/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:15:44,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:15:44,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:15:44,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:15:44,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:15:44,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:15:44,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:15:44,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:15:44,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:15:44,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:15:44,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:15:44,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:15:44,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:15:44,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:15:44,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:15:44,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:15:44,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:15:44,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:15:44,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:15:44,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:15:44,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:15:44,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:15:44,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:15:44,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:15:44,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:15:44,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:15:44,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:15:44,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:15:44,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 16:15:45,015 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:15:45,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:15:45,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:15:45,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:15:45,018 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:15:45,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:15:45,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:15:45,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:15:45,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:15:45,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:15:45,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:15:45,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:15:45,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:15:45,020 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:15:45,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:15:45,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:15:45,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:15:45,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:15:45,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:15:45,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:15:45,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:15:45,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:15:45,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:15:45,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:15:45,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:15:45,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:15:45,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:45,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:15:45,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:15:45,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 16:15:45,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:15:45,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:15:45,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:15:45,324 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:15:45,324 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:15:45,325 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c [2020-07-21 16:15:45,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7f97d2b/113677630f0640aba9c4c04b7bb68f93/FLAG5ed8c62ae [2020-07-21 16:15:45,844 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:15:45,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c [2020-07-21 16:15:45,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7f97d2b/113677630f0640aba9c4c04b7bb68f93/FLAG5ed8c62ae [2020-07-21 16:15:46,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7f97d2b/113677630f0640aba9c4c04b7bb68f93 [2020-07-21 16:15:46,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:15:46,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:15:46,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:15:46,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:15:46,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:15:46,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bfb20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46, skipping insertion in model container [2020-07-21 16:15:46,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:15:46,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:15:46,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:15:46,578 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:15:46,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:15:46,751 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:15:46,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46 WrapperNode [2020-07-21 16:15:46,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:15:46,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:15:46,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:15:46,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:15:46,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (1/1) ... [2020-07-21 16:15:46,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:15:46,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:15:46,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:15:46,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:15:46,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (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 [2020-07-21 16:15:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:15:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:15:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-07-21 16:15:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:15:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:15:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-21 16:15:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:15:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-21 16:15:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-07-21 16:15:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:15:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:15:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:15:47,135 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 16:15:47,621 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-07-21 16:15:47,621 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-07-21 16:15:47,632 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:15:47,632 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:15:47,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:15:47 BoogieIcfgContainer [2020-07-21 16:15:47,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:15:47,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:15:47,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:15:47,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:15:47,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:15:46" (1/3) ... [2020-07-21 16:15:47,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cfee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:15:47, skipping insertion in model container [2020-07-21 16:15:47,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:15:46" (2/3) ... [2020-07-21 16:15:47,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cfee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:15:47, skipping insertion in model container [2020-07-21 16:15:47,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:15:47" (3/3) ... [2020-07-21 