/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_clnt_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:10:17,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:10:17,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:10:17,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:10:17,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:10:17,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:10:17,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:10:17,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:10:17,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:10:17,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:10:17,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:10:17,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:10:17,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:10:17,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:10:17,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:10:17,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:10:17,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:10:17,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:10:17,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:10:17,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:10:17,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:10:17,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:10:17,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:10:17,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:10:17,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:10:17,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:10:17,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:10:17,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:10:17,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:10:17,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:10:17,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:10:17,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:10:17,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:10:17,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:10:17,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:10:17,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:10:17,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:10:17,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:10:17,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:10:17,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:10:17,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:10:17,847 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 11:10:17,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:10:17,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:10:17,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:10:17,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:10:17,874 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:10:17,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:10:17,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:10:17,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:10:17,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:10:17,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:10:17,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:10:17,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:10:17,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:10:17,876 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:10:17,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:10:17,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:10:17,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:10:17,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:10:17,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:10:17,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:10:17,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:10:17,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:10:17,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:10:17,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:10:17,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:10:17,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:10:17,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:10:17,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:10:17,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:10:17,879 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 11:10:18,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:10:18,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:10:18,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:10:18,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:10:18,420 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:10:18,422 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c [2020-09-25 11:10:18,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/401eff126/2e2fa0995b444a26bf4d4315bed23646/FLAG7c8704da7 [2020-09-25 11:10:19,073 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:10:19,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c [2020-09-25 11:10:19,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/401eff126/2e2fa0995b444a26bf4d4315bed23646/FLAG7c8704da7 [2020-09-25 11:10:19,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/401eff126/2e2fa0995b444a26bf4d4315bed23646 [2020-09-25 11:10:19,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:10:19,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:10:19,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:10:19,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:10:19,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:10:19,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:19,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419c06a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19, skipping insertion in model container [2020-09-25 11:10:19,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:19,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:10:19,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:10:19,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:10:19,776 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:10:19,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:10:19,946 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:10:19,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19 WrapperNode [2020-09-25 11:10:19,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:10:19,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:10:19,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:10:19,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:10:19,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:19,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:19,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:19,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:19,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:20,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:20,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (1/1) ... [2020-09-25 11:10:20,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:10:20,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:10:20,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:10:20,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:10:20,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (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 11:10:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:10:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:10:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 11:10:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:10:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:10:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 11:10:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:10:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 11:10:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 11:10:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:10:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:10:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:10:20,297 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 11:10:20,973 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 11:10:20,973 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 11:10:21,016 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:10:21,016 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 11:10:21,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:21 BoogieIcfgContainer [2020-09-25 11:10:21,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:10:21,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:10:21,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:10:21,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:10:21,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:10:19" (1/3) ... [2020-09-25 11:10:21,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbe3c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:21, skipping insertion in model container [2020-09-25 11:10:21,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:19" (2/3) ... [2020-09-25 11:10:21,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbe3c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:21, skipping insertion in model container [2020-09-25 11:10:21,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:21" (3/3) ... [2020-09-25 11:10:21,046 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-2.c [2020-09-25 11:10:21,058 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:10:21,079 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:10:21,103 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:10:21,138 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:10:21,139 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:10:21,139 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:10:21,139 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:10:21,139 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:10:21,139 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:10:21,140 