/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:58:52,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:58:52,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:58:52,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:58:52,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:58:52,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:58:52,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:58:52,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:58:52,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:58:52,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:58:52,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:58:52,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:58:52,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:58:52,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:58:52,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:58:52,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:58:52,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:58:52,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:58:52,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:58:52,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:58:52,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:58:52,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:58:52,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:58:52,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:58:52,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:58:52,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:58:52,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:58:52,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:58:52,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:58:52,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:58:52,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:58:52,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:58:52,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:58:52,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:58:52,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:58:52,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:58:52,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:58:52,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:58:52,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:58:52,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:58:52,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:58:52,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 20:58:52,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:58:52,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:58:52,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:58:52,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:58:52,823 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:58:52,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:58:52,824 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:58:52,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:58:52,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:58:52,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:58:52,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:58:52,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:58:52,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:58:52,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:58:52,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:58:52,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:58:52,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:58:52,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:58:52,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:58:52,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:58:52,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:58:52,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:58:52,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:58:52,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:58:52,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:58:52,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:58:52,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:58:52,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:58:52,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:58:52,833 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 20:58:53,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:58:53,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:58:53,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:58:53,172 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:58:53,173 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:58:53,173 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c [2020-10-12 20:58:53,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af9a3790b/9b3ec0fb49a843f9acbca1bc7848f4e4/FLAG4e4bb7052 [2020-10-12 20:58:53,715 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:58:53,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c [2020-10-12 20:58:53,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af9a3790b/9b3ec0fb49a843f9acbca1bc7848f4e4/FLAG4e4bb7052 [2020-10-12 20:58:54,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af9a3790b/9b3ec0fb49a843f9acbca1bc7848f4e4 [2020-10-12 20:58:54,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:58:54,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:58:54,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:58:54,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:58:54,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:58:54,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750e1b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54, skipping insertion in model container [2020-10-12 20:58:54,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:58:54,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:58:54,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:58:54,396 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:58:54,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:58:54,601 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:58:54,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54 WrapperNode [2020-10-12 20:58:54,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:58:54,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:58:54,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:58:54,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:58:54,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (1/1) ... [2020-10-12 20:58:54,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:58:54,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:58:54,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:58:54,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:58:54,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-12 20:58:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:58:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:58:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-12 20:58:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:58:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:58:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:58:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:58:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 20:58:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-12 20:58:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:58:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:58:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:58:54,899 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 20:58:55,359 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-12 20:58:55,359 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-12 20:58:55,377 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:58:55,378 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 20:58:55,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:58:55 BoogieIcfgContainer [2020-10-12 20:58:55,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:58:55,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:58:55,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:58:55,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:58:55,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:58:54" (1/3) ... [2020-10-12 20:58:55,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a53f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:58:55, skipping insertion in model container [2020-10-12 20:58:55,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:54" (2/3) ... [2020-10-12 20:58:55,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a53f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:58:55, skipping insertion in model container [2020-10-12 20:58:55,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:58:55" (3/3) ... [2020-10-12 20:58:55,392 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-1.c [2020-10-12 20:58:55,403 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:58:55,411 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:58:55,426 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:58:55,449 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:58:55,449 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:58:55,449 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:58:55,450 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:58:55,450 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:58:55,450 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:58:55,450 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:58:55,450 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:58:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-12 20:58:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 20:58:55,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:55,479 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] [2020-10-12 20:58:55,480 