/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=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:37:39,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:37:39,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:37:39,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:37:39,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:37:39,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:37:39,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:37:39,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:37:39,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:37:39,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:37:39,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:37:39,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:37:39,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:37:39,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:37:39,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:37:39,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:37:39,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:37:39,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:37:39,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:37:39,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:37:39,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:37:39,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:37:39,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:37:39,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:37:39,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:37:39,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:37:39,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:37:39,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:37:39,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:37:39,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:37:39,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:37:39,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:37:39,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:37:39,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:37:39,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:37:39,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:37:39,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:37:39,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:37:39,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:37:39,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:37:39,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:37:39,288 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 [2020-09-24 22:37:39,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:37:39,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:37:39,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:37:39,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:37:39,341 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:37:39,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:37:39,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:37:39,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:37:39,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:37:39,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:37:39,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:37:39,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:37:39,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:37:39,344 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:37:39,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:37:39,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:37:39,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:37:39,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:37:39,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:37:39,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:37:39,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:37:39,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:37:39,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:37:39,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:37:39,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:37:39,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:37:39,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:37:39,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:37:39,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:37:39,347 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:37:39,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:37:39,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:37:39,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:37:39,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:37:39,955 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:37:39,957 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-09-24 22:37:40,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56e2e9ed6/d9e05d7ffe41449995b630f77558d056/FLAG8de722d75 [2020-09-24 22:37:40,622 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:37:40,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-09-24 22:37:40,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56e2e9ed6/d9e05d7ffe41449995b630f77558d056/FLAG8de722d75 [2020-09-24 22:37:40,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56e2e9ed6/d9e05d7ffe41449995b630f77558d056 [2020-09-24 22:37:40,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:37:40,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:37:40,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:37:40,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:37:40,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:37:40,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:37:40" (1/1) ... [2020-09-24 22:37:40,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d107db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:40, skipping insertion in model container [2020-09-24 22:37:40,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:37:40" (1/1) ... [2020-09-24 22:37:40,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:37:41,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:37:41,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:37:41,353 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:37:41,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:37:41,528 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:37:41,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41 WrapperNode [2020-09-24 22:37:41,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:37:41,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:37:41,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:37:41,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:37:41,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (1/1) ... [2020-09-24 22:37:41,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (1/1) ... [2020-09-24 22:37:41,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (1/1) ... [2020-09-24 22:37:41,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (1/1) ... [2020-09-24 22:37:41,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (1/1) ... [2020-09-24 22:37:41,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (1/1) ... [2020-09-24 22:37:41,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (1/1) ... [2020-09-24 22:37:41,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:37:41,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:37:41,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:37:41,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:37:41,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (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 [2020-09-24 22:37:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:37:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:37:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-24 22:37:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:37:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:37:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:37:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-24 22:37:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-24 22:37:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:37:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:37:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:37:41,862 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-24 22:37:42,561 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-09-24 22:37:42,562 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-09-24 22:37:42,586 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:37:42,586 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 22:37:42,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:37:42 