/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 SingleStatement --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:10:30,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:10:30,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:10:30,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:10:30,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:10:30,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:10:30,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:10:30,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:10:30,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:10:30,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:10:30,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:10:30,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:10:30,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:10:30,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:10:30,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:10:30,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:10:30,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:10:30,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:10:30,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:10:30,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:10:30,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:10:30,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:10:30,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:10:30,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:10:30,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:10:30,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:10:30,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:10:30,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:10:30,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:10:30,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:10:30,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:10:30,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:10:30,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:10:30,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:10:30,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:10:30,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:10:30,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:10:30,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:10:30,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:10:30,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:10:30,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:10:30,641 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 [2020-09-25 11:10:30,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:10:30,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:10:30,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:10:30,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:10:30,691 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:10:30,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:10:30,691 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:10:30,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:10:30,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:10:30,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:10:30,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:10:30,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:10:30,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:10:30,694 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:10:30,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:10:30,694 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:10:30,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:10:30,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:10:30,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:10:30,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:10:30,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:10:30,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:10:30,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:10:30,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:10:30,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:10:30,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:10:30,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:10:30,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:10:30,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:10:30,697 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 -> SingleStatement 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:10:31,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:10:31,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:10:31,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:10:31,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:10:31,170 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:10:31,171 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-1.c [2020-09-25 11:10:31,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c87282a1/da6d7fa2d0df4791ba43b3cc8e49ccc6/FLAG561ac566b [2020-09-25 11:10:31,850 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:10:31,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-1.c [2020-09-25 11:10:31,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c87282a1/da6d7fa2d0df4791ba43b3cc8e49ccc6/FLAG561ac566b [2020-09-25 11:10:32,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c87282a1/da6d7fa2d0df4791ba43b3cc8e49ccc6 [2020-09-25 11:10:32,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:10:32,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:10:32,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:10:32,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:10:32,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:10:32,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d2c0449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32, skipping insertion in model container [2020-09-25 11:10:32,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:10:32,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:10:32,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:10:32,570 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:10:32,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:10:32,743 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:10:32,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32 WrapperNode [2020-09-25 11:10:32,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:10:32,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:10:32,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:10:32,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:10:32,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:10:32,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:10:32,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:10:32,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:10:32,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (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 [2020-09-25 11:10:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:10:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:10:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-09-25 11:10:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:10:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:10:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 11:10:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:10:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 11:10:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-09-25 11:10:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:10:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:10:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:10:33,093 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 11:10:33,724 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-09-25 11:10:33,724 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-09-25 11:10:33,743 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:10:33,744 