L74 IsIncluded]: Start isIncluded. First operand 213 states. Second operand 221 states. [2020-07-18 05:05:56,014 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 221 states. [2020-07-18 05:05:56,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:56,023 INFO L93 Difference]: Finished difference Result 221 states and 286 transitions. [2020-07-18 05:05:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 286 transitions. [2020-07-18 05:05:56,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:56,025 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:56,025 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:05:56,025 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:05:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-07-18 05:05:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 276 transitions. [2020-07-18 05:05:56,033 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 276 transitions. Word has length 40 [2020-07-18 05:05:56,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:05:56,034 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 276 transitions. [2020-07-18 05:05:56,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:05:56,034 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 213 states and 276 transitions. [2020-07-18 05:05:56,361 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 276 edges. 276 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 276 transitions. [2020-07-18 05:05:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-18 05:05:56,363 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:05:56,363 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] [2020-07-18 05:05:56,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 05:05:56,363 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:05:56,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:05:56,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1529904866, now seen corresponding path program 1 times [2020-07-18 05:05:56,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:05:56,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048363950] [2020-07-18 05:05:56,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:05:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:56,454 INFO L280 TraceCheckUtils]: 0: Hoare triple {3809#true} assume true; {3809#true} is VALID [2020-07-18 05:05:56,454 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3809#true} {3809#true} #232#return; {3809#true} is VALID [2020-07-18 05:05:56,455 INFO L263 TraceCheckUtils]: 0: Hoare triple {3809#true} call ULTIMATE.init(); {3809#true} is VALID [2020-07-18 05:05:56,455 INFO L280 TraceCheckUtils]: 1: Hoare triple {3809#true} assume true; {3809#true} is VALID [2020-07-18 05:05:56,455 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3809#true} {3809#true} #232#return; {3809#true} is VALID [2020-07-18 05:05:56,455 INFO L263 TraceCheckUtils]: 3: Hoare triple {3809#true} call #t~ret5 := main(); {3809#true} is VALID [2020-07-18 05:05:56,456 INFO L280 TraceCheckUtils]: 4: Hoare triple {3809#true} havoc ~s__state~0; {3809#true} is VALID [2020-07-18 05:05:56,456 INFO L280 TraceCheckUtils]: 5: Hoare triple {3809#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3809#true} is VALID [2020-07-18 05:05:56,456 INFO L280 TraceCheckUtils]: 6: Hoare triple {3809#true} ~s__hit~0 := #t~nondet0; {3809#true} is VALID [2020-07-18 05:05:56,456 INFO L280 TraceCheckUtils]: 7: Hoare triple {3809#true} havoc #t~nondet0; {3809#true} is VALID [2020-07-18 05:05:56,457 INFO L280 TraceCheckUtils]: 8: Hoare triple {3809#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3809#true} is VALID [2020-07-18 05:05:56,457 INFO L280 TraceCheckUtils]: 9: Hoare triple {3809#true} ~s__verify_mode~0 := #t~nondet1; {3809#true} is VALID [2020-07-18 05:05:56,461 INFO L280 TraceCheckUtils]: 10: Hoare triple {3809#true} havoc #t~nondet1; {3809#true} is VALID [2020-07-18 05:05:56,462 INFO L280 TraceCheckUtils]: 11: Hoare triple {3809#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3809#true} is VALID [2020-07-18 05:05:56,462 INFO L280 TraceCheckUtils]: 12: Hoare triple {3809#true} ~s__session__peer~0 := #t~nondet2; {3809#true} is VALID [2020-07-18 05:05:56,462 INFO L280 TraceCheckUtils]: 13: Hoare triple {3809#true} havoc #t~nondet2; {3809#true} is VALID [2020-07-18 05:05:56,463 INFO L280 TraceCheckUtils]: 14: Hoare triple {3809#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3809#true} is VALID [2020-07-18 05:05:56,463 INFO L280 TraceCheckUtils]: 15: Hoare triple {3809#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {3809#true} is VALID [2020-07-18 05:05:56,463 INFO L280 TraceCheckUtils]: 16: Hoare triple {3809#true} havoc #t~nondet3; {3809#true} is VALID [2020-07-18 05:05:56,464 INFO L280 TraceCheckUtils]: 17: Hoare triple {3809#true} havoc ~buf~0; {3809#true} is VALID [2020-07-18 05:05:56,464 INFO L280 TraceCheckUtils]: 18: Hoare triple {3809#true} havoc ~cb~0; {3809#true} is VALID [2020-07-18 05:05:56,464 INFO L280 TraceCheckUtils]: 19: Hoare triple {3809#true} havoc ~blastFlag~0; {3809#true} is VALID [2020-07-18 05:05:56,467 INFO L280 TraceCheckUtils]: 20: Hoare triple {3809#true} havoc ~tmp___1~0; {3809#true} is VALID [2020-07-18 05:05:56,467 INFO L280 TraceCheckUtils]: 21: Hoare triple {3809#true} ~s__state~0 := 8466; {3809#true} is VALID [2020-07-18 05:05:56,467 INFO L280 TraceCheckUtils]: 22: Hoare triple {3809#true} ~blastFlag~0 := 0; {3809#true} is VALID [2020-07-18 05:05:56,468 INFO L280 TraceCheckUtils]: 23: Hoare triple {3809#true} assume !false; {3809#true} is VALID [2020-07-18 05:05:56,468 INFO L280 TraceCheckUtils]: 24: Hoare triple {3809#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {3809#true} is VALID [2020-07-18 05:05:56,468 INFO L280 TraceCheckUtils]: 25: Hoare triple {3809#true} assume 8466 == ~s__state~0; {3809#true} is VALID [2020-07-18 05:05:56,469 INFO L280 TraceCheckUtils]: 26: Hoare triple {3809#true} assume 0 == ~blastFlag~0; {3809#true} is VALID [2020-07-18 05:05:56,469 INFO L280 TraceCheckUtils]: 27: Hoare triple {3809#true} ~blastFlag~0 := 1; {3809#true} is VALID [2020-07-18 05:05:56,469 INFO L280 TraceCheckUtils]: 28: Hoare triple {3809#true} ~s__state~0 := 8496; {3809#true} is VALID [2020-07-18 05:05:56,469 INFO L280 TraceCheckUtils]: 29: Hoare triple {3809#true} assume !false; {3809#true} is VALID [2020-07-18 05:05:56,470 INFO L280 TraceCheckUtils]: 30: Hoare triple {3809#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {3809#true} is VALID [2020-07-18 05:05:56,470 INFO L280 TraceCheckUtils]: 31: Hoare triple {3809#true} assume !(8466 == ~s__state~0); {3809#true} is VALID [2020-07-18 05:05:56,470 INFO L280 TraceCheckUtils]: 32: Hoare triple {3809#true} assume 8496 == ~s__state~0; {3809#true} is VALID [2020-07-18 05:05:56,470 INFO L280 TraceCheckUtils]: 33: Hoare triple {3809#true} assume 1 == ~blastFlag~0; {3809#true} is VALID [2020-07-18 05:05:56,471 INFO L280 TraceCheckUtils]: 34: Hoare triple {3809#true} ~blastFlag~0 := 2; {3813#(<= main_~blastFlag~0 2)} is VALID [2020-07-18 05:05:56,472 INFO L280 TraceCheckUtils]: 35: Hoare triple {3813#(<= main_~blastFlag~0 2)} assume !(0 != ~s__hit~0); {3813#(<= main_~blastFlag~0 2)} is VALID [2020-07-18 05:05:56,472 INFO L280 TraceCheckUtils]: 36: Hoare triple {3813#(<= main_~blastFlag~0 2)} ~s__state~0 := 8512; {3813#(<= main_~blastFlag~0 2)} is VALID [2020-07-18 05:05:56,473 INFO L280 TraceCheckUtils]: 37: Hoare triple {3813#(<= main_~blastFlag~0 2)} assume !false; {3813#(<= main_~blastFlag~0 2)} is VALID [2020-07-18 05:05:56,474 INFO L280 TraceCheckUtils]: 38: Hoare triple {3813#(<= main_~blastFlag~0 2)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {3810#false} is VALID [2020-07-18 05:05:56,474 INFO L280 TraceCheckUtils]: 39: Hoare triple {3810#false} assume !false; {3810#false} is VALID [2020-07-18 05:05:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-18 05:05:56,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048363950] [2020-07-18 05:05:56,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:05:56,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:05:56,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062746369] [2020-07-18 05:05:56,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-18 05:05:56,482 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:05:56,482 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:05:56,522 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:56,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:05:56,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:05:56,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:05:56,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:05:56,524 INFO L87 Difference]: Start difference. First operand 213 states and 276 transitions. Second operand 3 states. [2020-07-18 05:05:57,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:57,073 INFO L93 Difference]: Finished difference Result 403 states and 535 transitions. [2020-07-18 05:05:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:05:57,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-18 05:05:57,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:05:57,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-07-18 05:05:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-07-18 05:05:57,081 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 257 transitions. [2020-07-18 05:05:57,334 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 257 edges. 