/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:32:56,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:32:56,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:32:57,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 18:32:57,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:32:57,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:32:57,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:32:57,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:32:57,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:32:57,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:32:57,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:32:57,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:32:57,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:32:57,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:32:57,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:32:57,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:32:57,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 18:32:57,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:32:57,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:32:57,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:32:57,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:32:57,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:32:57,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:32:57,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:32:57,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:32:57,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:32:57,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:32:57,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:32:57,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:32:57,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:32:57,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:32:57,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:32:57,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:32:57,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:32:57,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:32:57,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:32:57,131 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:32:57,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:32:57,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:32:57,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:32:57,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:32:57,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:32:57,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:32:57,132 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:32:57,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:32:57,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:32:57,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:32:57,455 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:32:57,456 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:32:57,456 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-08-22 18:32:57,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9748d7c0e/9f909eba614a496bb7768aa9613f7332/FLAG534dabfa8 [2020-08-22 18:32:58,065 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:32:58,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-08-22 18:32:58,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9748d7c0e/9f909eba614a496bb7768aa9613f7332/FLAG534dabfa8 [2020-08-22 18:32:58,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9748d7c0e/9f909eba614a496bb7768aa9613f7332 [2020-08-22 18:32:58,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:32:58,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:32:58,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:32:58,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:32:58,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:32:58,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bba7ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58, skipping insertion in model container [2020-08-22 18:32:58,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:32:58,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:32:58,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:32:58,730 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:32:58,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:32:58,905 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:32:58,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58 WrapperNode [2020-08-22 18:32:58,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:32:58,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:32:58,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:32:58,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:32:58,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (1/1) ... [2020-08-22 18:32:58,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:32:58,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:32:58,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:32:58,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:32:58,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (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 [2020-08-22 18:32:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:32:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:32:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-08-22 18:32:59,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:32:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:32:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 18:32:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-08-22 18:32:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-08-22 18:32:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:32:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:32:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:32:59,185 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-22 18:32:59,791 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-08-22 18:32:59,791 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-08-22 18:32:59,813 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:32:59,814 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 18:32:59,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:32:59 BoogieIcfgContainer [2020-08-22 18:32:59,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:32:59,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:32:59,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:32:59,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:32:59,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:32:58" (1/3) ... [2020-08-22 18:32:59,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7b5e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:32:59, skipping insertion in model container [2020-08-22 18:32:59,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:58" (2/3) ... [2020-08-22 18:32:59,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7b5e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:32:59, skipping insertion in model container [2020-08-22 18:32:59,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:32:59" (3/3) ... [2020-08-22 18:32:59,829 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2020-08-22 18:32:59,840 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:32:59,849 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:32:59,864 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:32:59,888 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:32:59,888 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:32:59,889 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:32:59,889 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:32:59,889 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:32:59,889 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:32:59,889 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:32:59,889 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:32:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-08-22 18:32:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 18:32:59,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:32:59,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:32:59,934 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:32:59,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:32:59,941 INFO L82 PathProgramCache]: Analyzing trace with hash 663725490, now seen corresponding path program 1 times [2020-08-22 18:32:59,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:32:59,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953643287] [2020-08-22 