16:15:47,647 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_14.cil.c [2020-07-21 16:15:47,658 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:15:47,666 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:15:47,680 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:15:47,706 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:15:47,706 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:15:47,706 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:15:47,706 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:15:47,707 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:15:47,707 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:15:47,707 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:15:47,707 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:15:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-07-21 16:15:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-21 16:15:47,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:47,739 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] [2020-07-21 16:15:47,740 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:47,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:47,746 INFO L82 PathProgramCache]: Analyzing trace with hash -2138433857, now seen corresponding path program 1 times [2020-07-21 16:15:47,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:47,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774255223] [2020-07-21 16:15:47,756 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:47,887 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:47,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:47,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:15:47,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:47,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:47,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774255223] [2020-07-21 16:15:47,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:47,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:47,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318751236] [2020-07-21 16:15:47,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:47,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:47,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:47,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:47,972 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 3 states. [2020-07-21 16:15:48,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:48,070 INFO L93 Difference]: Finished difference Result 444 states and 760 transitions. [2020-07-21 16:15:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:48,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-07-21 16:15:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:48,095 INFO L225 Difference]: With dead ends: 444 [2020-07-21 16:15:48,095 INFO L226 Difference]: Without dead ends: 271 [2020-07-21 16:15:48,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:48,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-07-21 16:15:48,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 269. [2020-07-21 16:15:48,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-07-21 16:15:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 418 transitions. [2020-07-21 16:15:48,164 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 418 transitions. Word has length 28 [2020-07-21 16:15:48,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:48,165 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 418 transitions. [2020-07-21 16:15:48,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 418 transitions. [2020-07-21 16:15:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-21 16:15:48,167 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:48,167 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] [2020-07-21 16:15:48,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:48,383 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:48,384 INFO L82 PathProgramCache]: Analyzing trace with hash -402909183, now seen corresponding path program 1 times [2020-07-21 16:15:48,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:48,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537486174] [2020-07-21 16:15:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:48,502 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:48,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:48,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 16:15:48,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:48,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:48,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537486174] [2020-07-21 16:15:48,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:48,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 16:15:48,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461863425] [2020-07-21 16:15:48,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 16:15:48,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:48,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 16:15:48,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:15:48,560 INFO L87 Difference]: Start difference. First operand 269 states and 418 transitions. Second operand 5 states. [2020-07-21 16:15:48,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:48,868 INFO L93 Difference]: Finished difference Result 645 states and 1026 transitions. [2020-07-21 16:15:48,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 16:15:48,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-21 16:15:48,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:48,873 INFO L225 Difference]: With dead ends: 645 [2020-07-21 16:15:48,873 INFO L226 Difference]: Without dead ends: 366 [2020-07-21 16:15:48,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:15:48,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-07-21 16:15:48,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 356. [2020-07-21 16:15:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-07-21 16:15:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 528 transitions. [2020-07-21 16:15:48,907 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 528 transitions. Word has length 29 [2020-07-21 16:15:48,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:48,907 INFO L479 AbstractCegarLoop]: Abstraction has 356 states and 528 transitions. [2020-07-21 16:15:48,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 16:15:48,907 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 528 transitions. [2020-07-21 16:15:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-21 16:15:48,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:48,909 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] [2020-07-21 16:15:49,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:49,123 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:49,124 INFO L82 PathProgramCache]: Analyzing trace with hash 732770418, now seen corresponding path program 1 times [2020-07-21 16:15:49,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:49,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208010158] [2020-07-21 16:15:49,126 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:49,217 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 16:15:49,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:49,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:15:49,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:49,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:49,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208010158] [2020-07-21 16:15:49,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:49,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:49,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001568907] [2020-07-21 16:15:49,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:49,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:49,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:49,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:49,252 INFO L87 Difference]: Start difference. First operand 356 states and 528 transitions. Second operand 