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 11:10:33,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:33 BoogieIcfgContainer [2020-09-25 11:10:33,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:10:33,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:10:33,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:10:33,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:10:33,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:10:32" (1/3) ... [2020-09-25 11:10:33,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bb1558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:33, skipping insertion in model container [2020-09-25 11:10:33,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (2/3) ... [2020-09-25 11:10:33,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bb1558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:33, skipping insertion in model container [2020-09-25 11:10:33,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:33" (3/3) ... [2020-09-25 11:10:33,763 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil-1.c [2020-09-25 11:10:33,775 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:10:33,787 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:10:33,810 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:10:33,843 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:10:33,843 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:10:33,843 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:10:33,843 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:10:33,844 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:10:33,844 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:10:33,844 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:10:33,844 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:10:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states. [2020-09-25 11:10:33,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 11:10:33,899 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:33,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:10:33,901 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:33,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:33,909 INFO L82 PathProgramCache]: Analyzing trace with hash 42998903, now seen corresponding path program 1 times [2020-09-25 11:10:33,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:33,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467118293] [2020-09-25 11:10:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:34,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:34,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:34,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:34,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-25 11:10:34,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:34,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 832 [2020-09-25 11:10:34,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:34,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:34,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:10:34,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 11:10:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-25 11:10:34,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:10:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:35,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:35,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:35,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:35,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:35,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:35,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:10:35,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467118293] [2020-09-25 11:10:35,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:35,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:10:35,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938741376] [2020-09-25 11:10:35,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:10:35,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:35,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:10:35,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:10:35,247 INFO L87 Difference]: Start difference. First operand 416 states. Second operand 6 states. [2020-09-25 11:10:35,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:35,686 INFO L93 Difference]: Finished difference Result 738 states and 951 transitions. [2020-09-25 11:10:35,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 11:10:35,689 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2020-09-25 11:10:35,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:35,725 INFO L225 Difference]: With dead ends: 738 [2020-09-25 11:10:35,726 INFO L226 Difference]: Without dead ends: 413 [2020-09-25 11:10:35,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:10:35,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-09-25 11:10:35,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 402. [2020-09-25 11:10:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-25 11:10:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 476 transitions. [2020-09-25 11:10:35,866 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 476 transitions. Word has length 169 [2020-09-25 11:10:35,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:35,869 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 476 transitions. [2020-09-25 11:10:35,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:10:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 476 transitions. [2020-09-25 11:10:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 11:10:35,880 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:35,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:10:35,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:10:35,882 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:35,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:35,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1881331938, now seen corresponding path program 1 times [2020-09-25 11:10:35,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:35,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074900813] [2020-09-25 11:10:35,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:35,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:36,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 11:10:36,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:10:36,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-09-25 11:10:36,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:36,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 11:10:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:10:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:36,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:36,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:36,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:36,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:36,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:10:36,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:36,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:10:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 11:10:36,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074900813] [2020-09-25 11:10:36,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:36,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:36,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198713354] [2020-09-25 11:10:36,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:36,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:36,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:36,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:36,652 INFO L87 Difference]: Start difference. First operand 402 states and 476 transitions. Second operand 3 states. [2020-09-25 11:10:36,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:36,745 INFO L93 Difference]: Finished difference Result 937 states and 1152 transitions. [2020-09-25 