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:55,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:55,486 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-10-12 20:58:55,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:55,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580615047] [2020-10-12 20:58:55,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:55,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:55,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:55,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:56,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 20:58:56,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-10-12 20:58:56,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:56,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 20:58:56,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 20:58:56,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 20:58:56,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 20:58:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:56,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:56,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:56,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:56,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 20:58:56,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 20:58:56,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580615047] [2020-10-12 20:58:56,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:56,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 20:58:56,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144820816] [2020-10-12 20:58:56,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 20:58:56,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:56,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 20:58:56,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 20:58:56,309 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 5 states. [2020-10-12 20:58:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:56,534 INFO L93 Difference]: Finished difference Result 263 states and 438 transitions. [2020-10-12 20:58:56,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 20:58:56,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-12 20:58:56,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:56,547 INFO L225 Difference]: With dead ends: 263 [2020-10-12 20:58:56,547 INFO L226 Difference]: Without dead ends: 120 [2020-10-12 20:58:56,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 20:58:56,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-12 20:58:56,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-12 20:58:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-12 20:58:56,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 177 transitions. [2020-10-12 20:58:56,597 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 177 transitions. Word has length 29 [2020-10-12 20:58:56,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:56,598 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 177 transitions. [2020-10-12 20:58:56,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 20:58:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2020-10-12 20:58:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 20:58:56,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:56,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:56,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 20:58:56,601 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:56,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:56,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1901611800, now seen corresponding path program 1 times [2020-10-12 20:58:56,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:56,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949863833] [2020-10-12 20:58:56,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:56,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:56,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 20:58:56,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-12 20:58:56,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 20:58:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 20:58:56,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:56,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:56,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:56,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:56,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:56,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:56,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:56,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:56,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:56,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:56,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 20:58:56,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949863833] [2020-10-12 20:58:56,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:56,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:56,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454112711] [2020-10-12 20:58:56,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:56,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:56,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:56,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:56,860 INFO L87 Difference]: Start difference. First operand 120 states and 177 transitions. Second operand 3 states. [2020-10-12 20:58:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:56,910 INFO L93 Difference]: Finished difference Result 328 states and 492 transitions. [2020-10-12 20:58:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:56,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-10-12 20:58:56,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:56,914 INFO L225 Difference]: With dead ends: 328 [2020-10-12 20:58:56,914 INFO L226 Difference]: Without dead ends: 223 [2020-10-12 20:58:56,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:56,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-12 20:58:56,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-10-12 20:58:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-12 20:58:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 329 transitions. [2020-10-12 20:58:56,957 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 329 transitions. Word has length 42 [2020-10-12 20:58:56,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:56,957 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 329 transitions. [2020-10-12 20:58:56,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 329 transitions. [2020-10-12 20:58:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 20:58:56,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:56,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:56,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 20:58:56,964 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:56,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:56,964 INFO L82 PathProgramCache]: Analyzing trace with hash 907172913, now seen corresponding path program 1 times [2020-10-12 20:58:56,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:56,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069090944] [2020-10-12 20:58:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:57,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:57,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 20:58:57,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-12 20:58:57,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 20:58:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 20:58:57,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:57,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:57,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:57,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:57,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:57,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:57,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:57,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 20:58:57,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069090944] [2020-10-12 20:58:57,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:57,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:57,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054739135] [2020-10-12 20:58:57,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:57,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:57,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:57,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:57,182 INFO L87 Difference]: Start difference. First operand 223 states and 329 transitions. Second operand 3 states. [2020-10-12 20:58:57,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:57,238 INFO L93 Difference]: Finished difference Result 431 states and 644 transitions. [2020-10-12 20:58:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:57,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-10-12 20:58:57,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:57,242 INFO L225 Difference]: With dead ends: 431 [2020-10-12 20:58:57,242 INFO L226 Difference]: Without dead ends: 326 [2020-10-12 20:58:57,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:57,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-10-12 20:58:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2020-10-12 20:58:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-12 20:58:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 482 transitions. [2020-10-12 20:58:57,264 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 482 transitions. Word has length 56 [2020-10-12 20:58:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:57,265 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 482 transitions. [2020-10-12 20:58:57,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 482 transitions. [2020-10-12 