BoogieIcfgContainer [2020-09-24 22:37:42,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:37:42,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:37:42,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:37:42,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:37:42,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:37:40" (1/3) ... [2020-09-24 22:37:42,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5237cfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:37:42, skipping insertion in model container [2020-09-24 22:37:42,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:37:41" (2/3) ... [2020-09-24 22:37:42,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5237cfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:37:42, skipping insertion in model container [2020-09-24 22:37:42,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:37:42" (3/3) ... [2020-09-24 22:37:42,604 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2020-09-24 22:37:42,616 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:37:42,627 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:37:42,649 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:37:42,683 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:37:42,683 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:37:42,684 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:37:42,684 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:37:42,684 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:37:42,684 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:37:42,684 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:37:42,684 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:37:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-24 22:37:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 22:37:42,731 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:42,733 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] [2020-09-24 22:37:42,734 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:42,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:42,742 INFO L82 PathProgramCache]: Analyzing trace with hash 663725490, now seen corresponding path program 1 times [2020-09-24 22:37:42,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:42,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273485925] [2020-09-24 22:37:42,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:43,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:43,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:43,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:43,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 22:37:43,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:37:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-09-24 22:37:43,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:37:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-09-24 22:37:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:37:43,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:37:43,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:43,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:43,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:43,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:43,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:37:43,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:43,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:37:43,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273485925] [2020-09-24 22:37:43,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:43,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:37:43,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059678248] [2020-09-24 22:37:43,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:37:43,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:43,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:37:43,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:37:43,548 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 3 states. [2020-09-24 22:37:43,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:43,854 INFO L93 Difference]: Finished difference Result 635 states and 851 transitions. [2020-09-24 22:37:43,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:37:43,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 22:37:43,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:43,877 INFO L225 Difference]: With dead ends: 635 [2020-09-24 22:37:43,877 INFO L226 Difference]: Without dead ends: 334 [2020-09-24 22:37:43,884 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 [2020-09-24 22:37:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-09-24 22:37:43,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 320. [2020-09-24 22:37:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-09-24 22:37:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 380 transitions. [2020-09-24 22:37:43,962 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 380 transitions. Word has length 142 [2020-09-24 22:37:43,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:43,964 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 380 transitions. [2020-09-24 22:37:43,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:37:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 380 transitions. [2020-09-24 22:37:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-24 22:37:43,968 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:43,969 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 22:37:43,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:37:43,969 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:43,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:43,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1249677314, now seen corresponding path program 1 times [2020-09-24 22:37:43,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:43,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783166227] [2020-09-24 22:37:43,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:44,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:44,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:44,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:44,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:44,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-24 22:37:44,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:37:44,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-09-24 22:37:44,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:44,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:37:44,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-24 22:37:44,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 22:37:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:37:44,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:44,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:44,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:44,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:44,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:44,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:37:44,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:44,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:44,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:44,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:37:44,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783166227] [2020-09-24 22:37:44,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:44,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:37:44,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580782110] [2020-09-24 22:37:44,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:37:44,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:44,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:37:44,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:37:44,564 INFO L87 Difference]: Start difference. First operand 320 states and 380 transitions. Second operand 3 states. [2020-09-24 22:37:44,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:44,825 INFO L93 Difference]: Finished difference Result 578 states and 730 transitions. [2020-09-24 22:37:44,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:37:44,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-09-24 22:37:44,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:44,832 INFO L225 Difference]: With dead ends: 578 [2020-09-24 22:37:44,832 INFO L226 Difference]: Without dead ends: 389 [2020-09-24 22:37:44,837 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 [2020-09-24 22:37:44,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-09-24 