257 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:57,340 INFO L225 Difference]: With dead ends: 403 [2020-07-18 05:05:57,340 INFO L226 Difference]: Without dead ends: 274 [2020-07-18 05:05:57,341 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 [2020-07-18 05:05:57,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-18 05:05:57,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2020-07-18 05:05:57,637 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:05:57,637 INFO L82 GeneralOperation]: Start isEquivalent. First operand 274 states. Second operand 274 states. [2020-07-18 05:05:57,638 INFO L74 IsIncluded]: Start isIncluded. First operand 274 states. Second operand 274 states. [2020-07-18 05:05:57,638 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 274 states. [2020-07-18 05:05:57,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:57,650 INFO L93 Difference]: Finished difference Result 274 states and 358 transitions. [2020-07-18 05:05:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2020-07-18 05:05:57,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:57,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:57,652 INFO L74 IsIncluded]: Start isIncluded. First operand 274 states. Second operand 274 states. [2020-07-18 05:05:57,652 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 274 states. [2020-07-18 05:05:57,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:57,666 INFO L93 Difference]: Finished difference Result 274 states and 358 transitions. [2020-07-18 05:05:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2020-07-18 05:05:57,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:57,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:57,668 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:05:57,669 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:05:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-07-18 05:05:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions. [2020-07-18 05:05:57,695 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 40 [2020-07-18 05:05:57,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:05:57,695 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions. [2020-07-18 05:05:57,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:05:57,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 274 states and 358 transitions. [2020-07-18 05:05:58,100 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 358 edges. 358 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2020-07-18 05:05:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-18 05:05:58,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:05:58,103 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] [2020-07-18 05:05:58,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 05:05:58,105 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:05:58,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:05:58,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1348776400, now seen corresponding path program 1 times [2020-07-18 05:05:58,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:05:58,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932667093] [2020-07-18 05:05:58,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:05:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:05:58,213 INFO L280 TraceCheckUtils]: 0: Hoare triple {5718#true} assume true; {5718#true} is VALID [2020-07-18 05:05:58,213 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5718#true} {5718#true} #232#return; {5718#true} is VALID [2020-07-18 05:05:58,213 INFO L263 TraceCheckUtils]: 0: Hoare triple {5718#true} call ULTIMATE.init(); {5718#true} is VALID [2020-07-18 05:05:58,213 INFO L280 TraceCheckUtils]: 1: Hoare triple {5718#true} assume true; {5718#true} is VALID [2020-07-18 05:05:58,214 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5718#true} {5718#true} #232#return; {5718#true} is VALID [2020-07-18 05:05:58,214 INFO L263 TraceCheckUtils]: 3: Hoare triple {5718#true} call #t~ret5 := main(); {5718#true} is VALID [2020-07-18 05:05:58,214 INFO L280 TraceCheckUtils]: 4: Hoare triple {5718#true} havoc ~s__state~0; {5718#true} is VALID [2020-07-18 05:05:58,214 INFO L280 TraceCheckUtils]: 5: Hoare triple {5718#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5718#true} is VALID [2020-07-18 05:05:58,214 INFO L280 TraceCheckUtils]: 6: Hoare triple {5718#true} ~s__hit~0 := #t~nondet0; {5718#true} is VALID [2020-07-18 05:05:58,215 INFO L280 TraceCheckUtils]: 7: Hoare triple {5718#true} havoc #t~nondet0; {5718#true} is VALID [2020-07-18 05:05:58,215 INFO L280 TraceCheckUtils]: 8: Hoare triple {5718#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5718#true} is VALID [2020-07-18 05:05:58,215 INFO L280 TraceCheckUtils]: 9: Hoare triple {5718#true} ~s__verify_mode~0 := #t~nondet1; {5718#true} is VALID [2020-07-18 05:05:58,215 INFO L280 TraceCheckUtils]: 10: Hoare triple {5718#true} havoc #t~nondet1; {5718#true} is VALID [2020-07-18 05:05:58,215 INFO L280 TraceCheckUtils]: 11: Hoare triple {5718#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {5718#true} is VALID [2020-07-18 05:05:58,216 INFO L280 TraceCheckUtils]: 12: Hoare triple {5718#true} ~s__session__peer~0 := #t~nondet2; {5718#true} is VALID [2020-07-18 05:05:58,216 INFO L280 TraceCheckUtils]: 13: Hoare triple {5718#true} havoc #t~nondet2; {5718#true} is VALID [2020-07-18 05:05:58,216 INFO L280 TraceCheckUtils]: 14: Hoare triple {5718#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {5718#true} is VALID [2020-07-18 05:05:58,216 INFO L280 TraceCheckUtils]: 15: Hoare triple {5718#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {5718#true} is VALID [2020-07-18 05:05:58,217 INFO L280 TraceCheckUtils]: 16: Hoare triple {5718#true} havoc #t~nondet3; {5718#true} is VALID [2020-07-18 05:05:58,217 INFO L280 TraceCheckUtils]: 17: Hoare triple {5718#true} havoc ~buf~0; {5718#true} is VALID [2020-07-18 05:05:58,217 INFO L280 TraceCheckUtils]: 18: Hoare triple {5718#true} havoc ~cb~0; {5718#true} is VALID [2020-07-18 05:05:58,217 INFO L280 TraceCheckUtils]: 19: Hoare triple {5718#true} havoc ~blastFlag~0; {5718#true} is VALID [2020-07-18 05:05:58,218 INFO L280 TraceCheckUtils]: 20: Hoare triple {5718#true} havoc ~tmp___1~0; {5718#true} is VALID [2020-07-18 05:05:58,218 INFO L280 TraceCheckUtils]: 21: Hoare triple {5718#true} ~s__state~0 := 8466; {5718#true} is VALID [2020-07-18 05:05:58,218 INFO L280 TraceCheckUtils]: 22: Hoare triple {5718#true} ~blastFlag~0 := 0; {5718#true} is VALID [2020-07-18 05:05:58,218 INFO L280 TraceCheckUtils]: 23: Hoare triple {5718#true} assume !false; {5718#true} is VALID [2020-07-18 05:05:58,219 INFO L280 TraceCheckUtils]: 24: Hoare triple {5718#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {5718#true} is VALID [2020-07-18 05:05:58,219 INFO L280 TraceCheckUtils]: 25: Hoare triple {5718#true} assume 8466 == ~s__state~0; {5718#true} is VALID [2020-07-18 05:05:58,219 INFO L280 TraceCheckUtils]: 26: Hoare triple {5718#true} assume 0 == ~blastFlag~0; {5718#true} is VALID [2020-07-18 05:05:58,219 INFO L280 TraceCheckUtils]: 27: Hoare triple {5718#true} ~blastFlag~0 := 1; {5718#true} is VALID [2020-07-18 05:05:58,220 INFO L280 TraceCheckUtils]: 28: Hoare triple {5718#true} ~s__state~0 := 8496; {5718#true} is VALID [2020-07-18 05:05:58,220 INFO L280 TraceCheckUtils]: 29: Hoare triple {5718#true} assume !false; {5718#true} is VALID [2020-07-18 05:05:58,220 INFO L280 TraceCheckUtils]: 30: Hoare triple {5718#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {5718#true} is VALID [2020-07-18 05:05:58,220 INFO L280 TraceCheckUtils]: 31: Hoare triple {5718#true} assume !