/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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 [2020-09-25 14:28:38,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:28:38,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:28:38,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:28:38,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:28:38,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:28:38,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:28:38,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:28:38,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:28:38,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:28:38,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:28:38,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:28:38,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:28:38,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:28:38,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:28:38,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:28:38,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:28:38,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:28:38,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:28:38,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:28:38,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:28:38,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:28:38,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:28:38,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:28:38,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:28:38,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:28:38,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:28:38,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:28:38,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:28:38,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:28:38,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:28:38,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:28:38,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:28:38,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:28:38,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:28:38,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:28:38,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:28:38,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:28:38,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:28:38,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:28:38,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:28:38,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:28:38,268 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:28:38,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:28:38,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:28:38,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:28:38,271 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:28:38,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:28:38,271 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:28:38,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:28:38,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:28:38,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:28:38,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:28:38,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:28:38,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:28:38,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:28:38,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:28:38,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:28:38,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:28:38,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:28:38,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:28:38,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:28:38,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:28:38,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:28:38,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:28:38,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:28:38,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:28:38,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:28:38,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:28:38,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:28:38,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:28:38,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:28:38,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:28:38,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:28:38,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:28:38,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:28:38,994 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:28:38,995 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-09-25 14:28:39,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d42b4b841/ab4453de14a84222b4361637e24b05b6/FLAGccd93a8b3 [2020-09-25 14:28:39,692 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:28:39,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-09-25 14:28:39,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d42b4b841/ab4453de14a84222b4361637e24b05b6/FLAGccd93a8b3 [2020-09-25 14:28:39,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d42b4b841/ab4453de14a84222b4361637e24b05b6 [2020-09-25 14:28:40,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:28:40,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:28:40,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:28:40,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:28:40,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:28:40,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ab055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40, skipping insertion in model container [2020-09-25 14:28:40,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:28:40,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:28:40,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:28:40,438 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:28:40,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:28:40,613 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:28:40,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40 WrapperNode [2020-09-25 14:28:40,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:28:40,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:28:40,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:28:40,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:28:40,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (1/1) ... [2020-09-25 14:28:40,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:28:40,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:28:40,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:28:40,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:28:40,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:28:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:28:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:28:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 14:28:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:28:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:28:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:28:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 14:28:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 14:28:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:28:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:28:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:28:40,934 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 14:28:41,581 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-09-25 14:28:41,582 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-09-25 14:28:41,622 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:28:41,622 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 14:28:41,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:28:41 BoogieIcfgContainer [2020-09-25 14:28:41,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:28:41,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:28:41,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:28:41,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:28:41,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:28:40" (1/3) ... [2020-09-25 14:28:41,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146e669b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:28:41, skipping insertion in model container [2020-09-25 14:28:41,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:40" (2/3) ... [2020-09-25 14:28:41,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146e669b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:28:41, skipping insertion in model container [2020-09-25 14:28:41,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:28:41" (3/3) ... [2020-09-25 14:28:41,641 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2020-09-25 14:28:41,653 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:28:41,663 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:28:41,685 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:28:41,719 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:28:41,719 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:28:41,719 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:28:41,719 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:28:41,719 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:28:41,719 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:28:41,720 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:28:41,720 