11:10:36,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:36,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-09-25 11:10:36,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:36,753 INFO L225 Difference]: With dead ends: 937 [2020-09-25 11:10:36,753 INFO L226 Difference]: Without dead ends: 666 [2020-09-25 11:10:36,758 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 [2020-09-25 11:10:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2020-09-25 11:10:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2020-09-25 11:10:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2020-09-25 11:10:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 806 transitions. [2020-09-25 11:10:36,792 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 806 transitions. Word has length 191 [2020-09-25 11:10:36,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:36,793 INFO L479 AbstractCegarLoop]: Abstraction has 666 states and 806 transitions. [2020-09-25 11:10:36,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 806 transitions. [2020-09-25 11:10:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 11:10:36,797 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:36,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:10:36,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:10:36,798 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:36,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:36,798 INFO L82 PathProgramCache]: Analyzing trace with hash 572919500, now seen corresponding path program 1 times [2020-09-25 11:10:36,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:36,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124026044] [2020-09-25 11:10:36,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:36,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:37,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 11:10:37,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:37,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-09-25 11:10:37,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:37,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-09-25 11:10:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 11:10:37,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:37,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:37,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:37,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:37,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:10:37,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:37,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:37,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:10:37,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124026044] [2020-09-25 11:10:37,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:37,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:37,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277438033] [2020-09-25 11:10:37,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:37,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:37,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:37,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:37,301 INFO L87 Difference]: Start difference. First operand 666 states and 806 transitions. Second operand 3 states. [2020-09-25 11:10:37,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:37,583 INFO L93 Difference]: Finished difference Result 1371 states and 1732 transitions. [2020-09-25 11:10:37,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:37,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2020-09-25 11:10:37,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:37,590 INFO L225 Difference]: With dead ends: 1371 [2020-09-25 11:10:37,591 INFO L226 Difference]: Without dead ends: 812 [2020-09-25 11:10:37,593 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 [2020-09-25 11:10:37,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-09-25 11:10:37,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 770. [2020-09-25 11:10:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-09-25 11:10:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 942 transitions. [2020-09-25 11:10:37,617 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 942 transitions. Word has length 192 [2020-09-25 11:10:37,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:37,618 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 942 transitions. [2020-09-25 11:10:37,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 942 transitions. [2020-09-25 11:10:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 11:10:37,622 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:37,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:10:37,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:10:37,622 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:37,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:37,623 INFO L82 PathProgramCache]: Analyzing trace with hash -442840212, now seen corresponding path program 1 times [2020-09-25 11:10:37,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:37,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391007028] [2020-09-25 11:10:37,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:37,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:38,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 11:10:38,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-09-25 11:10:38,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:38,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 11:10:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 11:10:38,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:10:38,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:38,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:38,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:38,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:38,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:10:38,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391007028] [2020-09-25 11:10:38,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:38,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:38,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029408871] [2020-09-25 11:10:38,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:38,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:38,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:38,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:38,559 INFO L87 Difference]: Start difference. First operand 770 states and 942 transitions. Second operand 3 states. [2020-09-25 11:10:38,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:38,627 INFO L93 Difference]: Finished difference Result 1409 states and 1754 transitions. [2020-09-25 11:10:38,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:38,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-09-25 11:10:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:38,633 INFO L225 Difference]: With dead ends: 1409 [2020-09-25 11:10:38,634 INFO L226 Difference]: Without dead ends: 1086 [2020-09-25 11:10:38,635 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 [2020-09-25 11:10:38,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-09-25 11:10:38,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2020-09-25 11:10:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1086 states. [2020-09-25 11:10:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1341 transitions. [2020-09-25 11:10:38,665 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1341 transitions. Word has length 199 [2020-09-25 11:10:38,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:38,665 INFO L479 AbstractCegarLoop]: Abstraction has 1086 states and 1341 transitions. [2020-09-25 11:10:38,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1341 transitions. [2020-09-25 11:10:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 11:10:38,670 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:38,671 