(8466 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,221 INFO L280 TraceCheckUtils]: 32: Hoare triple {5718#true} assume 8496 == ~s__state~0; {5718#true} is VALID [2020-07-18 05:05:58,221 INFO L280 TraceCheckUtils]: 33: Hoare triple {5718#true} assume 1 == ~blastFlag~0; {5718#true} is VALID [2020-07-18 05:05:58,221 INFO L280 TraceCheckUtils]: 34: Hoare triple {5718#true} ~blastFlag~0 := 2; {5718#true} is VALID [2020-07-18 05:05:58,221 INFO L280 TraceCheckUtils]: 35: Hoare triple {5718#true} assume 0 != ~s__hit~0; {5718#true} is VALID [2020-07-18 05:05:58,222 INFO L280 TraceCheckUtils]: 36: Hoare triple {5718#true} ~s__state~0 := 8656; {5718#true} is VALID [2020-07-18 05:05:58,222 INFO L280 TraceCheckUtils]: 37: Hoare triple {5718#true} assume !false; {5718#true} is VALID [2020-07-18 05:05:58,222 INFO L280 TraceCheckUtils]: 38: Hoare triple {5718#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {5718#true} is VALID [2020-07-18 05:05:58,222 INFO L280 TraceCheckUtils]: 39: Hoare triple {5718#true} assume !(8466 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,223 INFO L280 TraceCheckUtils]: 40: Hoare triple {5718#true} assume !(8496 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,223 INFO L280 TraceCheckUtils]: 41: Hoare triple {5718#true} assume !(8512 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,223 INFO L280 TraceCheckUtils]: 42: Hoare triple {5718#true} assume !(8528 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,223 INFO L280 TraceCheckUtils]: 43: Hoare triple {5718#true} assume !(8544 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,224 INFO L280 TraceCheckUtils]: 44: Hoare triple {5718#true} assume !(8560 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,224 INFO L280 TraceCheckUtils]: 45: Hoare triple {5718#true} assume !(8576 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,224 INFO L280 TraceCheckUtils]: 46: Hoare triple {5718#true} assume !(8592 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,224 INFO L280 TraceCheckUtils]: 47: Hoare triple {5718#true} assume !(8608 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,225 INFO L280 TraceCheckUtils]: 48: Hoare triple {5718#true} assume !(8640 == ~s__state~0); {5718#true} is VALID [2020-07-18 05:05:58,225 INFO L280 TraceCheckUtils]: 49: Hoare triple {5718#true} assume 8656 == ~s__state~0; {5718#true} is VALID [2020-07-18 05:05:58,225 INFO L280 TraceCheckUtils]: 50: Hoare triple {5718#true} assume 2 == ~blastFlag~0; {5718#true} is VALID [2020-07-18 05:05:58,226 INFO L280 TraceCheckUtils]: 51: Hoare triple {5718#true} ~blastFlag~0 := 3; {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,227 INFO L280 TraceCheckUtils]: 52: Hoare triple {5722#(<= main_~blastFlag~0 3)} ~s__state~0 := 8672; {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,227 INFO L280 TraceCheckUtils]: 53: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !false; {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,228 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 [2020-07-18 05:05:58,228 INFO L280 TraceCheckUtils]: 55: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8466 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,229 INFO L280 TraceCheckUtils]: 56: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8496 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,229 INFO L280 TraceCheckUtils]: 57: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8512 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,230 INFO L280 TraceCheckUtils]: 58: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8528 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,230 INFO L280 TraceCheckUtils]: 59: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8544 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,231 INFO L280 TraceCheckUtils]: 60: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8560 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,232 INFO L280 TraceCheckUtils]: 61: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8576 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,232 INFO L280 TraceCheckUtils]: 62: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8592 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,233 INFO L280 TraceCheckUtils]: 63: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8608 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,233 INFO L280 TraceCheckUtils]: 64: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8640 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,234 INFO L280 TraceCheckUtils]: 65: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(8656 == ~s__state~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,235 INFO L280 TraceCheckUtils]: 66: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume 8672 == ~s__state~0; {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,235 INFO L280 TraceCheckUtils]: 67: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume !(4 == ~blastFlag~0); {5722#(<= main_~blastFlag~0 3)} is VALID [2020-07-18 05:05:58,236 INFO L280 TraceCheckUtils]: 68: Hoare triple {5722#(<= main_~blastFlag~0 3)} assume 5 == ~blastFlag~0; {5719#false} is VALID [2020-07-18 05:05:58,236 INFO L280 TraceCheckUtils]: 69: Hoare triple {5719#false} assume !false; {5719#false} is VALID [2020-07-18 05:05:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-18 05:05:58,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932667093] [2020-07-18 05:05:58,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:05:58,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:05:58,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797462583] [2020-07-18 05:05:58,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-18 05:05:58,243 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:05:58,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:05:58,295 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:58,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:05:58,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:05:58,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:05:58,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:05:58,297 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand 3 states. [2020-07-18 05:05:58,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:58,970 INFO L93 Difference]: Finished difference Result 527 states and 700 transitions. [2020-07-18 05:05:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:05:58,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-18 05:05:58,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:05:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:58,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2020-07-18 05:05:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:05:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2020-07-18 05:05:58,977 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 258 transitions. [2020-07-18 05:05:59,224 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 258 edges. 258 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:05:59,233 INFO L225 Difference]: With dead ends: 527 [2020-07-18 05:05:59,233 INFO L226 Difference]: Without dead ends: 337 [2020-07-18 05:05:59,234 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 [2020-07-18 05:05:59,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-07-18 05:05:59,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-07-18 05:05:59,674 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:05:59,674 INFO L82 GeneralOperation]: Start isEquivalent. First operand 337 states. Second operand 335 states. [2020-07-18 05:05:59,674 INFO L74 IsIncluded]: Start isIncluded. First operand 337 states. Second operand 335 states. [2020-07-18 05:05:59,674 INFO L87 Difference]: Start difference. First operand 337 states. Second operand 335 states. [2020-07-18 05:05:59,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:59,684 INFO L93 Difference]: Finished difference Result 337 states and 443 transitions. [2020-07-18 05:05:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2020-07-18 05:05:59,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:59,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:59,686 INFO L74 IsIncluded]: Start isIncluded. First operand 335 states. Second operand 337 states. [2020-07-18 05:05:59,686 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 337 states. [2020-07-18 05:05:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:05:59,697 INFO L93 Difference]: Finished difference Result 337 states and 443 transitions. [2020-07-18 05:05:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2020-07-18 05:05:59,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:05:59,698 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:05:59,699 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:05:59,699 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:05:59,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-18 05:05:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 442 transitions. [2020-07-18 05:05:59,709 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 442 transitions. Word has length 70 [2020-07-18 05:05:59,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:05:59,709 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 442 transitions. [2020-07-18 05:05:59,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:05:59,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 335 states and 442 transitions. [2020-07-18 05:06:00,209 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 442 edges. 