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:10:21,140 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:10:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states. [2020-09-25 11:10:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:10:21,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:21,198 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] [2020-09-25 11:10:21,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:21,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:21,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1836119895, now seen corresponding path program 1 times [2020-09-25 11:10:21,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:21,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60716696] [2020-09-25 11:10:21,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:21,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:22,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:22,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:22,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-25 11:10:22,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1043 [2020-09-25 11:10:22,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:22,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:10:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 11:10:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-25 11:10:22,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:10:22,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:22,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:22,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:22,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:22,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:22,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:22,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:22,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:22,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:22,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:22,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:22,851 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 11:10:22,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60716696] [2020-09-25 11:10:22,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:22,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 11:10:22,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759314795] [2020-09-25 11:10:22,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:10:22,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:10:22,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:10:22,886 INFO L87 Difference]: Start difference. First operand 383 states. Second operand 5 states. [2020-09-25 11:10:23,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:23,193 INFO L93 Difference]: Finished difference Result 626 states and 801 transitions. [2020-09-25 11:10:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 11:10:23,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-09-25 11:10:23,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:23,215 INFO L225 Difference]: With dead ends: 626 [2020-09-25 11:10:23,215 INFO L226 Difference]: Without dead ends: 344 [2020-09-25 11:10:23,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:10:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-09-25 11:10:23,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2020-09-25 11:10:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-09-25 11:10:23,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 401 transitions. [2020-09-25 11:10:23,294 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 401 transitions. Word has length 160 [2020-09-25 11:10:23,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:23,295 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 401 transitions. [2020-09-25 11:10:23,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:10:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 401 transitions. [2020-09-25 11:10:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 11:10:23,300 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:23,300 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] [2020-09-25 11:10:23,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:10:23,301 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:23,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:23,301 INFO L82 PathProgramCache]: Analyzing trace with hash 933719357, now seen corresponding path program 1 times [2020-09-25 11:10:23,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:23,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839841095] [2020-09-25 11:10:23,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:23,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:23,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:23,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:23,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:23,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 11:10:23,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:23,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-09-25 11:10:23,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:23,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-09-25 11:10:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 11:10:23,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:23,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:23,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:23,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:23,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:23,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:23,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:23,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:23,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:10:23,821 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 11:10:23,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839841095] [2020-09-25 11:10:23,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:23,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:23,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660144062] [2020-09-25 11:10:23,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:23,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:23,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:23,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:23,827 INFO L87 Difference]: Start difference. First operand 344 states and 401 transitions. Second operand 3 states. [2020-09-25 11:10:23,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:23,905 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2020-09-25 11:10:23,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:23,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-09-25 11:10:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:23,911 INFO L225 Difference]: With dead ends: 735 [2020-09-25 11:10:23,911 INFO L226 Difference]: Without dead ends: 536 [2020-09-25 11:10:23,913 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 11:10:23,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-25 11:10:23,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2020-09-25 11:10:23,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 11:10:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 642 transitions. [2020-09-25 11:10:23,969 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 642 transitions. Word has length 183 [2020-09-25 11:10:23,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:23,970 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 642 transitions. [2020-09-25 11:10:23,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 642 transitions. [2020-09-25 11:10:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 11:10:23,986 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:23,986 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] [2020-09-25 11:10:23,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:10:23,988 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:23,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:23,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1378664763, now seen corresponding path program 1 times [2020-09-25 11:10:23,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:23,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227495333] [2020-09-25 11:10:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:24,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:24,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:24,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:24,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:24,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 11:10:24,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-09-25 11:10:24,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:24,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 11:10:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 11:10:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:24,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:24,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:24,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:24,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:24,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:24,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:10:24,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:24,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:24,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:24,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:10:24,599 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 11:10:24,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227495333] [2020-09-25 11:10:24,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:24,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:24,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178119812] [2020-09-25 11:10:24,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:24,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:24,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:24,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:24,603 