18:32:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:00,003 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:00,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:00,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:00,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953643287] [2020-08-22 18:33:00,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:00,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 18:33:00,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830329985] [2020-08-22 18:33:00,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 18:33:00,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:00,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 18:33:00,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 18:33:00,373 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 3 states. [2020-08-22 18:33:00,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:00,615 INFO L93 Difference]: Finished difference Result 577 states and 753 transitions. [2020-08-22 18:33:00,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 18:33:00,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-08-22 18:33:00,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:00,635 INFO L225 Difference]: With dead ends: 577 [2020-08-22 18:33:00,635 INFO L226 Difference]: Without dead ends: 317 [2020-08-22 18:33:00,641 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 [2020-08-22 18:33:00,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-08-22 18:33:00,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-08-22 18:33:00,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-08-22 18:33:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 375 transitions. [2020-08-22 18:33:00,717 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 375 transitions. Word has length 142 [2020-08-22 18:33:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:00,718 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 375 transitions. [2020-08-22 18:33:00,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 18:33:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 375 transitions. [2020-08-22 18:33:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 18:33:00,721 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:00,722 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:00,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:33:00,722 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:00,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:00,723 INFO L82 PathProgramCache]: Analyzing trace with hash 980116923, now seen corresponding path program 1 times [2020-08-22 18:33:00,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:00,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268711276] [2020-08-22 18:33:00,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:00,743 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:00,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:00,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268711276] [2020-08-22 18:33:00,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:00,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 18:33:00,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871143574] [2020-08-22 18:33:00,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 18:33:00,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:00,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 18:33:00,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 18:33:00,873 INFO L87 Difference]: Start difference. First operand 317 states and 375 transitions. Second operand 3 states. [2020-08-22 18:33:01,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:01,063 INFO L93 Difference]: Finished difference Result 534 states and 657 transitions. [2020-08-22 18:33:01,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 18:33:01,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-08-22 18:33:01,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:01,068 INFO L225 Difference]: With dead ends: 534 [2020-08-22 18:33:01,068 INFO L226 Difference]: Without dead ends: 345 [2020-08-22 18:33:01,071 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 [2020-08-22 18:33:01,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-08-22 18:33:01,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 335. [2020-08-22 18:33:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-08-22 18:33:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 398 transitions. [2020-08-22 18:33:01,098 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 398 transitions. Word has length 160 [2020-08-22 18:33:01,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:01,099 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 398 transitions. [2020-08-22 18:33:01,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 18:33:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 398 transitions. [2020-08-22 18:33:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-22 18:33:01,102 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:01,102 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:01,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 18:33:01,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:01,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:01,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1724791051, now seen corresponding path program 1 times [2020-08-22 18:33:01,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:01,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139459386] [2020-08-22 18:33:01,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:01,112 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:01,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:01,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139459386] [2020-08-22 18:33:01,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:01,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 18:33:01,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19701847] [2020-08-22 18:33:01,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 18:33:01,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:01,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 18:33:01,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 18:33:01,223 INFO L87 Difference]: Start difference. First operand 335 states and 398 transitions. Second operand 4 states. [2020-08-22 18:33:01,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:01,703 INFO L93 Difference]: Finished difference Result 885 states and 1142 transitions. [2020-08-22 18:33:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 18:33:01,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-08-22 18:33:01,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:01,708 INFO L225 Difference]: With dead ends: 885 [2020-08-22 18:33:01,708 INFO L226 Difference]: Without dead ends: 678 [2020-08-22 18:33:01,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 18:33:01,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2020-08-22 18:33:01,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 382. [2020-08-22 18:33:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-08-22 18:33:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 453 transitions. [2020-08-22 18:33:01,742 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 453 transitions. Word has length 167 [2020-08-22 18:33:01,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:01,743 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 453 transitions. [2020-08-22 18:33:01,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 18:33:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 453 transitions. [2020-08-22 18:33:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-08-22 18:33:01,746 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:01,747 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:01,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 18:33:01,747 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:01,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:01,748 INFO L82 PathProgramCache]: Analyzing trace with hash -2007825220, now seen corresponding path program 1 times [2020-08-22 18:33:01,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:01,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450138214] [2020-08-22 18:33:01,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:01,758 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:01,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:01,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450138214] [2020-08-22 