/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=WIDEST --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_clnt_4.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:13:00,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:13:00,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:13:00,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:13:00,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:13:00,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:13:00,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:13:00,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:13:00,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:13:00,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:13:00,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:13:00,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:13:00,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:13:00,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:13:00,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:13:00,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:13:00,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:13:00,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:13:00,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:13:00,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:13:00,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:13:00,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:13:00,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:13:00,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:13:00,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:13:00,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:13:00,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:13:00,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:13:00,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:13:00,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:13:00,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:13:00,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:13:00,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:13:00,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:13:00,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:13:00,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:13:00,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:13:00,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:13:00,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:13:00,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:13:00,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:13:00,657 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 03:13:00,683 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:13:00,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:13:00,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:13:00,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:13:00,685 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:13:00,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:13:00,686 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:13:00,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:13:00,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:13:00,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:13:00,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:13:00,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:13:00,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:13:00,687 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:13:00,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:13:00,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:13:00,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:13:00,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:13:00,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:13:00,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:13:00,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:13:00,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:13:00,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:13:00,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:13:00,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:13:00,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:13:00,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:13:00,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:13:00,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:13:00,691 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:13:01,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:13:01,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:13:01,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:13:01,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:13:01,133 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:13:01,134 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_4.cil-2.c [2020-09-25 03:13:01,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d992b7cd/dbb2593b16274caa909e40af3bc5a441/FLAGdc08adf2f [2020-09-25 03:13:01,839 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:13:01,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_4.cil-2.c [2020-09-25 03:13:01,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d992b7cd/dbb2593b16274caa909e40af3bc5a441/FLAGdc08adf2f [2020-09-25 03:13:02,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d992b7cd/dbb2593b16274caa909e40af3bc5a441 [2020-09-25 03:13:02,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:13:02,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:13:02,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:13:02,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:13:02,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:13:02,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f9cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02, skipping insertion in model container [2020-09-25 03:13:02,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:13:02,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:13:02,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:13:02,538 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:13:02,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:13:02,727 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:13:02,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02 WrapperNode [2020-09-25 03:13:02,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:13:02,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:13:02,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:13:02,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:13:02,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:13:02,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:13:02,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:13:02,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:13:02,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (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 03:13:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:13:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:13:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 03:13:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:13:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:13:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 03:13:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:13:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 03:13:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 03:13:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:13:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:13:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:13:03,058 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 03:13:03,765 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 03:13:03,766 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 03:13:03,792 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:13:03,793 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 03:13:03,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:13:03 BoogieIcfgContainer [2020-09-25 03:13:03,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:13:03,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:13:03,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:13:03,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:13:03,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:13:02" (1/3) ... [2020-09-25 03:13:03,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd09018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:13:03, skipping insertion in model container [2020-09-25 03:13:03,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (2/3) ... [2020-09-25 