22:37:44,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 364. [2020-09-24 22:37:44,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-09-24 22:37:44,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 432 transitions. [2020-09-24 22:37:44,881 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 432 transitions. Word has length 158 [2020-09-24 22:37:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:44,882 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 432 transitions. [2020-09-24 22:37:44,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:37:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 432 transitions. [2020-09-24 22:37:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-24 22:37:44,891 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:44,891 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 22:37:44,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:37:44,892 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:44,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:44,892 INFO L82 PathProgramCache]: Analyzing trace with hash -288801966, now seen corresponding path program 1 times [2020-09-24 22:37:44,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:44,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739395958] [2020-09-24 22:37:44,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:44,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:45,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:45,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:45,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:45,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:45,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 22:37:45,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:37:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-09-24 22:37:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:37:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-24 22:37:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 22:37:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:45,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:45,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:45,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:45,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:45,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:45,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:37:45,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739395958] [2020-09-24 22:37:45,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:45,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 22:37:45,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916184296] [2020-09-24 22:37:45,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 22:37:45,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:45,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 22:37:45,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 22:37:45,753 INFO L87 Difference]: Start difference. First operand 364 states and 432 transitions. Second operand 4 states. [2020-09-24 22:37:46,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:46,260 INFO L93 Difference]: Finished difference Result 912 states and 1139 transitions. [2020-09-24 22:37:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 22:37:46,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2020-09-24 22:37:46,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:46,264 INFO L225 Difference]: With dead ends: 912 [2020-09-24 22:37:46,265 INFO L226 Difference]: Without dead ends: 679 [2020-09-24 22:37:46,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 22:37:46,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-09-24 22:37:46,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 367. [2020-09-24 22:37:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-09-24 22:37:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 435 transitions. [2020-09-24 22:37:46,280 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 435 transitions. Word has length 165 [2020-09-24 22:37:46,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:46,281 INFO L479 AbstractCegarLoop]: Abstraction has 367 states and 435 transitions. [2020-09-24 22:37:46,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 22:37:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 435 transitions. [2020-09-24 22:37:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-24 22:37:46,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:46,285 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-24 22:37:46,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:37:46,285 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:46,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:46,286 INFO L82 PathProgramCache]: Analyzing trace with hash -854962305, now seen corresponding path program 1 times [2020-09-24 22:37:46,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:46,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098677077] [2020-09-24 22:37:46,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:46,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:46,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:46,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:46,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:46,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:46,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:46,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 22:37:46,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:37:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-09-24 22:37:46,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:37:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-09-24 22:37:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:37:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:46,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:46,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:46,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:46,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:37:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 22:37:46,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098677077] [2020-09-24 22:37:46,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:46,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:37:46,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206212337] [2020-09-24 22:37:46,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:37:46,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:46,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:37:46,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:37:46,995 INFO L87 Difference]: Start difference. First operand 367 states and 435 transitions. Second operand 3 states. [2020-09-24 22:37:47,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:47,197 INFO L93 Difference]: Finished difference Result 706 states and 878 transitions. [2020-09-24 22:37:47,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:37:47,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-09-24 22:37:47,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:47,201 INFO L225 Difference]: With dead ends: 706 [2020-09-24 22:37:47,201 INFO L226 Difference]: Without dead ends: 470 [2020-09-24 22:37:47,202 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 [2020-09-24 22:37:47,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-24 22:37:47,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 387. [2020-09-24 22:37:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-09-24 22:37:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 465 transitions. [2020-09-24 22:37:47,214 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 465 transitions. Word has length 178 [2020-09-24 22:37:47,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:47,215 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 465 transitions. [2020-09-24 22:37:47,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:37:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 465 transitions. [2020-09-24 22:37:47,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-24 22:37:47,218 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:47,218 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:37:47,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:37:47,219 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:47,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:47,219 INFO L82 PathProgramCache]: Analyzing trace with hash -216983375, now seen corresponding path program 1 times [2020-09-24 22:37:47,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:47,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403113706] [2020-09-24 