3 states. [2020-07-21 16:15:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:49,272 INFO L93 Difference]: Finished difference Result 676 states and 1010 transitions. [2020-07-21 16:15:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:49,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-21 16:15:49,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:49,276 INFO L225 Difference]: With dead ends: 676 [2020-07-21 16:15:49,277 INFO L226 Difference]: Without dead ends: 316 [2020-07-21 16:15:49,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:49,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-07-21 16:15:49,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2020-07-21 16:15:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-07-21 16:15:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 464 transitions. [2020-07-21 16:15:49,300 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 464 transitions. Word has length 32 [2020-07-21 16:15:49,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:49,301 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 464 transitions. [2020-07-21 16:15:49,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 464 transitions. [2020-07-21 16:15:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-21 16:15:49,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:49,303 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] [2020-07-21 16:15:49,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:49,519 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:49,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:49,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1890290600, now seen corresponding path program 1 times [2020-07-21 16:15:49,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:49,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265458214] [2020-07-21 16:15:49,521 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:49,598 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:49,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:49,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:15:49,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:49,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:49,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265458214] [2020-07-21 16:15:49,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:49,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 16:15:49,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913758298] [2020-07-21 16:15:49,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:15:49,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:49,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:15:49,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:15:49,652 INFO L87 Difference]: Start difference. First operand 316 states and 464 transitions. Second operand 6 states. [2020-07-21 16:15:49,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:49,987 INFO L93 Difference]: Finished difference Result 741 states and 1108 transitions. [2020-07-21 16:15:49,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:15:49,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-07-21 16:15:49,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:49,991 INFO L225 Difference]: With dead ends: 741 [2020-07-21 16:15:49,992 INFO L226 Difference]: Without dead ends: 415 [2020-07-21 16:15:49,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:15:49,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-07-21 16:15:50,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 345. [2020-07-21 16:15:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-21 16:15:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 510 transitions. [2020-07-21 16:15:50,015 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 510 transitions. Word has length 33 [2020-07-21 16:15:50,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:50,015 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 510 transitions. [2020-07-21 16:15:50,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:15:50,016 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 510 transitions. [2020-07-21 16:15:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 16:15:50,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:50,027 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 16:15:50,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:50,231 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:50,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:50,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2094542434, now seen corresponding path program 1 times [2020-07-21 16:15:50,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:50,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136868258] [2020-07-21 16:15:50,232 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:50,300 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:50,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:50,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 16:15:50,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:50,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:50,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136868258] [2020-07-21 16:15:50,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:50,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:50,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378850718] [2020-07-21 16:15:50,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:50,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:50,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:50,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:50,326 INFO L87 Difference]: Start difference. First operand 345 states and 510 transitions. Second operand 3 states. [2020-07-21 16:15:50,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:50,534 INFO L93 Difference]: Finished difference Result 836 states and 1246 transitions. [2020-07-21 16:15:50,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:50,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-21 16:15:50,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:50,538 INFO L225 Difference]: With dead ends: 836 [2020-07-21 16:15:50,538 INFO L226 Difference]: Without dead ends: 455 [2020-07-21 16:15:50,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:50,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-07-21 16:15:50,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 429. [2020-07-21 16:15:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-21 16:15:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 639 transitions. [2020-07-21 16:15:50,556 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 639 transitions. Word has length 45 [2020-07-21 16:15:50,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:50,556 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 639 transitions. [2020-07-21 16:15:50,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 639 transitions. [2020-07-21 16:15:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-21 16:15:50,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:50,558 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 16:15:50,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:50,774 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:50,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:50,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1896340220, now seen corresponding path program 1 times [2020-07-21 16:15:50,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:50,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236724555] [2020-07-21 16:15:50,777 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:50,847 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:50,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:50,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:15:50,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 16:15:50,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:50,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236724555] [2020-07-21 