442 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 442 transitions. [2020-07-18 05:06:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-18 05:06:00,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:00,211 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] [2020-07-18 05:06:00,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 05:06:00,212 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:00,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:00,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1264034378, now seen corresponding path program 1 times [2020-07-18 05:06:00,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:00,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349549411] [2020-07-18 05:06:00,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:00,270 INFO L280 TraceCheckUtils]: 0: Hoare triple {8123#true} assume true; {8123#true} is VALID [2020-07-18 05:06:00,270 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8123#true} {8123#true} #232#return; {8123#true} is VALID [2020-07-18 05:06:00,271 INFO L263 TraceCheckUtils]: 0: Hoare triple {8123#true} call ULTIMATE.init(); {8123#true} is VALID [2020-07-18 05:06:00,271 INFO L280 TraceCheckUtils]: 1: Hoare triple {8123#true} assume true; {8123#true} is VALID [2020-07-18 05:06:00,271 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8123#true} {8123#true} #232#return; {8123#true} is VALID [2020-07-18 05:06:00,271 INFO L263 TraceCheckUtils]: 3: Hoare triple {8123#true} call #t~ret5 := main(); {8123#true} is VALID [2020-07-18 05:06:00,271 INFO L280 TraceCheckUtils]: 4: Hoare triple {8123#true} havoc ~s__state~0; {8123#true} is VALID [2020-07-18 05:06:00,271 INFO L280 TraceCheckUtils]: 5: Hoare triple {8123#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8123#true} is VALID [2020-07-18 05:06:00,272 INFO L280 TraceCheckUtils]: 6: Hoare triple {8123#true} ~s__hit~0 := #t~nondet0; {8123#true} is VALID [2020-07-18 05:06:00,272 INFO L280 TraceCheckUtils]: 7: Hoare triple {8123#true} havoc #t~nondet0; {8123#true} is VALID [2020-07-18 05:06:00,272 INFO L280 TraceCheckUtils]: 8: Hoare triple {8123#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8123#true} is VALID [2020-07-18 05:06:00,272 INFO L280 TraceCheckUtils]: 9: Hoare triple {8123#true} ~s__verify_mode~0 := #t~nondet1; {8123#true} is VALID [2020-07-18 05:06:00,272 INFO L280 TraceCheckUtils]: 10: Hoare triple {8123#true} havoc #t~nondet1; {8123#true} is VALID [2020-07-18 05:06:00,273 INFO L280 TraceCheckUtils]: 11: Hoare triple {8123#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8123#true} is VALID [2020-07-18 05:06:00,273 INFO L280 TraceCheckUtils]: 12: Hoare triple {8123#true} ~s__session__peer~0 := #t~nondet2; {8123#true} is VALID [2020-07-18 05:06:00,273 INFO L280 TraceCheckUtils]: 13: Hoare triple {8123#true} havoc #t~nondet2; {8123#true} is VALID [2020-07-18 05:06:00,273 INFO L280 TraceCheckUtils]: 14: Hoare triple {8123#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {8123#true} is VALID [2020-07-18 05:06:00,273 INFO L280 TraceCheckUtils]: 15: Hoare triple {8123#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {8123#true} is VALID [2020-07-18 05:06:00,274 INFO L280 TraceCheckUtils]: 16: Hoare triple {8123#true} havoc #t~nondet3; {8123#true} is VALID [2020-07-18 05:06:00,274 INFO L280 TraceCheckUtils]: 17: Hoare triple {8123#true} havoc ~buf~0; {8123#true} is VALID [2020-07-18 05:06:00,274 INFO L280 TraceCheckUtils]: 18: Hoare triple {8123#true} havoc ~cb~0; {8123#true} is VALID [2020-07-18 05:06:00,274 INFO L280 TraceCheckUtils]: 19: Hoare triple {8123#true} havoc ~blastFlag~0; {8123#true} is VALID [2020-07-18 05:06:00,275 INFO L280 TraceCheckUtils]: 20: Hoare triple {8123#true} havoc ~tmp___1~0; {8123#true} is VALID [2020-07-18 05:06:00,275 INFO L280 TraceCheckUtils]: 21: Hoare triple {8123#true} ~s__state~0 := 8466; {8123#true} is VALID [2020-07-18 05:06:00,275 INFO L280 TraceCheckUtils]: 22: Hoare triple {8123#true} ~blastFlag~0 := 0; {8123#true} is VALID [2020-07-18 05:06:00,275 INFO L280 TraceCheckUtils]: 23: Hoare triple {8123#true} assume !false; {8123#true} is VALID [2020-07-18 05:06:00,275 INFO L280 TraceCheckUtils]: 24: Hoare triple {8123#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {8123#true} is VALID [2020-07-18 05:06:00,276 INFO L280 TraceCheckUtils]: 25: Hoare triple {8123#true} assume 8466 == ~s__state~0; {8123#true} is VALID [2020-07-18 05:06:00,276 INFO L280 TraceCheckUtils]: 26: Hoare triple {8123#true} assume 0 == ~blastFlag~0; {8123#true} is VALID [2020-07-18 05:06:00,276 INFO L280 TraceCheckUtils]: 27: Hoare triple {8123#true} ~blastFlag~0 := 1; {8123#true} is VALID [2020-07-18 05:06:00,276 INFO L280 TraceCheckUtils]: 28: Hoare triple {8123#true} ~s__state~0 := 8496; {8123#true} is VALID [2020-07-18 05:06:00,277 INFO L280 TraceCheckUtils]: 29: Hoare triple {8123#true} assume !false; {8123#true} is VALID [2020-07-18 05:06:00,277 INFO L280 TraceCheckUtils]: 30: Hoare triple {8123#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {8123#true} is VALID [2020-07-18 05:06:00,277 INFO L280 TraceCheckUtils]: 31: Hoare triple {8123#true} assume !(8466 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,277 INFO L280 TraceCheckUtils]: 32: Hoare triple {8123#true} assume 8496 == ~s__state~0; {8123#true} is VALID [2020-07-18 05:06:00,278 INFO L280 TraceCheckUtils]: 33: Hoare triple {8123#true} assume 1 == ~blastFlag~0; {8123#true} is VALID [2020-07-18 05:06:00,278 INFO L280 TraceCheckUtils]: 34: Hoare triple {8123#true} ~blastFlag~0 := 2; {8123#true} is VALID [2020-07-18 05:06:00,278 INFO L280 TraceCheckUtils]: 35: Hoare triple {8123#true} assume 0 != ~s__hit~0; {8123#true} is VALID [2020-07-18 05:06:00,278 INFO L280 TraceCheckUtils]: 36: Hoare triple {8123#true} ~s__state~0 := 8656; {8123#true} is VALID [2020-07-18 05:06:00,279 INFO L280 TraceCheckUtils]: 37: Hoare triple {8123#true} assume !false; {8123#true} is VALID [2020-07-18 05:06:00,279 INFO L280 TraceCheckUtils]: 38: Hoare triple {8123#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {8123#true} is VALID [2020-07-18 05:06:00,279 INFO L280 TraceCheckUtils]: 39: Hoare triple {8123#true} assume !(8466 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,279 INFO L280 TraceCheckUtils]: 40: Hoare triple {8123#true} assume !(8496 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,279 INFO L280 TraceCheckUtils]: 41: Hoare triple {8123#true} assume !(8512 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,280 INFO L280 TraceCheckUtils]: 42: Hoare triple {8123#true} assume !(8528 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,280 INFO L280 TraceCheckUtils]: 43: Hoare triple {8123#true} assume !(8544 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,280 INFO L280 TraceCheckUtils]: 44: Hoare triple {8123#true} assume !(8560 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,280 INFO L280 TraceCheckUtils]: 45: Hoare triple {8123#true} assume !(8576 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,281 INFO L280 TraceCheckUtils]: 46: Hoare triple {8123#true} assume !(8592 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,281 INFO L280 TraceCheckUtils]: 47: Hoare triple {8123#true} assume !(8608 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,281 INFO L280 TraceCheckUtils]: 48: Hoare triple {8123#true} assume !