03:13:03,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd09018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:13:03, skipping insertion in model container [2020-09-25 03:13:03,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:13:03" (3/3) ... [2020-09-25 03:13:03,811 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-2.c [2020-09-25 03:13:03,823 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:13:03,835 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:13:03,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:13:03,899 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:13:03,899 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:13:03,899 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:13:03,899 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:13:03,900 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:13:03,900 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:13:03,900 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:13:03,900 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:13:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states. [2020-09-25 03:13:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 03:13:03,953 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:03,955 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] [2020-09-25 03:13:03,956 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:03,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:03,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1739904560, now seen corresponding path program 1 times [2020-09-25 03:13:03,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:03,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994939797] [2020-09-25 03:13:03,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:04,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:05,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:05,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-09-25 03:13:05,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1203 [2020-09-25 03:13:05,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:05,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:13:05,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 03:13:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-25 03:13:05,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:13:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:05,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:05,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:05,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:05,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:05,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:05,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:05,685 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 03:13:05,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994939797] [2020-09-25 03:13:05,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:05,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:13:05,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586368624] [2020-09-25 03:13:05,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:13:05,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:05,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:13:05,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:13:05,723 INFO L87 Difference]: Start difference. First operand 391 states. Second operand 6 states. [2020-09-25 03:13:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:06,111 INFO L93 Difference]: Finished difference Result 635 states and 810 transitions. [2020-09-25 03:13:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:13:06,113 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2020-09-25 03:13:06,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:06,149 INFO L225 Difference]: With dead ends: 635 [2020-09-25 03:13:06,149 INFO L226 Difference]: Without dead ends: 352 [2020-09-25 03:13:06,161 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 03:13:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-09-25 03:13:06,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2020-09-25 03:13:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-09-25 03:13:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 409 transitions. [2020-09-25 03:13:06,283 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 409 transitions. Word has length 167 [2020-09-25 03:13:06,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:06,284 INFO L479 AbstractCegarLoop]: Abstraction has 352 states and 409 transitions. [2020-09-25 03:13:06,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:13:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 409 transitions. [2020-09-25 03:13:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 03:13:06,289 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:06,289 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:06,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:13:06,290 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:06,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:06,291 INFO L82 PathProgramCache]: Analyzing trace with hash -5837123, now seen corresponding path program 1 times [2020-09-25 03:13:06,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:06,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023170619] [2020-09-25 03:13:06,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:06,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:06,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 03:13:06,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-09-25 03:13:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-25 03:13:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 03:13:06,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:06,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:06,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:06,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:06,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 03:13:06,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023170619] [2020-09-25 03:13:06,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:06,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:06,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149726364] [2020-09-25 03:13:06,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:06,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:06,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:06,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:06,767 INFO L87 Difference]: Start difference. First operand 352 states and 409 transitions. Second operand 3 states. [2020-09-25 03:13:06,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:06,864 INFO L93 Difference]: Finished difference Result 745 states and 909 transitions. [2020-09-25 03:13:06,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:06,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-09-25 03:13:06,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:06,872 INFO L225 Difference]: With dead ends: 745 [2020-09-25 03:13:06,872 INFO L226 Difference]: Without dead ends: 545 [2020-09-25 03:13:06,878 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 03:13:06,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-09-25 03:13:06,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2020-09-25 03:13:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-09-25 03:13:06,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 651 transitions. [2020-09-25 03:13:06,924 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 651 transitions. Word has length 190 [2020-09-25 03:13:06,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:06,925 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 651 transitions. [2020-09-25 03:13:06,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 651 transitions. [2020-09-25 03:13:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-25 03:13:06,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:06,935 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:06,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:13:06,936 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:06,936 INFO L82 PathProgramCache]: Analyzing trace with hash -525577979, now seen corresponding path program 1 times [2020-09-25 03:13:06,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:06,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951280535] [2020-09-25 03:13:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:07,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:07,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-09-25 03:13:07,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-09-25 