16:15:50,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:50,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:50,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078660599] [2020-07-21 16:15:50,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:50,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:50,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:50,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:50,880 INFO L87 Difference]: Start difference. First operand 429 states and 639 transitions. Second operand 3 states. [2020-07-21 16:15:51,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:51,081 INFO L93 Difference]: Finished difference Result 945 states and 1419 transitions. [2020-07-21 16:15:51,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:51,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-07-21 16:15:51,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:51,087 INFO L225 Difference]: With dead ends: 945 [2020-07-21 16:15:51,087 INFO L226 Difference]: Without dead ends: 530 [2020-07-21 16:15:51,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:51,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-07-21 16:15:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 518. [2020-07-21 16:15:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-07-21 16:15:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 741 transitions. [2020-07-21 16:15:51,113 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 741 transitions. Word has length 54 [2020-07-21 16:15:51,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:51,113 INFO L479 AbstractCegarLoop]: Abstraction has 518 states and 741 transitions. [2020-07-21 16:15:51,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 741 transitions. [2020-07-21 16:15:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-21 16:15:51,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:51,116 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 16:15:51,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:51,332 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:51,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:51,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1216281850, now seen corresponding path program 1 times [2020-07-21 16:15:51,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:51,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647005211] [2020-07-21 16:15:51,333 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:51,413 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:51,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:51,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:15:51,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:51,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:51,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1647005211] [2020-07-21 16:15:51,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:51,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:51,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657544227] [2020-07-21 16:15:51,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:51,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:51,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:51,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:51,435 INFO L87 Difference]: Start difference. First operand 518 states and 741 transitions. Second operand 3 states. [2020-07-21 16:15:51,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:51,452 INFO L93 Difference]: Finished difference Result 1022 states and 1464 transitions. [2020-07-21 16:15:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:51,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-07-21 16:15:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:51,456 INFO L225 Difference]: With dead ends: 1022 [2020-07-21 16:15:51,456 INFO L226 Difference]: Without dead ends: 518 [2020-07-21 16:15:51,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:51,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-07-21 16:15:51,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2020-07-21 16:15:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-07-21 16:15:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 729 transitions. [2020-07-21 16:15:51,474 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 729 transitions. Word has length 54 [2020-07-21 16:15:51,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:51,475 INFO L479 AbstractCegarLoop]: Abstraction has 518 states and 729 transitions. [2020-07-21 16:15:51,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 729 transitions. [2020-07-21 16:15:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-21 16:15:51,476 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:51,476 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2020-07-21 16:15:51,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:51,692 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:51,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:51,693 INFO L82 PathProgramCache]: Analyzing trace with hash -368212937, now seen corresponding path program 1 times [2020-07-21 16:15:51,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:51,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774799004] [2020-07-21 16:15:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:51,753 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:51,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:51,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:15:51,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:51,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:51,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774799004] [2020-07-21 16:15:51,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:51,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:51,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793522833] [2020-07-21 16:15:51,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:51,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:51,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:51,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:51,774 INFO L87 Difference]: Start difference. First operand 518 states and 729 transitions. Second operand 3 states. [2020-07-21 16:15:51,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:51,808 INFO L93 Difference]: Finished difference Result 1032 states and 1452 transitions. [2020-07-21 16:15:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:51,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-21 16:15:51,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:51,812 INFO L225 Difference]: With dead ends: 1032 [2020-07-21 16:15:51,813 INFO L226 Difference]: Without dead ends: 528 [2020-07-21 16:15:51,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:51,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-07-21 16:15:51,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 526. [2020-07-21 16:15:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-07-21 16:15:51,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 727 transitions. [2020-07-21 16:15:51,835 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 727 transitions. Word has length 55 [2020-07-21 16:15:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:51,836 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 727 transitions. [2020-07-21 16:15:51,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 727 transitions. [2020-07-21 16:15:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 16:15:51,837 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:51,837 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2020-07-21 16:15:52,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:52,053 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:52,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:52,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1724260221, now seen corresponding path program 1 times [2020-07-21 16:15:52,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:52,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583318261] [2020-07-21 