(8640 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,281 INFO L280 TraceCheckUtils]: 49: Hoare triple {8123#true} assume 8656 == ~s__state~0; {8123#true} is VALID [2020-07-18 05:06:00,282 INFO L280 TraceCheckUtils]: 50: Hoare triple {8123#true} assume 2 == ~blastFlag~0; {8123#true} is VALID [2020-07-18 05:06:00,282 INFO L280 TraceCheckUtils]: 51: Hoare triple {8123#true} ~blastFlag~0 := 3; {8123#true} is VALID [2020-07-18 05:06:00,282 INFO L280 TraceCheckUtils]: 52: Hoare triple {8123#true} ~s__state~0 := 8672; {8123#true} is VALID [2020-07-18 05:06:00,282 INFO L280 TraceCheckUtils]: 53: Hoare triple {8123#true} assume !false; {8123#true} is VALID [2020-07-18 05:06:00,283 INFO L280 TraceCheckUtils]: 54: Hoare triple {8123#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {8123#true} is VALID [2020-07-18 05:06:00,283 INFO L280 TraceCheckUtils]: 55: Hoare triple {8123#true} assume !(8466 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,283 INFO L280 TraceCheckUtils]: 56: Hoare triple {8123#true} assume !(8496 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,283 INFO L280 TraceCheckUtils]: 57: Hoare triple {8123#true} assume !(8512 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,283 INFO L280 TraceCheckUtils]: 58: Hoare triple {8123#true} assume !(8528 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,284 INFO L280 TraceCheckUtils]: 59: Hoare triple {8123#true} assume !(8544 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,284 INFO L280 TraceCheckUtils]: 60: Hoare triple {8123#true} assume !(8560 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,284 INFO L280 TraceCheckUtils]: 61: Hoare triple {8123#true} assume !(8576 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,284 INFO L280 TraceCheckUtils]: 62: Hoare triple {8123#true} assume !(8592 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,285 INFO L280 TraceCheckUtils]: 63: Hoare triple {8123#true} assume !(8608 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,285 INFO L280 TraceCheckUtils]: 64: Hoare triple {8123#true} assume !(8640 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,285 INFO L280 TraceCheckUtils]: 65: Hoare triple {8123#true} assume !(8656 == ~s__state~0); {8123#true} is VALID [2020-07-18 05:06:00,285 INFO L280 TraceCheckUtils]: 66: Hoare triple {8123#true} assume 8672 == ~s__state~0; {8123#true} is VALID [2020-07-18 05:06:00,285 INFO L280 TraceCheckUtils]: 67: Hoare triple {8123#true} assume !(4 == ~blastFlag~0); {8123#true} is VALID [2020-07-18 05:06:00,286 INFO L280 TraceCheckUtils]: 68: Hoare triple {8123#true} assume !(5 == ~blastFlag~0); {8123#true} is VALID [2020-07-18 05:06:00,286 INFO L280 TraceCheckUtils]: 69: Hoare triple {8123#true} assume 0 != ~s__hit~0; {8123#true} is VALID [2020-07-18 05:06:00,288 INFO L280 TraceCheckUtils]: 70: Hoare triple {8123#true} ~s__state~0 := 8640; {8127#(<= 8640 main_~s__state~0)} is VALID [2020-07-18 05:06:00,289 INFO L280 TraceCheckUtils]: 71: Hoare triple {8127#(<= 8640 main_~s__state~0)} assume !false; {8127#(<= 8640 main_~s__state~0)} is VALID [2020-07-18 05:06:00,290 INFO L280 TraceCheckUtils]: 72: Hoare triple {8127#(<= 8640 main_~s__state~0)} assume ~s__state~0 <= 8512 && ~blastFlag~0 > 2; {8124#false} is VALID [2020-07-18 05:06:00,290 INFO L280 TraceCheckUtils]: 73: Hoare triple {8124#false} assume !false; {8124#false} is VALID [2020-07-18 05:06:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-18 05:06:00,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349549411] [2020-07-18 05:06:00,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:00,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:00,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907637950] [2020-07-18 05:06:00,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-18 05:06:00,296 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:00,296 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:00,360 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:00,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:00,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:00,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:00,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:00,361 INFO L87 Difference]: Start difference. First operand 335 states and 442 transitions. Second operand 3 states. [2020-07-18 05:06:01,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:01,197 INFO L93 Difference]: Finished difference Result 637 states and 866 transitions. [2020-07-18 05:06:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:01,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-18 05:06:01,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2020-07-18 05:06:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:01,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2020-07-18 05:06:01,203 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 208 transitions. [2020-07-18 05:06:01,415 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 208 edges. 208 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:01,420 INFO L225 Difference]: With dead ends: 637 [2020-07-18 05:06:01,421 INFO L226 Difference]: Without dead ends: 243 [2020-07-18 05:06:01,422 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 [2020-07-18 05:06:01,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-07-18 05:06:01,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 240. [2020-07-18 05:06:01,744 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:01,744 INFO L82 GeneralOperation]: Start isEquivalent. First operand 243 states. Second operand 240 states. [2020-07-18 05:06:01,744 INFO L74 IsIncluded]: Start isIncluded. First operand 243 states. Second operand 240 states. [2020-07-18 05:06:01,745 INFO L87 Difference]: Start difference. First operand 243 states. Second operand 240 states. [2020-07-18 05:06:01,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:01,751 INFO L93 Difference]: Finished difference Result 243 states and 304 transitions. [2020-07-18 05:06:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 304 transitions. [2020-07-18 05:06:01,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:01,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:01,753 INFO L74 IsIncluded]: Start isIncluded. First operand 240 states. Second operand 243 states. [2020-07-18 05:06:01,753 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 243 states. [2020-07-18 05:06:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:01,760 INFO L93 Difference]: Finished difference Result 243 states and 304 transitions. [2020-07-18 05:06:01,760 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 304 transitions. [2020-07-18 05:06:01,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:01,761 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:01,761 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:01,761 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-07-18 05:06:01,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 299 transitions. [2020-07-18 05:06:01,768 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 299 transitions. Word has length 74 [2020-07-18 05:06:01,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:01,768 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 299 transitions. [2020-07-18 05:06:01,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:01,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 240 states and 299 transitions. [2020-07-18 05:06:02,083 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 299 edges. 