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:10:38,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:10:38,671 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:38,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:38,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1902289806, now seen corresponding path program 1 times [2020-09-25 11:10:38,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:38,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454151103] [2020-09-25 11:10:38,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:38,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:39,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-25 11:10:39,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-09-25 11:10:39,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:39,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 11:10:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 11:10:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:39,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:39,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:39,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:39,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:10:39,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:39,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:39,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:10:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 11:10:39,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454151103] [2020-09-25 11:10:39,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:39,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:39,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232140055] [2020-09-25 11:10:39,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:39,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:39,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:39,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:39,153 INFO L87 Difference]: Start difference. First operand 1086 states and 1341 transitions. Second operand 3 states. [2020-09-25 11:10:39,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:39,438 INFO L93 Difference]: Finished difference Result 2245 states and 2866 transitions. [2020-09-25 11:10:39,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:39,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-09-25 11:10:39,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:39,446 INFO L225 Difference]: With dead ends: 2245 [2020-09-25 11:10:39,447 INFO L226 Difference]: Without dead ends: 1281 [2020-09-25 11:10:39,449 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 [2020-09-25 11:10:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2020-09-25 11:10:39,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1215. [2020-09-25 11:10:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-09-25 11:10:39,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1566 transitions. [2020-09-25 11:10:39,490 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1566 transitions. Word has length 217 [2020-09-25 11:10:39,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:39,491 INFO L479 AbstractCegarLoop]: Abstraction has 1215 states and 1566 transitions. [2020-09-25 11:10:39,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1566 transitions. [2020-09-25 11:10:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 11:10:39,496 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:39,496 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:10:39,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 11:10:39,496 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:39,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:39,497 INFO L82 PathProgramCache]: Analyzing trace with hash 561231978, now seen corresponding path program 1 times [2020-09-25 11:10:39,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:39,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027102819] [2020-09-25 11:10:39,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:39,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:40,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:40,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:40,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-25 11:10:40,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:10:40,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-09-25 11:10:40,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:40,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:40,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:40,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-25 11:10:40,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 11:10:40,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:40,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:40,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:40,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:40,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:40,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:40,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:40,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:40,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:40,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 11:10:40,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027102819] [2020-09-25 11:10:40,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:40,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:40,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415092466] [2020-09-25 11:10:40,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:40,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:40,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:40,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:40,725 INFO L87 Difference]: Start difference. First operand 1215 states and 1566 transitions. Second operand 3 states. [2020-09-25 11:10:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:40,823 INFO L93 Difference]: Finished difference Result 2299 states and 3002 transitions. [2020-09-25 11:10:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:40,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-09-25 11:10:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:40,854 INFO L225 Difference]: With dead ends: 2299 [2020-09-25 11:10:40,854 INFO L226 Difference]: Without dead ends: 1574 [2020-09-25 11:10:40,856 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 [2020-09-25 11:10:40,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2020-09-25 11:10:40,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1574. [2020-09-25 11:10:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1574 states. [2020-09-25 11:10:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2041 transitions. [2020-09-25 11:10:40,898 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2041 transitions. Word has length 224 [2020-09-25 11:10:40,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:40,899 INFO L479 AbstractCegarLoop]: Abstraction has 1574 states and 2041 transitions. [2020-09-25 11:10:40,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2041 transitions. [2020-09-25 11:10:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-09-25 11:10:40,906 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:40,906 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:10:40,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 11:10:40,906 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:40,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:40,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1338604276, now seen corresponding path program 1 times [2020-09-25 11:10:40,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:40,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557112442] [2020-09-25 11:10:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 11:10:40,951 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 11:10:40,951 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 11:10:40,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 11:10:40,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:10:40 BoogieIcfgContainer [2020-09-25 11:10:40,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 11:10:40,993 INFO L168 Benchmark]: Toolchain (without parser) took 8828.45 ms. Allocated memory was 141.0 MB in the beginning and 359.7 MB in the end (delta: 218.6 MB). Free memory was 102.2 MB in the beginning and 289.5 MB in the end (delta: -187.3 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,994 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.01 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 179.7 MB in the end (delta: -78.