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:28:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 14:28:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 14:28:41,766 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:41,767 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] [2020-09-25 14:28:41,768 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:41,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:41,775 INFO L82 PathProgramCache]: Analyzing trace with hash 663725490, now seen corresponding path program 1 times [2020-09-25 14:28:41,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:41,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85959406] [2020-09-25 14:28:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:42,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:42,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:42,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-25 14:28:42,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:28:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-09-25 14:28:42,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:42,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:28:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-09-25 14:28:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 14:28:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:28:42,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:42,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:42,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:42,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:42,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:28:42,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:42,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:42,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:28:42,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85959406] [2020-09-25 14:28:42,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:42,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:28:42,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891209165] [2020-09-25 14:28:42,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:28:42,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:42,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:28:42,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:42,753 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 3 states. [2020-09-25 14:28:43,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:43,122 INFO L93 Difference]: Finished difference Result 635 states and 851 transitions. [2020-09-25 14:28:43,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:28:43,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 14:28:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:43,163 INFO L225 Difference]: With dead ends: 635 [2020-09-25 14:28:43,163 INFO L226 Difference]: Without dead ends: 334 [2020-09-25 14:28:43,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:43,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-09-25 14:28:43,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 320. [2020-09-25 14:28:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-09-25 14:28:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 380 transitions. [2020-09-25 14:28:43,258 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 380 transitions. Word has length 142 [2020-09-25 14:28:43,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:43,259 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 380 transitions. [2020-09-25 14:28:43,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:28:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 380 transitions. [2020-09-25 14:28:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-25 14:28:43,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:43,263 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] [2020-09-25 14:28:43,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:28:43,264 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:43,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:43,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1249677314, now seen corresponding path program 1 times [2020-09-25 14:28:43,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:43,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531959537] [2020-09-25 14:28:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:43,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:43,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:43,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:43,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:43,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:43,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-25 14:28:43,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:28:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-09-25 14:28:43,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:43,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:28:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-25 14:28:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:28:43,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:43,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:43,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:43,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:43,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:43,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:28:43,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:43,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:43,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:28:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:28:43,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531959537] [2020-09-25 14:28:43,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:43,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:28:43,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060421134] [2020-09-25 14:28:43,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:28:43,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:43,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:28:43,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:43,829 INFO L87 Difference]: Start difference. First operand 320 states and 380 transitions. Second operand 3 states. [2020-09-25 14:28:44,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:44,100 INFO L93 Difference]: Finished difference Result 578 states and 730 transitions. [2020-09-25 14:28:44,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:28:44,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-09-25 14:28:44,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:44,109 INFO L225 Difference]: With dead ends: 578 [2020-09-25 14:28:44,109 INFO L226 Difference]: Without dead ends: 389 [2020-09-25 14:28:44,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:44,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-09-25 14:28:44,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 364. [2020-09-25 14:28:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-09-25 14:28:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 432 transitions. [2020-09-25 14:28:44,161 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 432 transitions. Word has length 158 [2020-09-25 14:28:44,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:44,162 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 432 transitions. [2020-09-25 14:28:44,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:28:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 432 transitions. [2020-09-25 14:28:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 14:28:44,173 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:44,173 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] [2020-09-25 14:28:44,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:28:44,176 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:44,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:44,177 INFO L82 PathProgramCache]: Analyzing trace with hash -288801966, now seen corresponding path program 1 times [2020-09-25 14:28:44,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:44,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050171456] [2020-09-25 14:28:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:44,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:44,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:44,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:44,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:44,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:44,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 14:28:44,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:28:44,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 721 [2020-09-25 14:28:44,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:44,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:28:44,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-09-25 14:28:44,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 14:28:44,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:44,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:44,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:44,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:44,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:44,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:28:44,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:44,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:44,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:44,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:44,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:44,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:28:44,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050171456] [2020-09-25 