16:15:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:52,113 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:52,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:52,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:15:52,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:52,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:52,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583318261] [2020-07-21 16:15:52,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:52,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:52,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536839403] [2020-07-21 16:15:52,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:52,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:52,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:52,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:52,147 INFO L87 Difference]: Start difference. First operand 526 states and 727 transitions. Second operand 3 states. [2020-07-21 16:15:52,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:52,180 INFO L93 Difference]: Finished difference Result 1546 states and 2138 transitions. [2020-07-21 16:15:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:52,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 16:15:52,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:52,186 INFO L225 Difference]: With dead ends: 1546 [2020-07-21 16:15:52,186 INFO L226 Difference]: Without dead ends: 1034 [2020-07-21 16:15:52,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:52,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2020-07-21 16:15:52,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 787. [2020-07-21 16:15:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-07-21 16:15:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2020-07-21 16:15:52,216 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 60 [2020-07-21 16:15:52,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:52,217 INFO L479 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2020-07-21 16:15:52,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2020-07-21 16:15:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 16:15:52,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:52,219 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2020-07-21 16:15:52,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:52,433 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:52,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:52,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2089626817, now seen corresponding path program 1 times [2020-07-21 16:15:52,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:52,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652116179] [2020-07-21 16:15:52,435 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:52,500 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:52,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:52,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:15:52,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-21 16:15:52,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:52,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652116179] [2020-07-21 16:15:52,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:52,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:52,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786553413] [2020-07-21 16:15:52,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:52,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:52,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:52,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:52,524 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand 3 states. [2020-07-21 16:15:52,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:52,561 INFO L93 Difference]: Finished difference Result 1546 states and 2128 transitions. [2020-07-21 16:15:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:52,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 16:15:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:52,567 INFO L225 Difference]: With dead ends: 1546 [2020-07-21 16:15:52,567 INFO L226 Difference]: Without dead ends: 1034 [2020-07-21 16:15:52,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:52,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2020-07-21 16:15:52,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 787. [2020-07-21 16:15:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-07-21 16:15:52,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1084 transitions. [2020-07-21 16:15:52,598 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1084 transitions. Word has length 60 [2020-07-21 16:15:52,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:52,599 INFO L479 AbstractCegarLoop]: Abstraction has 787 states and 1084 transitions. [2020-07-21 16:15:52,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:52,599 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1084 transitions. [2020-07-21 16:15:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 16:15:52,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:52,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-07-21 16:15:52,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:52,815 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:52,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:52,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1796569389, now seen corresponding path program 1 times [2020-07-21 16:15:52,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:52,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911677443] [2020-07-21 16:15:52,817 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:52,896 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:52,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:52,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 16:15:52,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:15:52,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:52,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911677443] [2020-07-21 16:15:52,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:52,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:52,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161454847] [2020-07-21 16:15:52,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:52,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:52,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:52,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:52,914 INFO L87 Difference]: Start difference. First operand 787 states and 1084 transitions. Second operand 3 states. [2020-07-21 16:15:52,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:52,968 INFO L93 Difference]: Finished difference Result 2317 states and 3187 transitions. [2020-07-21 16:15:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:52,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 16:15:52,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:52,976 INFO L225 Difference]: With dead ends: 2317 [2020-07-21 16:15:52,977 INFO L226 Difference]: Without dead ends: 1545 [2020-07-21 16:15:52,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:52,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2020-07-21 16:15:53,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1543. [2020-07-21 16:15:53,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-07-21 16:15:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2101 transitions. [2020-07-21 16:15:53,037 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2101 transitions. Word has length 61 [2020-07-21 16:15:53,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:53,037 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 2101 transitions. [2020-07-21 16:15:53,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2101 transitions. [2020-07-21 16:15:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 16:15:53,040 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:53,040 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-07-21 16:15:53,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:53,254 