03:13:07,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-09-25 03:13:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 03:13:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:07,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:07,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:07,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:07,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:07,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:07,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:07,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:07,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:07,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 03:13:07,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951280535] [2020-09-25 03:13:07,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:07,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:07,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745336641] [2020-09-25 03:13:07,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:07,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:07,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:07,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:07,447 INFO L87 Difference]: Start difference. First operand 545 states and 651 transitions. Second operand 3 states. [2020-09-25 03:13:07,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:07,509 INFO L93 Difference]: Finished difference Result 938 states and 1151 transitions. [2020-09-25 03:13:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:07,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-09-25 03:13:07,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:07,514 INFO L225 Difference]: With dead ends: 938 [2020-09-25 03:13:07,514 INFO L226 Difference]: Without dead ends: 738 [2020-09-25 03:13:07,515 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 03:13:07,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-09-25 03:13:07,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 738. [2020-09-25 03:13:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2020-09-25 03:13:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 894 transitions. [2020-09-25 03:13:07,540 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 894 transitions. Word has length 210 [2020-09-25 03:13:07,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:07,541 INFO L479 AbstractCegarLoop]: Abstraction has 738 states and 894 transitions. [2020-09-25 03:13:07,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 894 transitions. [2020-09-25 03:13:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-09-25 03:13:07,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:07,549 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:07,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:13:07,550 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:07,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:07,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1852648600, now seen corresponding path program 1 times [2020-09-25 03:13:07,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:07,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191421396] [2020-09-25 03:13:07,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:07,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:08,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-25 03:13:08,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:13:08,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-09-25 03:13:08,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:08,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:08,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-09-25 03:13:08,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 03:13:08,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:08,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:08,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:08,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:08,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 03:13:08,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191421396] [2020-09-25 03:13:08,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:08,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:08,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575033286] [2020-09-25 03:13:08,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:08,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:08,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:08,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:08,193 INFO L87 Difference]: Start difference. First operand 738 states and 894 transitions. Second operand 3 states. [2020-09-25 03:13:08,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:08,288 INFO L93 Difference]: Finished difference Result 1324 states and 1637 transitions. [2020-09-25 03:13:08,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:08,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-09-25 03:13:08,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:08,294 INFO L225 Difference]: With dead ends: 1324 [2020-09-25 03:13:08,294 INFO L226 Difference]: Without dead ends: 931 [2020-09-25 03:13:08,296 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 03:13:08,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-09-25 03:13:08,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2020-09-25 03:13:08,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-09-25 03:13:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1138 transitions. [2020-09-25 03:13:08,328 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1138 transitions. Word has length 231 [2020-09-25 03:13:08,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:08,329 INFO L479 AbstractCegarLoop]: Abstraction has 931 states and 1138 transitions. [2020-09-25 03:13:08,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1138 transitions. [2020-09-25 03:13:08,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 03:13:08,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:08,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:08,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:13:08,339 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:08,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:08,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1367299244, now seen corresponding path program 1 times [2020-09-25 03:13:08,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:08,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305009919] [2020-09-25 03:13:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:08,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:09,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:09,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 03:13:09,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:13:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 868 [2020-09-25 03:13:09,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 237 [2020-09-25 03:13:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 03:13:09,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:09,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:09,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:09,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:09,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:13:09,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-25 03:13:09,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305009919] [2020-09-25 03:13:09,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:09,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:09,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899384527] [2020-09-25 03:13:09,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:09,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:09,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:09,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:09,364 INFO L87 Difference]: Start difference. First operand 931 states and 1138 transitions. Second operand 3 states. [2020-09-25 03:13:09,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:09,430 INFO L93 Difference]: Finished difference Result 1710 states and 2125 transitions. [2020-09-25 03:13:09,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:09,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-09-25 03:13:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:09,436 INFO L225 Difference]: With dead ends: 1710 [2020-09-25 03:13:09,436 INFO L226 Difference]: Without dead ends: 1124 [2020-09-25 03:13:09,438 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 03:13:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2020-09-25 