14:28:44,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:44,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:28:44,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625093889] [2020-09-25 14:28:44,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:28:44,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:44,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:28:45,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:45,000 INFO L87 Difference]: Start difference. First operand 364 states and 432 transitions. Second operand 3 states. [2020-09-25 14:28:45,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:45,223 INFO L93 Difference]: Finished difference Result 657 states and 824 transitions. [2020-09-25 14:28:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:28:45,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-09-25 14:28:45,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:45,227 INFO L225 Difference]: With dead ends: 657 [2020-09-25 14:28:45,227 INFO L226 Difference]: Without dead ends: 421 [2020-09-25 14:28:45,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:45,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-09-25 14:28:45,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 377. [2020-09-25 14:28:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-09-25 14:28:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 450 transitions. [2020-09-25 14:28:45,245 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 450 transitions. Word has length 165 [2020-09-25 14:28:45,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:45,245 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 450 transitions. [2020-09-25 14:28:45,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:28:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 450 transitions. [2020-09-25 14:28:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 14:28:45,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:45,248 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:28:45,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:28:45,249 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:45,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:45,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1724791051, now seen corresponding path program 1 times [2020-09-25 14:28:45,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:45,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664625309] [2020-09-25 14:28:45,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:45,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:45,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:45,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:45,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-09-25 14:28:45,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:28:45,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-09-25 14:28:45,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:45,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:45,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:28:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-09-25 14:28:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 14:28:45,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:45,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:45,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:45,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:45,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:45,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:28:45,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:45,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:45,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:28:45,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664625309] [2020-09-25 14:28:45,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:45,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:28:45,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551099238] [2020-09-25 14:28:45,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:28:45,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:45,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:28:45,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:28:45,790 INFO L87 Difference]: Start difference. First operand 377 states and 450 transitions. Second operand 4 states. [2020-09-25 14:28:46,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:46,112 INFO L93 Difference]: Finished difference Result 938 states and 1171 transitions. [2020-09-25 14:28:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:28:46,112 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-09-25 14:28:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:46,116 INFO L225 Difference]: With dead ends: 938 [2020-09-25 14:28:46,116 INFO L226 Difference]: Without dead ends: 689 [2020-09-25 14:28:46,117 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 [2020-09-25 14:28:46,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2020-09-25 14:28:46,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 398. [2020-09-25 14:28:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-09-25 14:28:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 476 transitions. [2020-09-25 14:28:46,135 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 476 transitions. Word has length 167 [2020-09-25 14:28:46,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:46,136 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 476 transitions. [2020-09-25 14:28:46,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:28:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 476 transitions. [2020-09-25 14:28:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-25 14:28:46,141 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:46,141 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:28:46,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:28:46,142 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:46,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:46,143 INFO L82 PathProgramCache]: Analyzing trace with hash -2007825220, now seen corresponding path program 1 times [2020-09-25 14:28:46,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:46,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311753548] [2020-09-25 14:28:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:46,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:46,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:46,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:46,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:46,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-25 14:28:46,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:28:46,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-09-25 14:28:46,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:46,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:28:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-09-25 14:28:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 14:28:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:46,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:46,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:46,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:46,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:28:46,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:46,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 14:28:46,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311753548] [2020-09-25 14:28:46,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:46,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:28:46,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446030406] [2020-09-25 14:28:46,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:28:46,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:46,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:28:46,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:46,568 INFO L87 Difference]: Start difference. First operand 398 states and 476 transitions. Second operand 3 states. [2020-09-25 14:28:46,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:46,612 INFO L93 Difference]: Finished difference Result 713 states and 872 transitions. [2020-09-25 14:28:46,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:28:46,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-09-25 14:28:46,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:46,616 INFO L225 Difference]: With dead ends: 713 [2020-09-25 14:28:46,616 INFO L226 Difference]: Without dead ends: 443 [2020-09-25 14:28:46,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:46,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-09-25 14:28:46,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2020-09-25 14:28:46,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-25 14:28:46,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 528 transitions. [2020-09-25 14:28:46,632 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 528 transitions. Word has length 180 [2020-09-25 14:28:46,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:46,633 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 528 transitions. [2020-09-25 