INFO L87 Difference]: Start difference. First operand 536 states and 642 transitions. Second operand 3 states. [2020-09-25 11:10:24,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:24,677 INFO L93 Difference]: Finished difference Result 927 states and 1140 transitions. [2020-09-25 11:10:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:24,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-09-25 11:10:24,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:24,685 INFO L225 Difference]: With dead ends: 927 [2020-09-25 11:10:24,685 INFO L226 Difference]: Without dead ends: 728 [2020-09-25 11:10:24,687 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 11:10:24,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-09-25 11:10:24,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728. [2020-09-25 11:10:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-09-25 11:10:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 884 transitions. [2020-09-25 11:10:24,724 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 884 transitions. Word has length 203 [2020-09-25 11:10:24,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:24,725 INFO L479 AbstractCegarLoop]: Abstraction has 728 states and 884 transitions. [2020-09-25 11:10:24,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 884 transitions. [2020-09-25 11:10:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 11:10:24,730 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:24,731 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] [2020-09-25 11:10:24,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:10:24,732 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:24,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:24,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1362043361, now seen corresponding path program 1 times [2020-09-25 11:10:24,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:24,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629106277] [2020-09-25 11:10:24,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:24,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:24,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:25,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:25,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-25 11:10:25,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:10:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-09-25 11:10:25,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:25,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-25 11:10:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 11:10:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:25,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:25,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:25,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:25,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:25,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:25,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:25,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:25,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:25,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:25,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:25,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:25,199 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 11:10:25,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629106277] [2020-09-25 11:10:25,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:25,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:25,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508343063] [2020-09-25 11:10:25,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:25,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:25,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:25,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:25,202 INFO L87 Difference]: Start difference. First operand 728 states and 884 transitions. Second operand 3 states. [2020-09-25 11:10:25,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:25,274 INFO L93 Difference]: Finished difference Result 1311 states and 1624 transitions. [2020-09-25 11:10:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:25,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-09-25 11:10:25,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:25,280 INFO L225 Difference]: With dead ends: 1311 [2020-09-25 11:10:25,280 INFO L226 Difference]: Without dead ends: 920 [2020-09-25 11:10:25,282 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 11:10:25,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-09-25 11:10:25,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-09-25 11:10:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-09-25 11:10:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1127 transitions. [2020-09-25 11:10:25,312 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1127 transitions. Word has length 224 [2020-09-25 11:10:25,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:25,312 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1127 transitions. [2020-09-25 11:10:25,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:25,313 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1127 transitions. [2020-09-25 11:10:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-09-25 11:10:25,317 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:25,317 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] [2020-09-25 11:10:25,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:10:25,318 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:25,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:25,318 INFO L82 PathProgramCache]: Analyzing trace with hash 372344425, now seen corresponding path program 1 times [2020-09-25 11:10:25,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:25,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181538191] [2020-09-25 11:10:25,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:25,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:25,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:26,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:26,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-25 11:10:26,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:10:26,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 826 [2020-09-25 11:10:26,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:26,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-09-25 11:10:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 11:10:26,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:26,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:26,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:26,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:26,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:26,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:26,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:10:26,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:26,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:26,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:26,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:26,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:10:26,331 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 11:10:26,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181538191] [2020-09-25 11:10:26,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:26,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:26,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729111088] [2020-09-25 11:10:26,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:26,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:26,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:26,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:26,334 INFO L87 Difference]: Start difference. First operand 920 states and 1127 transitions. Second operand 3 states. [2020-09-25 11:10:26,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:26,403 INFO L93 Difference]: Finished difference Result 1695 states and 2110 transitions. [2020-09-25 11:10:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:26,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-09-25 11:10:26,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:26,410 INFO L225 Difference]: With dead ends: 1695 [2020-09-25 11:10:26,411 INFO L226 Difference]: Without dead ends: 1112 [2020-09-25 11:10:26,413 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 11:10:26,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2020-09-25 11:10:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2020-09-25 11:10:26,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-09-25 11:10:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1371 transitions. [2020-09-25 11:10:26,455 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1371 transitions. Word has length 247 [2020-09-25 11:10:26,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:26,456 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1371 transitions. [2020-09-25 11:10:26,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:26,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1371 transitions. [2020-09-25 11:10:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-25 11:10:26,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:26,462 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] [2020-09-25 11:10:26,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 11:10:26,463 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:26,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:26,463 INFO L82 PathProgramCache]: Analyzing trace with hash -168061962, now seen corresponding path program 1 times [2020-09-25 11:10:26,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:26,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957515799] [2020-09-25 