03:13:09,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1124. [2020-09-25 03:13:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-09-25 03:13:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1383 transitions. [2020-09-25 03:13:09,468 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1383 transitions. Word has length 255 [2020-09-25 03:13:09,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:09,469 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1383 transitions. [2020-09-25 03:13:09,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1383 transitions. [2020-09-25 03:13:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 03:13:09,474 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:09,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:09,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 03:13:09,475 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:09,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:09,476 INFO L82 PathProgramCache]: Analyzing trace with hash -439196917, now seen corresponding path program 1 times [2020-09-25 03:13:09,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:09,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386994674] [2020-09-25 03:13:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:09,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:09,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:09,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-09-25 03:13:09,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-09-25 03:13:09,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-09-25 03:13:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 03:13:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:09,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:09,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:09,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:09,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:09,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:09,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 03:13:09,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386994674] [2020-09-25 03:13:09,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:09,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:09,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234561378] [2020-09-25 03:13:09,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:09,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:09,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:09,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:09,883 INFO L87 Difference]: Start difference. First operand 1124 states and 1383 transitions. Second operand 3 states. [2020-09-25 03:13:10,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:10,119 INFO L93 Difference]: Finished difference Result 2406 states and 3110 transitions. [2020-09-25 03:13:10,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:10,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-09-25 03:13:10,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:10,128 INFO L225 Difference]: With dead ends: 2406 [2020-09-25 03:13:10,128 INFO L226 Difference]: Without dead ends: 1429 [2020-09-25 03:13:10,130 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 03:13:10,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2020-09-25 03:13:10,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1344. [2020-09-25 03:13:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2020-09-25 03:13:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1648 transitions. [2020-09-25 03:13:10,166 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1648 transitions. Word has length 280 [2020-09-25 03:13:10,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:10,166 INFO L479 AbstractCegarLoop]: Abstraction has 1344 states and 1648 transitions. [2020-09-25 03:13:10,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1648 transitions. [2020-09-25 03:13:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 03:13:10,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:10,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:10,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 03:13:10,173 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:10,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:10,174 INFO L82 PathProgramCache]: Analyzing trace with hash -802173269, now seen corresponding path program 1 times [2020-09-25 03:13:10,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:10,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502430941] [2020-09-25 03:13:10,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 03:13:10,217 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 03:13:10,218 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 03:13:10,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 03:13:10,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:13:10 BoogieIcfgContainer [2020-09-25 03:13:10,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:13:10,262 INFO L168 Benchmark]: Toolchain (without parser) took 8125.54 ms. Allocated memory was 146.3 MB in the beginning and 337.6 MB in the end (delta: 191.4 MB). Free memory was 101.7 MB in the beginning and 153.6 MB in the end (delta: -51.9 MB). Peak memory consumption was 139.4 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:10,263 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 03:13:10,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.50 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.0 MB in the beginning and 178.6 MB in the end (delta: -77.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:10,265 INFO L168 Benchmark]: Boogie Preprocessor took 63.52 ms. Allocated memory is still 202.9 MB. Free memory was 178.6 MB in the beginning and 175.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:10,265 INFO L168 Benchmark]: RCFGBuilder took 1009.63 ms. Allocated memory is still 202.9 MB. Free memory was 175.9 MB in the beginning and 111.5 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:10,266 INFO L168 Benchmark]: TraceAbstraction took 6455.67 ms. Allocated memory was 202.9 MB in the beginning and 337.6 MB in the end (delta: 134.7 MB). Free memory was 110.8 MB in the beginning and 153.6 MB in the end (delta: -42.8 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:10,270 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 584.50 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.0 MB in the beginning and 178.6 MB in the end (delta: -77.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.52 ms. Allocated memory is still 202.9 MB. Free memory was 178.6 MB in the beginning and 175.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1009.63 ms. Allocated memory is still 202.9 MB. Free memory was 175.9 MB in the beginning and 111.5 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6455.67 ms. Allocated memory was 202.9 MB in the beginning and 337.6 MB in the end (delta: 134.7 MB). Free memory was 110.8 MB in the beginning and 153.6 MB in the end (delta: -42.8 MB). Peak memory consumption was 92.0 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 = __VERIFIER_nondet_int() ; [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 = __VERIFIER_nondet_int() ; [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 = __VERIFIER_nondet_int() ; [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 [L253] COND FALSE !(ret <= 0) [L256] s__state = 4384 [L257] s__init_num = 0 [L258] 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 [L264] ret = __VERIFIER_nondet_int() [L265] COND TRUE blastFlag == 1 [L266] blastFlag = 2 [L268] COND FALSE !(ret <= 0) [L271] COND FALSE !(\read(s__hit)) [L274] s__state = 4400 [L276] 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 [L281] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L282] COND FALSE !(__cil_tmp56 + 256UL) [L285] ret = __VERIFIER_nondet_int() [L286] COND TRUE blastFlag == 2 [L287] 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, 391 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.3s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2498 SDtfs, 1803 SDslu, 2622 SDs, 0 SdLazy, 323 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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=1344occurred 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, 85 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1613 NumberOfCodeBlocks, 1613 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1327 ConstructedInterpolants, 0 QuantifiedInterpolants, 419073 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 275/275 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...