18:33:01,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:01,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 18:33:01,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464755452] [2020-08-22 18:33:01,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 18:33:01,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:01,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 18:33:01,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 18:33:01,884 INFO L87 Difference]: Start difference. First operand 382 states and 453 transitions. Second operand 3 states. [2020-08-22 18:33:01,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:01,963 INFO L93 Difference]: Finished difference Result 877 states and 1079 transitions. [2020-08-22 18:33:01,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 18:33:01,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-08-22 18:33:01,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:01,968 INFO L225 Difference]: With dead ends: 877 [2020-08-22 18:33:01,968 INFO L226 Difference]: Without dead ends: 623 [2020-08-22 18:33:01,969 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 [2020-08-22 18:33:01,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-08-22 18:33:02,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 621. [2020-08-22 18:33:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-08-22 18:33:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 752 transitions. [2020-08-22 18:33:02,004 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 752 transitions. Word has length 180 [2020-08-22 18:33:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:02,005 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 752 transitions. [2020-08-22 18:33:02,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 18:33:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 752 transitions. [2020-08-22 18:33:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-22 18:33:02,008 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:02,008 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:02,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 18:33:02,009 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:02,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:02,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1957933229, now seen corresponding path program 1 times [2020-08-22 18:33:02,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:02,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449652179] [2020-08-22 18:33:02,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:02,017 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:02,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:02,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449652179] [2020-08-22 18:33:02,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:02,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 18:33:02,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491991133] [2020-08-22 18:33:02,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 18:33:02,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:02,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 18:33:02,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 18:33:02,118 INFO L87 Difference]: Start difference. First operand 621 states and 752 transitions. Second operand 3 states. [2020-08-22 18:33:02,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:02,341 INFO L93 Difference]: Finished difference Result 913 states and 1125 transitions. [2020-08-22 18:33:02,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 18:33:02,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-08-22 18:33:02,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:02,347 INFO L225 Difference]: With dead ends: 913 [2020-08-22 18:33:02,348 INFO L226 Difference]: Without dead ends: 659 [2020-08-22 18:33:02,349 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 [2020-08-22 18:33:02,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-08-22 18:33:02,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 641. [2020-08-22 18:33:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-08-22 18:33:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 777 transitions. [2020-08-22 18:33:02,396 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 777 transitions. Word has length 181 [2020-08-22 18:33:02,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:02,397 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 777 transitions. [2020-08-22 18:33:02,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 18:33:02,397 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 777 transitions. [2020-08-22 18:33:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-08-22 18:33:02,401 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:02,402 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:02,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 18:33:02,402 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:02,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:02,403 INFO L82 PathProgramCache]: Analyzing trace with hash 129935299, now seen corresponding path program 1 times [2020-08-22 18:33:02,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:02,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143754047] [2020-08-22 18:33:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:02,410 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:02,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143754047] [2020-08-22 18:33:02,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:02,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 18:33:02,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358387992] [2020-08-22 18:33:02,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 18:33:02,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:02,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 18:33:02,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 18:33:02,536 INFO L87 Difference]: Start difference. First operand 641 states and 777 transitions. Second operand 3 states. [2020-08-22 18:33:02,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:02,644 INFO L93 Difference]: Finished difference Result 1599 states and 1969 transitions. [2020-08-22 18:33:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 18:33:02,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-08-22 18:33:02,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:02,652 INFO L225 Difference]: With dead ends: 1599 [2020-08-22 18:33:02,653 INFO L226 Difference]: Without dead ends: 1086 [2020-08-22 18:33:02,655 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 [2020-08-22 18:33:02,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-08-22 18:33:02,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1080. [2020-08-22 18:33:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-08-22 18:33:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1313 transitions. [2020-08-22 18:33:02,770 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1313 transitions. Word has length 188 [2020-08-22 18:33:02,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:02,771 INFO L479 AbstractCegarLoop]: Abstraction has 1080 states and 1313 transitions. [2020-08-22 18:33:02,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 18:33:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1313 transitions. [2020-08-22 18:33:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-08-22 18:33:02,778 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:02,778 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:02,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 18:33:02,779 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:02,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:02,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1932501654, now seen corresponding path program 1 times [2020-08-22 18:33:02,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:02,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24065412] [2020-08-22 18:33:02,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:02,789 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:02,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:02,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24065412] [2020-08-22 18:33:02,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:02,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 18:33:02,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873343414] [2020-08-22 