11:10:26,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:26,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:26,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:26,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 11:10:26,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:26,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-09-25 11:10:26,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:26,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:26,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:26,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 11:10:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 11:10:26,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:26,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:26,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:26,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:26,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:26,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:10:26,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:26,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:26,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:26,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:26,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:26,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:10:26,950 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 11:10:26,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957515799] [2020-09-25 11:10:26,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:26,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:26,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24453331] [2020-09-25 11:10:26,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:26,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:26,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:26,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:26,958 INFO L87 Difference]: Start difference. First operand 1112 states and 1371 transitions. Second operand 3 states. [2020-09-25 11:10:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:27,300 INFO L93 Difference]: Finished difference Result 2389 states and 3093 transitions. [2020-09-25 11:10:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:27,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2020-09-25 11:10:27,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:27,311 INFO L225 Difference]: With dead ends: 2389 [2020-09-25 11:10:27,311 INFO L226 Difference]: Without dead ends: 1417 [2020-09-25 11:10:27,315 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 11:10:27,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2020-09-25 11:10:27,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1332. [2020-09-25 11:10:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1332 states. [2020-09-25 11:10:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1636 transitions. [2020-09-25 11:10:27,375 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1636 transitions. Word has length 272 [2020-09-25 11:10:27,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:27,376 INFO L479 AbstractCegarLoop]: Abstraction has 1332 states and 1636 transitions. [2020-09-25 11:10:27,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1636 transitions. [2020-09-25 11:10:27,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-25 11:10:27,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:27,388 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] [2020-09-25 11:10:27,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 11:10:27,389 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:27,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:27,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1703791530, now seen corresponding path program 1 times [2020-09-25 11:10:27,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:27,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064372039] [2020-09-25 11:10:27,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 11:10:27,443 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 11:10:27,444 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 11:10:27,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 11:10:27,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:10:27 BoogieIcfgContainer [2020-09-25 11:10:27,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 11:10:27,531 INFO L168 Benchmark]: Toolchain (without parser) took 8128.43 ms. Allocated memory was 138.9 MB in the beginning and 330.8 MB in the end (delta: 191.9 MB). Free memory was 101.4 MB in the beginning and 200.5 MB in the end (delta: -99.1 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:27,532 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-09-25 11:10:27,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.85 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.6 MB in the beginning and 176.4 MB in the end (delta: -75.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:27,534 INFO L168 Benchmark]: Boogie Preprocessor took 66.45 ms. Allocated memory is still 201.3 MB. Free memory was 176.4 MB in the beginning and 174.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:27,535 INFO L168 Benchmark]: RCFGBuilder took 1018.13 ms. Allocated memory is still 201.3 MB. Free memory was 174.4 MB in the beginning and 110.0 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:27,536 INFO L168 Benchmark]: TraceAbstraction took 6490.75 ms. Allocated memory was 201.3 MB in the beginning and 330.8 MB in the end (delta: 129.5 MB). Free memory was 109.0 MB in the beginning and 200.5 MB in the end (delta: -91.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:27,540 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 541.85 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.6 MB in the beginning and 176.4 MB in the end (delta: -75.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.45 ms. Allocated memory is still 201.3 MB. Free memory was 176.4 MB in the beginning and 174.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1018.13 ms. Allocated memory is still 201.3 MB. Free memory was 174.4 MB in the beginning and 110.0 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6490.75 ms. Allocated memory was 201.3 MB in the beginning and 330.8 MB in the end (delta: 129.5 MB). Free memory was 109.0 MB in the beginning and 200.5 MB in the end (delta: -91.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L548] int s ; [L552] s = 12292 [L553] CALL ssl3_connect(12292) [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int() ; [L20] int s__wbio = __VERIFIER_nondet_int() ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L27] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 = __VERIFIER_nondet_int() ; [L60] int tmp___8 = __VERIFIER_nondet_int() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] 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 ; [L76] s__state = initial_state [L77] blastFlag = 0 [L78] tmp = __VERIFIER_nondet_int() [L79] cb = 0 [L80] ret = -1 [L81] skip = 0 [L82] tmp___0 = 0 [L83] COND TRUE s__info_callback != 0 [L84] cb = s__info_callback [L90] s__in_handshake ++ [L91] COND FALSE !(tmp___1 - 12288) [L97] COND TRUE 1 [L99] state = s__state [L100] COND TRUE s__state == 12292 [L202] s__new_session = 1 [L203] s__state = 4096 [L204] s__ctx__stats__sess_connect_renegotiate ++ [L209] s__server = 0 [L210] COND TRUE cb != 0 [L214] __cil_tmp55 = s__version - 65280 [L215] COND FALSE !(__cil_tmp55 != 768) [L220] s__type = 4096 [L221] COND FALSE !(s__init_buf___0 == 0) [L233] COND FALSE !(! tmp___4) [L237] COND FALSE !(! tmp___5) [L241] s__state = 4368 [L242] s__ctx__stats__sess_connect ++ [L243] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] 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 == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND TRUE s__state == 4368 [L247] s__shutdown = 0 [L248] ret = __VERIFIER_nondet_int() [L249] COND TRUE blastFlag == 0 [L250] blastFlag = 1 [L252] COND FALSE !(ret <= 0) [L255] s__state = 4384 [L256] s__init_num = 0 [L257] COND TRUE s__bbio != s__wbio [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] 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 == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND TRUE s__state == 4384 [L263] ret = __VERIFIER_nondet_int() [L264] COND TRUE blastFlag == 1 [L265] blastFlag = 2 [L267] COND FALSE !(ret <= 0) [L270] COND FALSE !(\read(s__hit)) [L273] s__state = 4400 [L275] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] 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 == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND TRUE s__state == 4400 [L279] COND FALSE !(s__s3__tmp__new_cipher__algorithms - 256) [L282] ret = __VERIFIER_nondet_int() [L283] COND TRUE blastFlag == 2 [L284] blastFlag = 3 [L286] COND FALSE !(ret <= 0) [L290] s__state = 4416 [L291] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] 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 == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND TRUE s__state == 4416 [L295] ret = __VERIFIER_nondet_int() [L296] COND TRUE blastFlag == 3 [L297] blastFlag = 4 [L299] COND FALSE !(ret <= 0) [L302] s__state = 4432 [L303] s__init_num = 0 [L304] COND FALSE !(! tmp___6) [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] 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 == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND FALSE !(s__state == 4416) [L136] COND FALSE !(s__state == 4417) [L139] COND TRUE s__state == 4432 [L311] ret = __VERIFIER_nondet_int() [L312] COND TRUE blastFlag == 4 [L543] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 383 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: 2450 SDtfs, 1786 SDslu, 2110 SDs, 0 SdLazy, 318 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1332occurred 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, 3.8s InterpolantComputationTime, 1561 NumberOfCodeBlocks, 1561 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1283 ConstructedInterpolants, 0 QuantifiedInterpolants, 474599 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...