14:28:46,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:28:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 528 transitions. [2020-09-25 14:28:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 14:28:46,635 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:46,636 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:28:46,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:28:46,636 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:46,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1957933229, now seen corresponding path program 1 times [2020-09-25 14:28:46,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:46,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178416428] [2020-09-25 14:28:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:46,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:46,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:46,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:46,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-25 14:28:46,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:28:46,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-25 14:28:46,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:46,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:28:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 14:28:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 14:28:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:46,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:46,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:46,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:46,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:28:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:46,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:46,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 14:28:46,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178416428] [2020-09-25 14:28:46,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:46,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:28:46,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250696843] [2020-09-25 14:28:46,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:28:46,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:46,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:28:46,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:46,971 INFO L87 Difference]: Start difference. First operand 443 states and 528 transitions. Second operand 3 states. [2020-09-25 14:28:47,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:47,122 INFO L93 Difference]: Finished difference Result 744 states and 915 transitions. [2020-09-25 14:28:47,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:28:47,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-09-25 14:28:47,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:47,126 INFO L225 Difference]: With dead ends: 744 [2020-09-25 14:28:47,126 INFO L226 Difference]: Without dead ends: 474 [2020-09-25 14:28:47,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:47,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-25 14:28:47,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 463. [2020-09-25 14:28:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-09-25 14:28:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 553 transitions. [2020-09-25 14:28:47,141 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 553 transitions. Word has length 181 [2020-09-25 14:28:47,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:47,141 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 553 transitions. [2020-09-25 14:28:47,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:28:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 553 transitions. [2020-09-25 14:28:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-25 14:28:47,144 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:47,144 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:28:47,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:28:47,145 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:47,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:47,145 INFO L82 PathProgramCache]: Analyzing trace with hash 129935299, now seen corresponding path program 1 times [2020-09-25 14:28:47,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:47,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757343] [2020-09-25 14:28:47,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:47,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:47,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:47,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:47,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 14:28:47,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:28:47,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 792 [2020-09-25 14:28:47,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:47,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:28:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 14:28:47,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:28:47,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:48,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:48,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:48,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:48,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:48,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:48,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:28:48,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:48,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:28:48,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757343] [2020-09-25 14:28:48,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:48,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:28:48,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531026433] [2020-09-25 14:28:48,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:28:48,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:48,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:28:48,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:48,069 INFO L87 Difference]: Start difference. First operand 463 states and 553 transitions. Second operand 3 states. [2020-09-25 14:28:48,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:48,100 INFO L93 Difference]: Finished difference Result 1011 states and 1237 transitions. [2020-09-25 14:28:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:28:48,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-09-25 14:28:48,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:48,107 INFO L225 Difference]: With dead ends: 1011 [2020-09-25 14:28:48,108 INFO L226 Difference]: Without dead ends: 721 [2020-09-25 14:28:48,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-09-25 14:28:48,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 719. [2020-09-25 14:28:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2020-09-25 14:28:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 863 transitions. [2020-09-25 14:28:48,144 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 863 transitions. Word has length 188 [2020-09-25 14:28:48,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:48,144 INFO L479 AbstractCegarLoop]: Abstraction has 719 states and 863 transitions. [2020-09-25 14:28:48,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:28:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 863 transitions. [2020-09-25 14:28:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-25 14:28:48,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:48,148 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:28:48,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 14:28:48,149 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:48,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1932501654, now seen corresponding path program 1 times [2020-09-25 14:28:48,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:48,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842514378] [2020-09-25 14:28:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:48,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:48,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:48,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:48,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:48,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 14:28:48,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:28:48,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 663 [2020-09-25 14:28:48,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:48,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:28:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-09-25 14:28:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 14:28:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:28:48,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:48,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:48,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:48,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:48,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:28:48,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:48,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:48,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 14:28:48,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842514378] [2020-09-25 14:28:48,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:48,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:28:48,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793204866] [2020-09-25 