18:33:02,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 18:33:02,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:02,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 18:33:02,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 18:33:02,930 INFO L87 Difference]: Start difference. First operand 1080 states and 1313 transitions. Second operand 3 states. [2020-08-22 18:33:03,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:03,079 INFO L93 Difference]: Finished difference Result 2050 states and 2515 transitions. [2020-08-22 18:33:03,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 18:33:03,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-08-22 18:33:03,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:03,088 INFO L225 Difference]: With dead ends: 2050 [2020-08-22 18:33:03,089 INFO L226 Difference]: Without dead ends: 1098 [2020-08-22 18:33:03,092 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 [2020-08-22 18:33:03,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2020-08-22 18:33:03,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1088. [2020-08-22 18:33:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2020-08-22 18:33:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1318 transitions. [2020-08-22 18:33:03,211 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1318 transitions. Word has length 189 [2020-08-22 18:33:03,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:03,212 INFO L479 AbstractCegarLoop]: Abstraction has 1088 states and 1318 transitions. [2020-08-22 18:33:03,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 18:33:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1318 transitions. [2020-08-22 18:33:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-08-22 18:33:03,218 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:03,219 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:03,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 18:33:03,220 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:03,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:03,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1261577978, now seen corresponding path program 1 times [2020-08-22 18:33:03,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:03,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352444772] [2020-08-22 18:33:03,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:03,225 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:03,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:03,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352444772] [2020-08-22 18:33:03,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:03,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 18:33:03,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065667094] [2020-08-22 18:33:03,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 18:33:03,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:03,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 18:33:03,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 18:33:03,383 INFO L87 Difference]: Start difference. First operand 1088 states and 1318 transitions. Second operand 3 states. [2020-08-22 18:33:03,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:03,606 INFO L93 Difference]: Finished difference Result 2605 states and 3182 transitions. [2020-08-22 18:33:03,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 18:33:03,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-08-22 18:33:03,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:03,619 INFO L225 Difference]: With dead ends: 2605 [2020-08-22 18:33:03,619 INFO L226 Difference]: Without dead ends: 1645 [2020-08-22 18:33:03,623 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 [2020-08-22 18:33:03,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2020-08-22 18:33:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1643. [2020-08-22 18:33:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-08-22 18:33:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 1985 transitions. [2020-08-22 18:33:03,824 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 1985 transitions. Word has length 191 [2020-08-22 18:33:03,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:03,825 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 1985 transitions. [2020-08-22 18:33:03,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 18:33:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1985 transitions. [2020-08-22 18:33:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-08-22 18:33:03,829 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:03,829 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:03,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 18:33:03,830 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:03,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:03,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1678974584, now seen corresponding path program 1 times [2020-08-22 18:33:03,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:03,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756980760] [2020-08-22 18:33:03,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:03,838 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:03,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:03,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756980760] [2020-08-22 18:33:03,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:03,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 18:33:03,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853344609] [2020-08-22 18:33:03,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 18:33:03,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:03,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 18:33:03,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 18:33:03,973 INFO L87 Difference]: Start difference. First operand 1643 states and 1985 transitions. Second operand 3 states. [2020-08-22 18:33:04,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:04,166 INFO L93 Difference]: Finished difference Result 2619 states and 3178 transitions. [2020-08-22 18:33:04,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 18:33:04,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-08-22 18:33:04,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:04,176 INFO L225 Difference]: With dead ends: 2619 [2020-08-22 18:33:04,176 INFO L226 Difference]: Without dead ends: 1659 [2020-08-22 18:33:04,179 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 [2020-08-22 18:33:04,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2020-08-22 18:33:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1657. [2020-08-22 18:33:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1657 states. [2020-08-22 18:33:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 1995 transitions. [2020-08-22 18:33:04,365 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 1995 transitions. Word has length 191 [2020-08-22 18:33:04,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:04,366 INFO L479 AbstractCegarLoop]: Abstraction has 1657 states and 1995 transitions. [2020-08-22 18:33:04,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 18:33:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1995 transitions. [2020-08-22 18:33:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-22 18:33:04,372 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:04,372 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:04,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 18:33:04,373 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:04,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:04,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2059637971, now seen corresponding path program 1 times [2020-08-22 18:33:04,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:04,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292941600] [2020-08-22 18:33:04,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:04,382 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:04,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:04,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292941600] [2020-08-22 18:33:04,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:04,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 18:33:04,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572088730] [2020-08-22 18:33:04,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 18:33:04,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:04,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 