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:53,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:53,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1616425408, now seen corresponding path program 1 times [2020-07-21 16:15:53,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:53,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011858533] [2020-07-21 16:15:53,256 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:53,349 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:53,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-21 16:15:53,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 16:15:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 16:15:53,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 16:15:53,465 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-21 16:15:53,465 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-21 16:15:53,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:53,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:15:53 BoogieIcfgContainer [2020-07-21 16:15:53,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:15:53,828 INFO L168 Benchmark]: Toolchain (without parser) took 7582.96 ms. Allocated memory was 144.7 MB in the beginning and 280.5 MB in the end (delta: 135.8 MB). Free memory was 102.2 MB in the beginning and 88.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 149.6 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:53,829 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 16:15:53,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.68 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 177.3 MB in the end (delta: -75.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:53,837 INFO L168 Benchmark]: Boogie Preprocessor took 64.50 ms. Allocated memory is still 202.4 MB. Free memory was 177.3 MB in the beginning and 174.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:53,837 INFO L168 Benchmark]: RCFGBuilder took 820.54 ms. Allocated memory is still 202.4 MB. Free memory was 174.6 MB in the beginning and 121.2 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:53,838 INFO L168 Benchmark]: TraceAbstraction took 6184.98 ms. Allocated memory was 202.4 MB in the beginning and 280.5 MB in the end (delta: 78.1 MB). Free memory was 120.5 MB in the beginning and 88.4 MB in the end (delta: 32.1 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:53,845 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 506.68 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 177.3 MB in the end (delta: -75.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.50 ms. Allocated memory is still 202.4 MB. Free memory was 177.3 MB in the beginning and 174.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 820.54 ms. Allocated memory is still 202.4 MB. Free memory was 174.6 MB in the beginning and 121.2 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6184.98 ms. Allocated memory was 202.4 MB in the beginning and 280.5 MB in the end (delta: 78.1 MB). Free memory was 120.5 MB in the beginning and 88.4 MB in the end (delta: 32.1 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 640]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L645] int s ; [L646] int tmp ; [L650] s = 8464 VAL [s=8464] [L651] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int() ; [L20] int s__rwstate ; [L21] int s__init_buf___0 = 1; [L22] int s__debug = __VERIFIER_nondet_int() ; [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int() ; [L25] int s__options = __VERIFIER_nondet_int() ; [L26] int s__verify_mode = __VERIFIER_nondet_int() ; [L27] int s__session__peer = __VERIFIER_nondet_int() ; [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message ; [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L40] int s__session__cipher ; [L41] int buf ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp ; [L45] int cb ; [L46] long num1 = __VERIFIER_nondet_long() ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int() ; [L53] int tmp___2 = __VERIFIER_nondet_int() ; [L54] int tmp___3 = __VERIFIER_nondet_int() ; [L55] int tmp___4 = __VERIFIER_nondet_int() ; [L56] int tmp___5 = __VERIFIER_nondet_int() ; [L57] int tmp___6 = __VERIFIER_nondet_int() ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 = __VERIFIER_nondet_int() ; [L61] int tmp___10 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] unsigned long __cil_tmp57 ; [L66] unsigned long __cil_tmp58 ; [L67] unsigned long __cil_tmp59 ; [L68] int __cil_tmp60 ; [L69] unsigned long __cil_tmp61 ; [L72] s__s3__tmp__reuse_message = 0 [L73] s__state = initial_state [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] Time = tmp [L77] cb = 0 [L78] ret = -1 [L79] skip = 0 [L80] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L81] COND TRUE s__info_callback != 0 [L82] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L88] s__in_handshake ++ VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L89] COND TRUE tmp___1 + 12288 VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L90] COND TRUE tmp___2 + 16384 VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L94] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L98] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L100] state = s__state VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L104] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L107] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, blastFlag=0, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=0, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L276] COND FALSE !(ret <= 0) [L279] got_new_session = 1 [L280] s__state = 8496 [L281] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L602] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND FALSE !(state == 8496) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L614] COND FALSE !(\read(s__debug)) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L620] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L621] COND TRUE s__state != state [L622] new_state = s__state [L623] s__state = state [L624] s__state = new_state VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L629] skip = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L98] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L100] state = s__state VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L104] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L107] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND FALSE !(s__state == 8464) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L128] COND FALSE !(s__state == 8465) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L131] COND FALSE !(s__state == 8466) VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L134] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, blastFlag=1, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L285] ret = __VERIFIER_nondet_int() [L286] COND TRUE blastFlag == 1 [L287] blastFlag = 2 VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L289] COND FALSE !(ret <= 0) VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L292] COND FALSE !(\read(s__hit)) [L295] s__state = 8512 VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L297] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L602] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND TRUE state == 8496 VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L640] __VERIFIER_error() VAL [\old(initial_state)=8464, blastFlag=2, cb=-1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=-1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 159 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.9s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2588 SDtfs, 1995 SDslu, 2004 SDs, 0 SdLazy, 606 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1543occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 618 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 573 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 56266 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2382 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 95/95 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...