22:37:47,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:47,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:47,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:47,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:47,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:47,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:47,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:48,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:48,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 22:37:48,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 22:37:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1707 [2020-09-24 22:37:48,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:37:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-09-24 22:37:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 22:37:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:48,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:48,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:48,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:48,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:48,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:37:49,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:49,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 22:37:49,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403113706] [2020-09-24 22:37:49,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:49,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 22:37:49,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319319505] [2020-09-24 22:37:49,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 22:37:49,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:49,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 22:37:49,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 22:37:49,029 INFO L87 Difference]: Start difference. First operand 387 states and 465 transitions. Second operand 4 states. [2020-09-24 22:37:49,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:49,446 INFO L93 Difference]: Finished difference Result 928 states and 1160 transitions. [2020-09-24 22:37:49,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 22:37:49,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 185 [2020-09-24 22:37:49,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:49,451 INFO L225 Difference]: With dead ends: 928 [2020-09-24 22:37:49,451 INFO L226 Difference]: Without dead ends: 672 [2020-09-24 22:37:49,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 22:37:49,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-09-24 22:37:49,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 390. [2020-09-24 22:37:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-09-24 22:37:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 463 transitions. [2020-09-24 22:37:49,465 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 463 transitions. Word has length 185 [2020-09-24 22:37:49,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:49,466 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 463 transitions. [2020-09-24 22:37:49,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 22:37:49,466 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 463 transitions. [2020-09-24 22:37:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-09-24 22:37:49,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:49,469 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:37:49,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 22:37:49,469 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:49,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:49,470 INFO L82 PathProgramCache]: Analyzing trace with hash 348829834, now seen corresponding path program 1 times [2020-09-24 22:37:49,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:49,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613621282] [2020-09-24 22:37:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:49,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:49,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:49,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:49,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:50,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:50,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-24 22:37:50,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:37:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 525 [2020-09-24 22:37:50,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:37:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-24 22:37:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 22:37:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:50,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:50,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:50,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:50,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:50,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:37:50,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:50,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:37:50,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613621282] [2020-09-24 22:37:50,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:50,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:37:50,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32485717] [2020-09-24 22:37:50,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:37:50,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:50,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:37:50,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:37:50,091 INFO L87 Difference]: Start difference. First operand 390 states and 463 transitions. Second operand 3 states. [2020-09-24 22:37:50,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:50,341 INFO L93 Difference]: Finished difference Result 765 states and 950 transitions. [2020-09-24 22:37:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:37:50,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-09-24 22:37:50,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:50,346 INFO L225 Difference]: With dead ends: 765 [2020-09-24 22:37:50,346 INFO L226 Difference]: Without dead ends: 480 [2020-09-24 22:37:50,348 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 [2020-09-24 22:37:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-24 22:37:50,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 451. [2020-09-24 22:37:50,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-09-24 22:37:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 562 transitions. [2020-09-24 22:37:50,382 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 562 transitions. Word has length 196 [2020-09-24 22:37:50,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:50,383 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 562 transitions. [2020-09-24 22:37:50,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:37:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 562 transitions. [2020-09-24 22:37:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 22:37:50,388 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:50,388 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2020-09-24 22:37:50,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 22:37:50,389 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:50,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:50,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1486280175, now seen corresponding path program 1 times [2020-09-24 22:37:50,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:50,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072148323] [2020-09-24 22:37:50,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:50,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:50,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:50,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:50,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:51,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:51,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-09-24 22:37:51,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:37:51,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 814 [2020-09-24 22:37:51,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:37:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-09-24 22:37:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 