18:33:04,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 18:33:04,493 INFO L87 Difference]: Start difference. First operand 1657 states and 1995 transitions. Second operand 4 states. [2020-08-22 18:33:05,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:05,203 INFO L93 Difference]: Finished difference Result 3391 states and 4111 transitions. [2020-08-22 18:33:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 18:33:05,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2020-08-22 18:33:05,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:05,219 INFO L225 Difference]: With dead ends: 3391 [2020-08-22 18:33:05,219 INFO L226 Difference]: Without dead ends: 2879 [2020-08-22 18:33:05,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 18:33:05,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2020-08-22 18:33:05,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 1671. [2020-08-22 18:33:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1671 states. [2020-08-22 18:33:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2014 transitions. [2020-08-22 18:33:05,445 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2014 transitions. Word has length 192 [2020-08-22 18:33:05,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:05,445 INFO L479 AbstractCegarLoop]: Abstraction has 1671 states and 2014 transitions. [2020-08-22 18:33:05,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 18:33:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2014 transitions. [2020-08-22 18:33:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-08-22 18:33:05,451 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:05,452 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:05,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 18:33:05,453 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:05,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:05,453 INFO L82 PathProgramCache]: Analyzing trace with hash 192610461, now seen corresponding path program 1 times [2020-08-22 18:33:05,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:05,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174586939] [2020-08-22 18:33:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:05,463 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:33:05,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:33:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:33:05,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:33:05,590 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 18:33:05,590 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 18:33:05,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 18:33:05,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:33:05 BoogieIcfgContainer [2020-08-22 18:33:05,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:33:05,620 INFO L168 Benchmark]: Toolchain (without parser) took 7200.35 ms. Allocated memory was 146.8 MB in the beginning and 401.6 MB in the end (delta: 254.8 MB). Free memory was 103.8 MB in the beginning and 288.5 MB in the end (delta: -184.7 MB). Peak memory consumption was 70.1 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:05,621 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 18:33:05,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.06 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 178.1 MB in the end (delta: -74.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:05,622 INFO L168 Benchmark]: Boogie Preprocessor took 62.46 ms. Allocated memory is still 203.4 MB. Free memory was 178.1 MB in the beginning and 176.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:05,623 INFO L168 Benchmark]: RCFGBuilder took 851.18 ms. Allocated memory is still 203.4 MB. Free memory was 176.1 MB in the beginning and 115.6 MB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:05,624 INFO L168 Benchmark]: TraceAbstraction took 5795.80 ms. Allocated memory was 203.4 MB in the beginning and 401.6 MB in the end (delta: 198.2 MB). Free memory was 114.9 MB in the beginning and 288.5 MB in the end (delta: -173.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:05,627 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 486.06 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 178.1 MB in the end (delta: -74.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.46 ms. Allocated memory is still 203.4 MB. Free memory was 178.1 MB in the beginning and 176.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 851.18 ms. Allocated memory is still 203.4 MB. Free memory was 176.1 MB in the beginning and 115.6 MB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5795.80 ms. Allocated memory was 203.4 MB in the beginning and 401.6 MB in the end (delta: 198.2 MB). Free memory was 114.9 MB in the beginning and 288.5 MB in the end (delta: -173.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 614]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 301. Possible FailurePath: [L623] int __retres1 ; [L627] CALL ssl3_connect() [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] unsigned int s__version = __VERIFIER_nondet_uint(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__bbio = __VERIFIER_nondet_int(); [L18] int s__wbio = __VERIFIER_nondet_int(); [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L25] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L26] unsigned int s__ctx__stats__sess_connect ; [L27] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L29] int s__s3__change_cipher_spec ; [L30] int s__s3__flags ; [L31] int s__s3__delay_buf_pop_ret ; [L32] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__next_state___0 ; [L38] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L39] int s__session__cipher ; [L40] int s__session__compress_meth ; [L41] int buf ; [L42] unsigned long tmp ; [L43] unsigned long l ; [L44] int num1 ; [L45] int cb ; [L46] int ret ; [L47] int new_state ; [L48] int state ; [L49] int skip ; [L50] int tmp___0 ; [L51] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L52] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L53] int tmp___3 = __VERIFIER_nondet_int(); [L54] int tmp___4 = __VERIFIER_nondet_int(); [L55] int tmp___5 = __VERIFIER_nondet_int(); [L56] int tmp___6 = __VERIFIER_nondet_int(); [L57] int tmp___7 = __VERIFIER_nondet_int(); [L58] int tmp___8 = __VERIFIER_nondet_int(); [L59] int tmp___9 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int ag_X ; [L62] int ag_Y ; [L63] int ag_Z ; [L64] int __retres60 ; [L67] s__state = 12292 [L68] blastFlag = 0 [L69] tmp = __VERIFIER_nondet_int() [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] tmp___0 = 0 [L74] COND TRUE s__info_callback != 0 [L75] cb = s__info_callback [L83] s__in_handshake = s__in_handshake + 1 [L84] COND FALSE !(tmp___1 + 12288) [L93] COND TRUE \read(s__hit) [L94] ag_Y = 208 [L99] COND TRUE 1 [L101] state = s__state [L102] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L212] s__server = 0 [L213] COND TRUE cb != 0 [L218] COND FALSE !(s__version + 65280 != 768) [L224] s__type = 4096 [L225] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) [L243] COND FALSE !(! tmp___4) [L249] COND FALSE !(! tmp___5) [L255] s__state = 4368 [L256] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L257] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND TRUE s__state == 4368 [L261] s__shutdown = 0 [L262] ret = __VERIFIER_nondet_int() [L263] COND TRUE blastFlag == 0 [L264] blastFlag = 1 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] ag_X = s__state - 32 [L275] s__init_num = 0 [L276] COND FALSE !((unsigned long )s__bbio != (unsigned long )s__wbio) [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND TRUE s__state == 4384 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 1 [L286] blastFlag = 2 [L294] COND FALSE !(ret <= 0) [L299] s__state = ag_X [L300] COND TRUE \read(s__hit) [L301] s__state = s__state | ag_Y [L305] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND FALSE !(s__state == 4400) [L132] COND FALSE !(s__state == 4401) [L135] COND FALSE !(s__state == 4416) [L138] COND FALSE !(s__state == 4417) [L141] COND TRUE s__state == 4432 [L351] ret = __VERIFIER_nondet_int() [L352] COND TRUE blastFlag <= 5 [L614] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 350 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4656 SDtfs, 1987 SDslu, 3872 SDs, 0 SdLazy, 851 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1671occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 1554 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...