20:58:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 20:58:57,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:57,268 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:57,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 20:58:57,269 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:57,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:57,269 INFO L82 PathProgramCache]: Analyzing trace with hash -274979038, now seen corresponding path program 1 times [2020-10-12 20:58:57,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:57,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886802504] [2020-10-12 20:58:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:57,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:57,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 20:58:57,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:58:57,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-12 20:58:57,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 20:58:57,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:58:57,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:57,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:57,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:57,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:57,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:57,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:57,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:57,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 20:58:57,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1886802504] [2020-10-12 20:58:57,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:57,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:57,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087011159] [2020-10-12 20:58:57,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:57,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:57,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:57,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:57,527 INFO L87 Difference]: Start difference. First operand 326 states and 482 transitions. Second operand 3 states. [2020-10-12 20:58:57,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:57,753 INFO L93 Difference]: Finished difference Result 790 states and 1212 transitions. [2020-10-12 20:58:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:57,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-12 20:58:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:57,756 INFO L225 Difference]: With dead ends: 790 [2020-10-12 20:58:57,757 INFO L226 Difference]: Without dead ends: 476 [2020-10-12 20:58:57,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:57,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-10-12 20:58:57,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 449. [2020-10-12 20:58:57,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-10-12 20:58:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 632 transitions. [2020-10-12 20:58:57,776 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 632 transitions. Word has length 73 [2020-10-12 20:58:57,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:57,777 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 632 transitions. [2020-10-12 20:58:57,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 632 transitions. [2020-10-12 20:58:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 20:58:57,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:57,781 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:57,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 20:58:57,781 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:57,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:57,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2080417372, now seen corresponding path program 1 times [2020-10-12 20:58:57,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:57,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211288579] [2020-10-12 20:58:57,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:57,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:57,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:57,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 20:58:57,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:57,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-12 20:58:57,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 20:58:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:58:57,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:58,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:58,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:58,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:58,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 20:58:58,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211288579] [2020-10-12 20:58:58,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:58,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:58,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483853974] [2020-10-12 20:58:58,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:58,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:58,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:58,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:58,017 INFO L87 Difference]: Start difference. First operand 449 states and 632 transitions. Second operand 3 states. [2020-10-12 20:58:58,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:58,240 INFO L93 Difference]: Finished difference Result 1051 states and 1531 transitions. [2020-10-12 20:58:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:58,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-12 20:58:58,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:58,244 INFO L225 Difference]: With dead ends: 1051 [2020-10-12 20:58:58,244 INFO L226 Difference]: Without dead ends: 617 [2020-10-12 20:58:58,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:58,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-12 20:58:58,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 572. [2020-10-12 20:58:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2020-10-12 20:58:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 791 transitions. [2020-10-12 20:58:58,263 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 791 transitions. Word has length 73 [2020-10-12 20:58:58,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:58,263 INFO L479 AbstractCegarLoop]: Abstraction has 572 states and 791 transitions. [2020-10-12 20:58:58,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 791 transitions. [2020-10-12 20:58:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 20:58:58,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:58,267 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:58,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 20:58:58,267 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:58,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1460189827, now seen corresponding path program 1 times [2020-10-12 20:58:58,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:58,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396508737] [2020-10-12 20:58:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:58,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:58,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 20:58:58,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-12 20:58:58,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-12 20:58:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 20:58:58,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:58,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:58,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:58,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:58,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:58,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:58,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:58,564 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-12 20:58:58,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396508737] [2020-10-12 20:58:58,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:58,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:58,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842230658] [2020-10-12 20:58:58,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:58,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:58,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:58,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:58,566 INFO L87 Difference]: Start difference. First operand 572 states and 791 transitions. Second operand 3 states. [2020-10-12 20:58:58,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:58,775 INFO L93 Difference]: Finished difference Result 1288 states and 1837 transitions. [2020-10-12 20:58:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:58,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-10-12 20:58:58,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:58,781 INFO L225 Difference]: With dead ends: 1288 [2020-10-12 20:58:58,781 INFO L226 Difference]: Without dead ends: 731 [2020-10-12 20:58:58,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:58,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-10-12 20:58:58,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 635. [2020-10-12 20:58:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-12 20:58:58,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 896 transitions. [2020-10-12 20:58:58,804 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 896 transitions. Word has length 90 [2020-10-12 20:58:58,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:58,805 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 896 transitions. [2020-10-12 20:58:58,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 896 transitions. [2020-10-12 20:58:58,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 