299 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 299 transitions. [2020-07-18 05:06:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-18 05:06:02,085 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:02,085 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] [2020-07-18 05:06:02,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 05:06:02,086 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:02,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:02,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1725408203, now seen corresponding path program 1 times [2020-07-18 05:06:02,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:02,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494881425] [2020-07-18 05:06:02,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:02,202 INFO L280 TraceCheckUtils]: 0: Hoare triple {10370#true} assume true; {10370#true} is VALID [2020-07-18 05:06:02,203 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {10370#true} {10370#true} #232#return; {10370#true} is VALID [2020-07-18 05:06:02,203 INFO L263 TraceCheckUtils]: 0: Hoare triple {10370#true} call ULTIMATE.init(); {10370#true} is VALID [2020-07-18 05:06:02,204 INFO L280 TraceCheckUtils]: 1: Hoare triple {10370#true} assume true; {10370#true} is VALID [2020-07-18 05:06:02,204 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {10370#true} {10370#true} #232#return; {10370#true} is VALID [2020-07-18 05:06:02,204 INFO L263 TraceCheckUtils]: 3: Hoare triple {10370#true} call #t~ret5 := main(); {10370#true} is VALID [2020-07-18 05:06:02,204 INFO L280 TraceCheckUtils]: 4: Hoare triple {10370#true} havoc ~s__state~0; {10370#true} is VALID [2020-07-18 05:06:02,204 INFO L280 TraceCheckUtils]: 5: Hoare triple {10370#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10370#true} is VALID [2020-07-18 05:06:02,205 INFO L280 TraceCheckUtils]: 6: Hoare triple {10370#true} ~s__hit~0 := #t~nondet0; {10370#true} is VALID [2020-07-18 05:06:02,205 INFO L280 TraceCheckUtils]: 7: Hoare triple {10370#true} havoc #t~nondet0; {10370#true} is VALID [2020-07-18 05:06:02,205 INFO L280 TraceCheckUtils]: 8: Hoare triple {10370#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10370#true} is VALID [2020-07-18 05:06:02,209 INFO L280 TraceCheckUtils]: 9: Hoare triple {10370#true} ~s__verify_mode~0 := #t~nondet1; {10370#true} is VALID [2020-07-18 05:06:02,209 INFO L280 TraceCheckUtils]: 10: Hoare triple {10370#true} havoc #t~nondet1; {10370#true} is VALID [2020-07-18 05:06:02,209 INFO L280 TraceCheckUtils]: 11: Hoare triple {10370#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10370#true} is VALID [2020-07-18 05:06:02,209 INFO L280 TraceCheckUtils]: 12: Hoare triple {10370#true} ~s__session__peer~0 := #t~nondet2; {10370#true} is VALID [2020-07-18 05:06:02,209 INFO L280 TraceCheckUtils]: 13: Hoare triple {10370#true} havoc #t~nondet2; {10370#true} is VALID [2020-07-18 05:06:02,210 INFO L280 TraceCheckUtils]: 14: Hoare triple {10370#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10370#true} is VALID [2020-07-18 05:06:02,210 INFO L280 TraceCheckUtils]: 15: Hoare triple {10370#true} ~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet3; {10370#true} is VALID [2020-07-18 05:06:02,210 INFO L280 TraceCheckUtils]: 16: Hoare triple {10370#true} havoc #t~nondet3; {10370#true} is VALID [2020-07-18 05:06:02,210 INFO L280 TraceCheckUtils]: 17: Hoare triple {10370#true} havoc ~buf~0; {10370#true} is VALID [2020-07-18 05:06:02,211 INFO L280 TraceCheckUtils]: 18: Hoare triple {10370#true} havoc ~cb~0; {10370#true} is VALID [2020-07-18 05:06:02,211 INFO L280 TraceCheckUtils]: 19: Hoare triple {10370#true} havoc ~blastFlag~0; {10370#true} is VALID [2020-07-18 05:06:02,211 INFO L280 TraceCheckUtils]: 20: Hoare triple {10370#true} havoc ~tmp___1~0; {10370#true} is VALID [2020-07-18 05:06:02,212 INFO L280 TraceCheckUtils]: 21: Hoare triple {10370#true} ~s__state~0 := 8466; {10370#true} is VALID [2020-07-18 05:06:02,212 INFO L280 TraceCheckUtils]: 22: Hoare triple {10370#true} ~blastFlag~0 := 0; {10370#true} is VALID [2020-07-18 05:06:02,213 INFO L280 TraceCheckUtils]: 23: Hoare triple {10370#true} assume !false; {10370#true} is VALID [2020-07-18 05:06:02,213 INFO L280 TraceCheckUtils]: 24: Hoare triple {10370#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10370#true} is VALID [2020-07-18 05:06:02,213 INFO L280 TraceCheckUtils]: 25: Hoare triple {10370#true} assume 8466 == ~s__state~0; {10370#true} is VALID [2020-07-18 05:06:02,213 INFO L280 TraceCheckUtils]: 26: Hoare triple {10370#true} assume 0 == ~blastFlag~0; {10370#true} is VALID [2020-07-18 05:06:02,213 INFO L280 TraceCheckUtils]: 27: Hoare triple {10370#true} ~blastFlag~0 := 1; {10370#true} is VALID [2020-07-18 05:06:02,214 INFO L280 TraceCheckUtils]: 28: Hoare triple {10370#true} ~s__state~0 := 8496; {10370#true} is VALID [2020-07-18 05:06:02,214 INFO L280 TraceCheckUtils]: 29: Hoare triple {10370#true} assume !false; {10370#true} is VALID [2020-07-18 05:06:02,214 INFO L280 TraceCheckUtils]: 30: Hoare triple {10370#true} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10370#true} is VALID [2020-07-18 05:06:02,214 INFO L280 TraceCheckUtils]: 31: Hoare triple {10370#true} assume !(8466 == ~s__state~0); {10370#true} is VALID [2020-07-18 05:06:02,215 INFO L280 TraceCheckUtils]: 32: Hoare triple {10370#true} assume 8496 == ~s__state~0; {10370#true} is VALID [2020-07-18 05:06:02,215 INFO L280 TraceCheckUtils]: 33: Hoare triple {10370#true} assume 1 == ~blastFlag~0; {10370#true} is VALID [2020-07-18 05:06:02,215 INFO L280 TraceCheckUtils]: 34: Hoare triple {10370#true} ~blastFlag~0 := 2; {10370#true} is VALID [2020-07-18 05:06:02,216 INFO L280 TraceCheckUtils]: 35: Hoare triple {10370#true} assume 0 != ~s__hit~0; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-18 05:06:02,217 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 [2020-07-18 05:06:02,218 INFO L280 TraceCheckUtils]: 37: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !false; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-18 05:06:02,218 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 [2020-07-18 05:06:02,219 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 [2020-07-18 05:06:02,219 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 [2020-07-18 05:06:02,220 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 [2020-07-18 05:06:02,220 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 [2020-07-18 05:06:02,221 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 [2020-07-18 05:06:02,221 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 [2020-07-18 05:06:02,222 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 [2020-07-18 05:06:02,222 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 [2020-07-18 05:06:02,223 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 [2020-07-18 05:06:02,223 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 [2020-07-18 05:06:02,224 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 [2020-07-18 05:06:02,224 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 [2020-07-18 05:06:02,225 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 [2020-07-18 05:06:02,225 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 [2020-07-18 05:06:02,226 INFO L280 TraceCheckUtils]: 53: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !false; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-18 05:06:02,226 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 [2020-07-18 05:06:02,227 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 [2020-07-18 05:06:02,227 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 [2020-07-18 05:06:02,228 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 [2020-07-18 05:06:02,228 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 [2020-07-18 05:06:02,229 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 [2020-07-18 05:06:02,229 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 [2020-07-18 05:06:02,230 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 [2020-07-18 05:06:02,230 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 [2020-07-18 05:06:02,231 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 [2020-07-18 05:06:02,231 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 [2020-07-18 05:06:02,232 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 [2020-07-18 05:06:02,232 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 [2020-07-18 05:06:02,233 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 [2020-07-18 05:06:02,233 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 [2020-07-18 05:06:02,234 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 [2020-07-18 05:06:02,234 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 [2020-07-18 05:06:02,235 INFO L280 TraceCheckUtils]: 71: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !false; {10374#(not (= 0 main_~s__hit~0))} is VALID [2020-07-18 05:06:02,235 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 [2020-07-18 05:06:02,236 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 [2020-07-18 05:06:02,236 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 [2020-07-18 05:06:02,237 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 [2020-07-18 05:06:02,237 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 [2020-07-18 05:06:02,238 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 [2020-07-18 05:06:02,238 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 [2020-07-18 05:06:02,239 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 [2020-07-18 05:06:02,239 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 [2020-07-18 05:06:02,240 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 [2020-07-18 05:06:02,240 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 [2020-07-18 05:06:02,241 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 [2020-07-18 05:06:02,241 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 [2020-07-18 05:06:02,243 INFO L280 TraceCheckUtils]: 85: Hoare triple {10374#(not (= 0 main_~s__hit~0))} assume !