22:37:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:51,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:51,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:51,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:51,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:37:51,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:51,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:51,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:37:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-24 22:37:51,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072148323] [2020-09-24 22:37:51,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:51,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:37:51,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305714818] [2020-09-24 22:37:51,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:37:51,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:51,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:37:51,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:37:51,359 INFO L87 Difference]: Start difference. First operand 451 states and 562 transitions. Second operand 3 states. [2020-09-24 22:37:51,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:51,433 INFO L93 Difference]: Finished difference Result 1083 states and 1402 transitions. [2020-09-24 22:37:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:37:51,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-09-24 22:37:51,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:51,442 INFO L225 Difference]: With dead ends: 1083 [2020-09-24 22:37:51,442 INFO L226 Difference]: Without dead ends: 763 [2020-09-24 22:37:51,444 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 [2020-09-24 22:37:51,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-09-24 22:37:51,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 761. [2020-09-24 22:37:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2020-09-24 22:37:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 972 transitions. [2020-09-24 22:37:51,481 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 972 transitions. Word has length 200 [2020-09-24 22:37:51,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:51,482 INFO L479 AbstractCegarLoop]: Abstraction has 761 states and 972 transitions. [2020-09-24 22:37:51,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:37:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 972 transitions. [2020-09-24 22:37:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 22:37:51,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:51,489 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2020-09-24 22:37:51,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 22:37:51,489 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:51,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:51,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1524892460, now seen corresponding path program 1 times [2020-09-24 22:37:51,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:51,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020285281] [2020-09-24 22:37:51,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:51,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:51,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:52,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:52,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-09-24 22:37:52,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:37:52,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-09-24 22:37:52,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:37:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-09-24 22:37:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-24 22:37:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:52,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:52,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:52,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:52,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:52,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:37:52,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:52,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:52,149 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 22:37:52,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020285281] [2020-09-24 22:37:52,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:52,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:37:52,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951117820] [2020-09-24 22:37:52,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:37:52,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:52,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:37:52,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:37:52,151 INFO L87 Difference]: Start difference. First operand 761 states and 972 transitions. Second operand 3 states. [2020-09-24 22:37:52,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:52,201 INFO L93 Difference]: Finished difference Result 1365 states and 1773 transitions. [2020-09-24 22:37:52,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:37:52,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-09-24 22:37:52,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:52,206 INFO L225 Difference]: With dead ends: 1365 [2020-09-24 22:37:52,206 INFO L226 Difference]: Without dead ends: 735 [2020-09-24 22:37:52,208 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 [2020-09-24 22:37:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-09-24 22:37:52,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 733. [2020-09-24 22:37:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-09-24 22:37:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 937 transitions. [2020-09-24 22:37:52,231 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 937 transitions. Word has length 200 [2020-09-24 22:37:52,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:52,232 INFO L479 AbstractCegarLoop]: Abstraction has 733 states and 937 transitions. [2020-09-24 22:37:52,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:37:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 937 transitions. [2020-09-24 22:37:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 22:37:52,235 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:52,235 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2020-09-24 22:37:52,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 22:37:52,236 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:52,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:52,236 INFO L82 PathProgramCache]: Analyzing trace with hash -782218630, now seen corresponding path program 1 times [2020-09-24 22:37:52,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:52,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431244445] [2020-09-24 22:37:52,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:52,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:52,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 22:37:52,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:37:52,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-24 22:37:52,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:52,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:37:52,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-09-24 22:37:52,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:37:52,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:37:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:37:52,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:37:52,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:37:52,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:37:52,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:37:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:37:52,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:37:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:37:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:37:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:37:52,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:37:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-24 22:37:52,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431244445] [2020-09-24 22:37:52,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:37:52,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:37:52,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626450734] [2020-09-24 22:37:52,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:37:52,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:37:52,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:37:52,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:37:52,652 INFO L87 Difference]: Start difference. First operand 