20:58:58,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:58,808 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:58,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 20:58:58,809 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:58,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:58,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1133024459, now seen corresponding path program 1 times [2020-10-12 20:58:58,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:58,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344792316] [2020-10-12 20:58:58,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:59,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:59,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 20:58:59,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-12 20:58:59,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 20:58:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 20:58:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:59,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:59,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:59,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:59,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:59,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:59,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:59,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:59,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:59,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:59,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 20:58:59,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344792316] [2020-10-12 20:58:59,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:59,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:59,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561640019] [2020-10-12 20:58:59,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:59,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:59,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:59,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:59,087 INFO L87 Difference]: Start difference. First operand 635 states and 896 transitions. Second operand 3 states. [2020-10-12 20:58:59,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:59,144 INFO L93 Difference]: Finished difference Result 1255 states and 1778 transitions. [2020-10-12 20:58:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:59,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-10-12 20:58:59,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:59,150 INFO L225 Difference]: With dead ends: 1255 [2020-10-12 20:58:59,150 INFO L226 Difference]: Without dead ends: 841 [2020-10-12 20:58:59,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:59,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-10-12 20:58:59,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2020-10-12 20:58:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-10-12 20:58:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1188 transitions. [2020-10-12 20:58:59,178 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1188 transitions. Word has length 110 [2020-10-12 20:58:59,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:59,178 INFO L479 AbstractCegarLoop]: Abstraction has 841 states and 1188 transitions. [2020-10-12 20:58:59,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1188 transitions. [2020-10-12 20:58:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-12 20:58:59,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:59,181 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:59,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 20:58:59,181 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:59,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:59,181 INFO L82 PathProgramCache]: Analyzing trace with hash 2036262431, now seen corresponding path program 1 times [2020-10-12 20:58:59,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:59,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394967766] [2020-10-12 20:58:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 20:58:59,221 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 20:58:59,222 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 20:58:59,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 20:58:59,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:58:59 BoogieIcfgContainer [2020-10-12 20:58:59,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 20:58:59,257 INFO L168 Benchmark]: Toolchain (without parser) took 5175.03 ms. Allocated memory was 139.5 MB in the beginning and 292.6 MB in the end (delta: 153.1 MB). Free memory was 101.9 MB in the beginning and 171.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:59,258 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 20:58:59,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.41 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.7 MB in the beginning and 176.9 MB in the end (delta: -75.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:59,260 INFO L168 Benchmark]: Boogie Preprocessor took 55.60 ms. Allocated memory is still 201.9 MB. Free memory was 176.9 MB in the beginning and 174.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:59,260 INFO L168 Benchmark]: RCFGBuilder took 724.31 ms. Allocated memory is still 201.9 MB. Free memory was 174.1 MB in the beginning and 127.0 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:59,261 INFO L168 Benchmark]: TraceAbstraction took 3869.66 ms. Allocated memory was 201.9 MB in the beginning and 292.6 MB in the end (delta: 90.7 MB). Free memory was 127.0 MB in the beginning and 171.8 MB in the end (delta: -44.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:59,264 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 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 520.41 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.7 MB in the beginning and 176.9 MB in the end (delta: -75.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.60 ms. Allocated memory is still 201.9 MB. Free memory was 176.9 MB in the beginning and 174.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 724.31 ms. Allocated memory is still 201.9 MB. Free memory was 174.1 MB in the beginning and 127.0 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3869.66 ms. Allocated memory was 201.9 MB in the beginning and 292.6 MB in the end (delta: 90.7 MB). Free memory was 127.0 MB in the beginning and 171.8 MB in the end (delta: -44.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 548]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L553] int s ; [L557] s = 12292 [L558] CALL ssl3_connect(s) [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__bbio = __VERIFIER_nondet_int() ; [L20] int s__wbio = __VERIFIER_nondet_int() ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L27] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 = __VERIFIER_nondet_int() ; [L60] int tmp___8 = __VERIFIER_nondet_int() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] long __cil_tmp57 ; [L66] long __cil_tmp58 ; [L67] long __cil_tmp59 ; [L68] long __cil_tmp60 ; [L69] long __cil_tmp61 ; [L70] long __cil_tmp62 ; [L71] long __cil_tmp63 ; [L72] long __cil_tmp64 ; [L73] long __cil_tmp65 ; [L77] s__state = initial_state [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback [L91] s__in_handshake ++ [L92] COND FALSE !(tmp___1 - 12288) [L98] COND TRUE 1 [L100] state = s__state [L101] COND TRUE s__state == 12292 [L203] s__new_session = 1 [L204] s__state = 4096 [L205] s__ctx__stats__sess_connect_renegotiate ++ [L210] s__server = 0 [L211] COND TRUE cb != 0 [L215] __cil_tmp55 = s__version - 65280 [L216] COND FALSE !(__cil_tmp55 != 768) [L221] s__type = 4096 [L222] COND FALSE !(s__init_buf___0 == 0) [L234] COND FALSE !(! tmp___4) [L238] COND FALSE !(! tmp___5) [L242] s__state = 4368 [L243] s__ctx__stats__sess_connect ++ [L244] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND TRUE s__state == 4368 [L248] s__shutdown = 0 [L249] ret = __VERIFIER_nondet_int() [L250] COND TRUE blastFlag == 0 [L251] blastFlag = 1 [L257] COND FALSE !(ret <= 0) [L260] s__state = 4384 [L261] s__init_num = 0 [L262] COND TRUE s__bbio != s__wbio [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND TRUE s__state == 4384 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 1 [L270] blastFlag = 2 [L272] COND FALSE !(ret <= 0) [L275] COND FALSE !(\read(s__hit)) [L278] s__state = 4400 [L280] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND TRUE s__state == 4400 [L285] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L286] COND FALSE !(__cil_tmp56 - 256UL) [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 2 [L291] blastFlag = 3 [L293] COND FALSE !(ret <= 0) [L298] s__state = 4416 [L299] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND FALSE !(s__state == 4400) [L131] COND FALSE !(s__state == 4401) [L134] COND TRUE s__state == 4416 [L303] ret = __VERIFIER_nondet_int() [L304] COND TRUE blastFlag == 3 [L305] blastFlag = 4 [L307] COND FALSE !(ret <= 0) [L310] s__state = 4432 [L311] s__init_num = 0 [L312] COND FALSE !(! tmp___6) [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND FALSE !(s__state == 4400) [L131] COND FALSE !(s__state == 4401) [L134] COND FALSE !(s__state == 4416) [L137] COND FALSE !(s__state == 4417) [L140] COND TRUE s__state == 4432 [L319] ret = __VERIFIER_nondet_int() [L320] COND TRUE blastFlag == 4 [L548] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.7s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1184 SDtfs, 813 SDslu, 1015 SDs, 0 SdLazy, 502 SolverSat, 125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=841occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 168 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 59172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 316/316 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...