(0 != ~s__hit~0); {10371#false} is VALID [2020-07-18 05:06:02,243 INFO L280 TraceCheckUtils]: 86: Hoare triple {10371#false} ~s__state~0 := 8656; {10371#false} is VALID [2020-07-18 05:06:02,243 INFO L280 TraceCheckUtils]: 87: Hoare triple {10371#false} assume !false; {10371#false} is VALID [2020-07-18 05:06:02,243 INFO L280 TraceCheckUtils]: 88: Hoare triple {10371#false} assume !(~s__state~0 <= 8512 && ~blastFlag~0 > 2); {10371#false} is VALID [2020-07-18 05:06:02,244 INFO L280 TraceCheckUtils]: 89: Hoare triple {10371#false} assume !(8466 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,244 INFO L280 TraceCheckUtils]: 90: Hoare triple {10371#false} assume !(8496 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,244 INFO L280 TraceCheckUtils]: 91: Hoare triple {10371#false} assume !(8512 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,244 INFO L280 TraceCheckUtils]: 92: Hoare triple {10371#false} assume !(8528 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,245 INFO L280 TraceCheckUtils]: 93: Hoare triple {10371#false} assume !(8544 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,245 INFO L280 TraceCheckUtils]: 94: Hoare triple {10371#false} assume !(8560 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,245 INFO L280 TraceCheckUtils]: 95: Hoare triple {10371#false} assume !(8576 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,245 INFO L280 TraceCheckUtils]: 96: Hoare triple {10371#false} assume !(8592 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,245 INFO L280 TraceCheckUtils]: 97: Hoare triple {10371#false} assume !(8608 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,246 INFO L280 TraceCheckUtils]: 98: Hoare triple {10371#false} assume !(8640 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,246 INFO L280 TraceCheckUtils]: 99: Hoare triple {10371#false} assume !(8656 == ~s__state~0); {10371#false} is VALID [2020-07-18 05:06:02,246 INFO L280 TraceCheckUtils]: 100: Hoare triple {10371#false} assume 8672 == ~s__state~0; {10371#false} is VALID [2020-07-18 05:06:02,246 INFO L280 TraceCheckUtils]: 101: Hoare triple {10371#false} assume !(4 == ~blastFlag~0); {10371#false} is VALID [2020-07-18 05:06:02,246 INFO L280 TraceCheckUtils]: 102: Hoare triple {10371#false} assume 5 == ~blastFlag~0; {10371#false} is VALID [2020-07-18 05:06:02,247 INFO L280 TraceCheckUtils]: 103: Hoare triple {10371#false} assume !false; {10371#false} is VALID [2020-07-18 05:06:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-18 05:06:02,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494881425] [2020-07-18 05:06:02,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:02,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:02,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197696693] [2020-07-18 05:06:02,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-07-18 05:06:02,264 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:02,264 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:02,347 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:02,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:02,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:02,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:02,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:02,348 INFO L87 Difference]: Start difference. First operand 240 states and 299 transitions. Second operand 3 states. [2020-07-18 05:06:02,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:02,947 INFO L93 Difference]: Finished difference Result 365 states and 436 transitions. [2020-07-18 05:06:02,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:02,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-07-18 05:06:02,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2020-07-18 05:06:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2020-07-18 05:06:02,951 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 156 transitions. [2020-07-18 05:06:03,089 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:03,090 INFO L225 Difference]: With dead ends: 365 [2020-07-18 05:06:03,090 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 05:06:03,091 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 [2020-07-18 05:06:03,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 05:06:03,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 05:06:03,092 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:03,092 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 05:06:03,092 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 05:06:03,092 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 05:06:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:03,092 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 05:06:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:06:03,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:03,093 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:03,093 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 05:06:03,093 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 05:06:03,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:03,093 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 05:06:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:06:03,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:03,094 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:03,094 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:03,094 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 05:06:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 05:06:03,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2020-07-18 05:06:03,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:03,095 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 05:06:03,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:03,095 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 05:06:03,095 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:06:03,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:03,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 05:06:03,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 05:06:04,261 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 05:06:04,262 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 05:06:04,262 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 05:06:04,262 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 05:06:04,262 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 05:06:04,262 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 05:06:04,262 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 8 217) the Hoare annotation is: true [2020-07-18 05:06:04,262 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))) [2020-07-18 05:06:04,262 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))) [2020-07-18 05:06:04,263 INFO L264 CegarLoopResult]: At program point L85-1(lines 74 183) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,263 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-18 05:06:04,263 INFO L264 CegarLoopResult]: At program point L135(lines 135 139) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,263 INFO L264 CegarLoopResult]: At program point L69(lines 68 185) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 3)) [2020-07-18 05:06:04,263 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))) [2020-07-18 05:06:04,263 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)) [2020-07-18 05:06:04,264 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (<= main_~blastFlag~0 1) [2020-07-18 05:06:04,264 INFO L264 CegarLoopResult]: At program point L53(lines 52 193) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,264 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-18 05:06:04,264 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,264 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)) [2020-07-18 05:06:04,264 INFO L264 CegarLoopResult]: At program point L37(lines 36 201) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,264 INFO L264 CegarLoopResult]: At program point L120(lines 113 122) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,264 