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,995 INFO L168 Benchmark]: Boogie Preprocessor took 64.88 ms. Allocated memory is still 204.5 MB. Free memory was 179.7 MB in the beginning and 176.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,996 INFO L168 Benchmark]: RCFGBuilder took 943.34 ms. Allocated memory is still 204.5 MB. Free memory was 176.9 MB in the beginning and 108.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,997 INFO L168 Benchmark]: TraceAbstraction took 7235.15 ms. Allocated memory was 204.5 MB in the beginning and 359.7 MB in the end (delta: 155.2 MB). Free memory was 108.1 MB in the beginning and 289.5 MB in the end (delta: -181.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 11:10:41,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 576.01 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 179.7 MB in the end (delta: -78.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.88 ms. Allocated memory is still 204.5 MB. Free memory was 179.7 MB in the beginning and 176.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 943.34 ms. Allocated memory is still 204.5 MB. Free memory was 176.9 MB in the beginning and 108.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7235.15 ms. Allocated memory was 204.5 MB in the beginning and 359.7 MB in the end (delta: 155.2 MB). Free memory was 108.1 MB in the beginning and 289.5 MB in the end (delta: -181.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 611]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L616] int s ; [L617] int tmp ; [L621] s = 8464 [L622] CALL ssl3_accept(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__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 = __VERIFIER_nondet_int() ; [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 = __VERIFIER_nondet_int() ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp = __VERIFIER_nondet_long() ; [L45] int cb ; [L46] long num1 ; [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 ; [L55] int tmp___4 ; [L56] int tmp___5 ; [L57] int tmp___6 ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 ; [L61] int tmp___10 ; [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 ; [L73] s__state = initial_state [L74] blastFlag = 0 [L75] Time = tmp [L76] cb = 0 [L77] ret = -1 [L78] skip = 0 [L79] got_new_session = 0 [L80] COND TRUE s__info_callback != 0 [L81] cb = s__info_callback [L87] s__in_handshake ++ [L88] COND FALSE !(tmp___1 + 12288) [L93] COND FALSE !(s__cert == 0) [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 8192) [L109] COND FALSE !(s__state == 24576) [L112] COND FALSE !(s__state == 8195) [L115] COND FALSE !(s__state == 8480) [L118] COND FALSE !(s__state == 8481) [L121] COND FALSE !(s__state == 8482) [L124] COND TRUE s__state == 8464 [L268] s__shutdown = 0 [L269] ret = __VERIFIER_nondet_int() [L270] COND TRUE blastFlag == 0 [L271] blastFlag = 1 [L273] COND FALSE !(ret <= 0) [L276] got_new_session = 1 [L277] s__state = 8496 [L278] s__init_num = 0 [L583] COND FALSE !(! s__s3__tmp__reuse_message) [L600] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 8192) [L109] COND FALSE !(s__state == 24576) [L112] COND FALSE !(s__state == 8195) [L115] COND FALSE !(s__state == 8480) [L118] COND FALSE !(s__state == 8481) [L121] COND FALSE !(s__state == 8482) [L124] COND FALSE !(s__state == 8464) [L127] COND FALSE !(s__state == 8465) [L130] COND FALSE !(s__state == 8466) [L133] COND TRUE s__state == 8496 [L282] ret = __VERIFIER_nondet_int() [L283] COND TRUE blastFlag == 1 [L284] blastFlag = 2 [L286] COND FALSE !(ret <= 0) [L289] COND TRUE \read(s__hit) [L290] s__state = 8656 [L294] s__init_num = 0 [L583] COND FALSE !(! s__s3__tmp__reuse_message) [L600] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 8192) [L109] COND FALSE !(s__state == 24576) [L112] COND FALSE !(s__state == 8195) [L115] COND FALSE !(s__state == 8480) [L118] COND FALSE !(s__state == 8481) [L121] COND FALSE !(s__state == 8482) [L124] COND FALSE !(s__state == 8464) [L127] COND FALSE !(s__state == 8465) [L130] COND FALSE !(s__state == 8466) [L133] COND FALSE !(s__state == 8496) [L136] COND FALSE !(s__state == 8497) [L139] COND FALSE !(s__state == 8512) [L142] COND FALSE !(s__state == 8513) [L145] COND FALSE !(s__state == 8528) [L148] COND FALSE !(s__state == 8529) [L151] COND FALSE !(s__state == 8544) [L154] COND FALSE !(s__state == 8545) [L157] COND FALSE !(s__state == 8560) [L160] COND FALSE !(s__state == 8561) [L163] COND FALSE !(s__state == 8448) [L166] COND FALSE !(s__state == 8576) [L169] COND FALSE !(s__state == 8577) [L172] COND FALSE !(s__state == 8592) [L175] COND FALSE !(s__state == 8593) [L178] COND FALSE !(s__state == 8608) [L181] COND FALSE !(s__state == 8609) [L184] COND FALSE !(s__state == 8640) [L187] COND FALSE !(s__state == 8641) [L190] COND TRUE s__state == 8656 [L488] s__session__cipher = s__s3__tmp__new_cipher [L489] tmp___9 = __VERIFIER_nondet_int() [L490] COND FALSE !(! tmp___9) [L494] ret = __VERIFIER_nondet_int() [L495] COND TRUE blastFlag == 2 [L496] blastFlag = 3 [L498] COND FALSE !(ret <= 0) [L501] s__state = 8672 [L502] s__init_num = 0 [L503] tmp___10 = __VERIFIER_nondet_int() [L504] COND FALSE !(! tmp___10) [L583] COND FALSE !(! s__s3__tmp__reuse_message) [L600] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 8192) [L109] COND FALSE !(s__state == 24576) [L112] COND FALSE !(s__state == 8195) [L115] COND FALSE !(s__state == 8480) [L118] COND FALSE !(s__state == 8481) [L121] COND FALSE !(s__state == 8482) [L124] COND FALSE !(s__state == 8464) [L127] COND FALSE !(s__state == 8465) [L130] COND FALSE !(s__state == 8466) [L133] COND FALSE !(s__state == 8496) [L136] COND FALSE !(s__state == 8497) [L139] COND FALSE !(s__state == 8512) [L142] COND FALSE !(s__state == 8513) [L145] COND FALSE !(s__state == 8528) [L148] COND FALSE !(s__state == 8529) [L151] COND FALSE !(s__state == 8544) [L154] COND FALSE !(s__state == 8545) [L157] COND FALSE !(s__state == 8560) [L160] COND FALSE !(s__state == 8561) [L163] COND FALSE !(s__state == 8448) [L166] COND FALSE !(s__state == 8576) [L169] COND FALSE !(s__state == 8577) [L172] COND FALSE !(s__state == 8592) [L175] COND FALSE !(s__state == 8593) [L178] COND FALSE !(s__state == 8608) [L181] COND FALSE !(s__state == 8609) [L184] COND FALSE !(s__state == 8640) [L187] COND FALSE !(s__state == 8641) [L190] COND FALSE !(s__state == 8656) [L193] COND FALSE !(s__state == 8657) [L196] COND TRUE s__state == 8672 [L511] ret = __VERIFIER_nondet_int() [L512] COND FALSE !(blastFlag == 4) [L515] COND TRUE blastFlag == 3 [L611] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 416 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.1s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2677 SDtfs, 2100 SDslu, 2665 SDs, 0 SdLazy, 451 SolverSat, 126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1574occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 119 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1461 NumberOfCodeBlocks, 1461 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1186 ConstructedInterpolants, 0 QuantifiedInterpolants, 384424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 109/109 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...