733 states and 937 transitions. Second operand 3 states. [2020-09-24 22:37:52,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:37:52,856 INFO L93 Difference]: Finished difference Result 1448 states and 1859 transitions. [2020-09-24 22:37:52,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:37:52,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-09-24 22:37:52,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:37:52,861 INFO L225 Difference]: With dead ends: 1448 [2020-09-24 22:37:52,862 INFO L226 Difference]: Without dead ends: 843 [2020-09-24 22:37:52,863 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 [2020-09-24 22:37:52,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2020-09-24 22:37:52,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 730. [2020-09-24 22:37:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2020-09-24 22:37:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 928 transitions. [2020-09-24 22:37:52,882 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 928 transitions. Word has length 201 [2020-09-24 22:37:52,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:37:52,883 INFO L479 AbstractCegarLoop]: Abstraction has 730 states and 928 transitions. [2020-09-24 22:37:52,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:37:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 928 transitions. [2020-09-24 22:37:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 22:37:52,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:37:52,886 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] [2020-09-24 22:37:52,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 22:37:52,887 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:37:52,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:37:52,887 INFO L82 PathProgramCache]: Analyzing trace with hash 192610461, now seen corresponding path program 1 times [2020-09-24 22:37:52,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:37:52,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117844055] [2020-09-24 22:37:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:37:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 22:37:52,916 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 22:37:52,916 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 22:37:52,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 22:37:52,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:37:52 BoogieIcfgContainer [2020-09-24 22:37:52,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:37:52,971 INFO L168 Benchmark]: Toolchain (without parser) took 12017.81 ms. Allocated memory was 148.4 MB in the beginning and 380.1 MB in the end (delta: 231.7 MB). Free memory was 104.7 MB in the beginning and 287.8 MB in the end (delta: -183.1 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:52,972 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:37:52,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.47 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 104.1 MB in the beginning and 181.5 MB in the end (delta: -77.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:52,976 INFO L168 Benchmark]: Boogie Preprocessor took 79.97 ms. Allocated memory is still 205.5 MB. Free memory was 181.5 MB in the beginning and 178.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:52,977 INFO L168 Benchmark]: RCFGBuilder took 984.20 ms. Allocated memory is still 205.5 MB. Free memory was 178.5 MB in the beginning and 118.3 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:52,981 INFO L168 Benchmark]: TraceAbstraction took 10371.57 ms. Allocated memory was 205.5 MB in the beginning and 380.1 MB in the end (delta: 174.6 MB). Free memory was 117.6 MB in the beginning and 287.8 MB in the end (delta: -170.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-09-24 22:37:52,990 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 148.4 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 572.47 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 104.1 MB in the beginning and 181.5 MB in the end (delta: -77.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.97 ms. Allocated memory is still 205.5 MB. Free memory was 181.5 MB in the beginning and 178.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 984.20 ms. Allocated memory is still 205.5 MB. Free memory was 178.5 MB in the beginning and 118.3 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10371.57 ms. Allocated memory was 205.5 MB in the beginning and 380.1 MB in the end (delta: 174.6 MB). Free memory was 117.6 MB in the beginning and 287.8 MB in the end (delta: -170.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 614]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 301. Possible FailurePath: [L623] int __retres1 ; [L627] CALL ssl3_connect() [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] unsigned int s__version = __VERIFIER_nondet_uint(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__bbio = __VERIFIER_nondet_int(); [L18] int s__wbio = __VERIFIER_nondet_int(); [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L25] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L26] unsigned int s__ctx__stats__sess_connect ; [L27] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L29] int s__s3__change_cipher_spec ; [L30] int s__s3__flags ; [L31] int s__s3__delay_buf_pop_ret ; [L32] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__next_state___0 ; [L38] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L39] int s__session__cipher ; [L40] int s__session__compress_meth ; [L41] int buf ; [L42] unsigned long tmp ; [L43] unsigned long l ; [L44] int num1 ; [L45] int cb ; [L46] int ret ; [L47] int new_state ; [L48] int state ; [L49] int skip ; [L50] int tmp___0 ; [L51] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L52] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L53] int tmp___3 = __VERIFIER_nondet_int(); [L54] int tmp___4 = __VERIFIER_nondet_int(); [L55] int tmp___5 = __VERIFIER_nondet_int(); [L56] int tmp___6 = __VERIFIER_nondet_int(); [L57] int tmp___7 = __VERIFIER_nondet_int(); [L58] int tmp___8 = __VERIFIER_nondet_int(); [L59] int tmp___9 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int ag_X ; [L62] int ag_Y ; [L63] int ag_Z ; [L64] int __retres60 ; [L67] s__state = 12292 [L68] blastFlag = 0 [L69] tmp = __VERIFIER_nondet_int() [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] tmp___0 = 0 [L74] COND TRUE s__info_callback != 0 [L75] cb = s__info_callback [L83] s__in_handshake = s__in_handshake + 1 [L84] COND FALSE !(tmp___1 + 12288) [L93] COND TRUE \read(s__hit) [L94] ag_Y = 208 [L99] COND TRUE 1 [L101] state = s__state [L102] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L212] s__server = 0 [L213] COND TRUE cb != 0 [L218] COND FALSE !(s__version + 65280 != 768) [L224] s__type = 4096 [L225] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) [L243] COND FALSE !(! tmp___4) [L249] COND FALSE !(! tmp___5) [L255] s__state = 4368 [L256] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L257] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND TRUE s__state == 4368 [L261] s__shutdown = 0 [L262] ret = __VERIFIER_nondet_int() [L263] COND TRUE blastFlag == 0 [L264] blastFlag = 1 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] ag_X = s__state - 32 [L275] s__init_num = 0 [L276] COND FALSE !((unsigned long )s__bbio != (unsigned long )s__wbio) [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND TRUE s__state == 4384 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 1 [L286] blastFlag = 2 [L294] COND FALSE !(ret <= 0) [L299] s__state = ag_X [L300] COND TRUE \read(s__hit) [L301] s__state = s__state | ag_Y [L305] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND FALSE !(s__state == 4400) [L132] COND FALSE !(s__state == 4401) [L135] COND FALSE !(s__state == 4416) [L138] COND FALSE !(s__state == 4417) [L141] COND TRUE s__state == 4432 [L351] ret = __VERIFIER_nondet_int() [L352] COND TRUE blastFlag <= 5 [L614] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 350 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.2s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3840 SDtfs, 1666 SDslu, 3328 SDs, 0 SdLazy, 1150 SolverSat, 246 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=761occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 862 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 1828 NumberOfCodeBlocks, 1828 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1616 ConstructedInterpolants, 0 QuantifiedInterpolants, 398982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 202/202 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...