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 8 217) the Hoare annotation is: true [2020-07-18 05:06:04,265 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: false [2020-07-18 05:06:04,265 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,265 INFO L264 CegarLoopResult]: At program point L105(lines 105 123) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,265 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)) [2020-07-18 05:06:04,265 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)) [2020-07-18 05:06:04,265 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))) [2020-07-18 05:06:04,265 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))) [2020-07-18 05:06:04,265 INFO L264 CegarLoopResult]: At program point L172(lines 172 174) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 3)) [2020-07-18 05:06:04,265 INFO L264 CegarLoopResult]: At program point L106(lines 106 110) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,265 INFO L264 CegarLoopResult]: At program point L73(lines 72 183) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 3)) [2020-07-18 05:06:04,266 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))) [2020-07-18 05:06:04,266 INFO L264 CegarLoopResult]: At program point L57(lines 56 191) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,266 INFO L264 CegarLoopResult]: At program point L173(lines 8 217) the Hoare annotation is: false [2020-07-18 05:06:04,266 INFO L264 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,266 INFO L264 CegarLoopResult]: At program point L41(lines 40 199) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,266 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= 8640 main_~s__state~0)) [2020-07-18 05:06:04,266 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,266 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,266 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-18 05:06:04,267 INFO L271 CegarLoopResult]: At program point L10-1(line 10) the Hoare annotation is: true [2020-07-18 05:06:04,267 INFO L271 CegarLoopResult]: At program point L10-2(line 10) the Hoare annotation is: true [2020-07-18 05:06:04,267 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))) [2020-07-18 05:06:04,267 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))) [2020-07-18 05:06:04,267 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))) [2020-07-18 05:06:04,267 INFO L271 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-07-18 05:06:04,268 INFO L271 CegarLoopResult]: At program point L11-1(line 11) the Hoare annotation is: true [2020-07-18 05:06:04,268 INFO L271 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: true [2020-07-18 05:06:04,268 INFO L264 CegarLoopResult]: At program point L61(lines 60 189) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,268 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)))) [2020-07-18 05:06:04,268 INFO L264 CegarLoopResult]: At program point L45(lines 44 197) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,268 INFO L264 CegarLoopResult]: At program point L78-1(lines 78 80) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,268 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-07-18 05:06:04,269 INFO L271 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-07-18 05:06:04,269 INFO L271 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-07-18 05:06:04,269 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))) [2020-07-18 05:06:04,269 INFO L264 CegarLoopResult]: At program point L112(lines 105 123) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,269 INFO L264 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (<= main_~blastFlag~0 0) [2020-07-18 05:06:04,269 INFO L271 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-07-18 05:06:04,269 INFO L271 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: true [2020-07-18 05:06:04,270 INFO L271 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: true [2020-07-18 05:06:04,270 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)) [2020-07-18 05:06:04,270 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) the Hoare annotation is: false [2020-07-18 05:06:04,270 INFO L264 CegarLoopResult]: At program point L30(lines 29 204) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,270 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 8 217) the Hoare annotation is: true [2020-07-18 05:06:04,270 INFO L271 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-07-18 05:06:04,271 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (and (<= 8656 main_~s__state~0) (<= main_~blastFlag~0 2)) [2020-07-18 05:06:04,271 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))) [2020-07-18 05:06:04,271 INFO L271 CegarLoopResult]: At program point L213(lines 8 217) the Hoare annotation is: true [2020-07-18 05:06:04,271 INFO L264 CegarLoopResult]: At program point L114(lines 114 118) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,271 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))) [2020-07-18 05:06:04,271 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-07-18 05:06:04,271 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))) [2020-07-18 05:06:04,272 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))) [2020-07-18 05:06:04,272 INFO L264 CegarLoopResult]: At program point L49(lines 48 195) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,272 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-18 05:06:04,272 INFO L264 CegarLoopResult]: At program point L33(lines 32 203) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,272 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-07-18 05:06:04,272 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: false [2020-07-18 05:06:04,273 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,273 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,273 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (<= main_~blastFlag~0 2) [2020-07-18 05:06:04,273 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)) [2020-07-18 05:06:04,319 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. [2020-07-18 05:06:04,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:06:04 BoogieIcfgContainer [2020-07-18 05:06:04,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:06:04,351 INFO L168 Benchmark]: Toolchain (without parser) took 13358.32 ms. Allocated memory was 138.4 MB in the beginning and 377.0 MB in the end (delta: 238.6 MB). Free memory was 103.8 MB in the beginning and 227.9 MB in the end (delta: -124.1 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. [2020-07-18 05:06:04,356 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 05:06:04,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.82 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 92.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:06:04,360 INFO L168 Benchmark]: Boogie Preprocessor took 135.80 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.0 MB in the beginning and 179.7 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-18 05:06:04,360 INFO L168 Benchmark]: RCFGBuilder took 601.79 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 145.0 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2020-07-18 05:06:04,361 INFO L168 Benchmark]: TraceAbstraction took 12190.08 ms. Allocated memory was 201.9 MB in the beginning and 377.0 MB in the end (delta: 175.1 MB). Free memory was 145.0 MB in the beginning and 227.9 MB in the end (delta: -82.9 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2020-07-18 05:06:04,369 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 1.03 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 418.82 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 92.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.80 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.0 MB in the beginning and 179.7 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 601.79 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 145.0 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12190.08 ms. Allocated memory was 201.9 MB in the beginning and 377.0 MB in the end (delta: 175.1 MB). Free memory was 145.0 MB in the beginning and 227.9 MB in the end (delta: -82.9 MB). Peak memory consumption was 92.2 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: 10.8s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 5.7s, 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: 1.7s 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, 0.5s 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...