14:28:48,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:28:48,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:48,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:28:48,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:48,991 INFO L87 Difference]: Start difference. First operand 719 states and 863 transitions. Second operand 3 states. [2020-09-25 14:28:49,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:49,021 INFO L93 Difference]: Finished difference Result 1274 states and 1552 transitions. [2020-09-25 14:28:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:28:49,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-09-25 14:28:49,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:49,027 INFO L225 Difference]: With dead ends: 1274 [2020-09-25 14:28:49,027 INFO L226 Difference]: Without dead ends: 728 [2020-09-25 14:28:49,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:49,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-09-25 14:28:49,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 723. [2020-09-25 14:28:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-09-25 14:28:49,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 863 transitions. [2020-09-25 14:28:49,058 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 863 transitions. Word has length 189 [2020-09-25 14:28:49,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:49,059 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 863 transitions. [2020-09-25 14:28:49,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:28:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 863 transitions. [2020-09-25 14:28:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 14:28:49,062 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:49,063 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:28:49,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 14:28:49,063 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:49,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1261577978, now seen corresponding path program 1 times [2020-09-25 14:28:49,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:49,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380098879] [2020-09-25 14:28:49,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:49,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:49,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:50,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:50,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 14:28:50,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:28:50,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1318 [2020-09-25 14:28:50,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:50,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:28:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-09-25 14:28:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 14:28:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:28:50,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:50,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:50,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:50,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:50,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:50,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:28:50,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:50,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:50,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:50,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:50,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:50,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:28:50,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380098879] [2020-09-25 14:28:50,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:50,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:28:50,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106616381] [2020-09-25 14:28:50,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:28:50,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:50,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:28:50,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:50,551 INFO L87 Difference]: Start difference. First operand 723 states and 863 transitions. Second operand 3 states. [2020-09-25 14:28:50,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:50,605 INFO L93 Difference]: Finished difference Result 1902 states and 2308 transitions. [2020-09-25 14:28:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:28:50,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-09-25 14:28:50,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:50,613 INFO L225 Difference]: With dead ends: 1902 [2020-09-25 14:28:50,614 INFO L226 Difference]: Without dead ends: 1312 [2020-09-25 14:28:50,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:28:50,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-09-25 14:28:50,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1310. [2020-09-25 14:28:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-09-25 14:28:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1574 transitions. [2020-09-25 14:28:50,676 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1574 transitions. Word has length 191 [2020-09-25 14:28:50,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:50,676 INFO L479 AbstractCegarLoop]: Abstraction has 1310 states and 1574 transitions. [2020-09-25 14:28:50,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:28:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1574 transitions. [2020-09-25 14:28:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 14:28:50,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:50,680 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:28:50,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 14:28:50,681 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:50,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:50,681 INFO L82 PathProgramCache]: Analyzing trace with hash 2059637971, now seen corresponding path program 1 times [2020-09-25 14:28:50,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:50,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300141725] [2020-09-25 14:28:50,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:50,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:50,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:50,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:50,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:51,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:51,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:51,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:52,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:53,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:53,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 14:28:53,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 14:28:53,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2413 [2020-09-25 14:28:53,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:53,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:28:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-09-25 14:28:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 14:28:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:53,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:53,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:53,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:53,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:53,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:28:53,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:53,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:53,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:28:53,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300141725] [2020-09-25 14:28:53,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:28:53,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-25 14:28:53,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775419897] [2020-09-25 14:28:53,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:28:53,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:53,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:28:53,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:28:53,214 INFO L87 Difference]: Start difference. First operand 1310 states and 1574 transitions. Second operand 5 states. [2020-09-25 14:28:53,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:53,491 INFO L93 Difference]: Finished difference Result 2494 states and 3017 transitions. [2020-09-25 14:28:53,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 14:28:53,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2020-09-25 14:28:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:53,499 INFO L225 Difference]: With dead ends: 2494 [2020-09-25 14:28:53,499 INFO L226 Difference]: Without dead ends: 1417 [2020-09-25 14:28:53,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:28:53,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2020-09-25 14:28:53,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1335. [2020-09-25 14:28:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2020-09-25 14:28:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1603 transitions. [2020-09-25 14:28:53,548 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1603 transitions. Word has length 192 [2020-09-25 14:28:53,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:53,549 INFO L479 AbstractCegarLoop]: Abstraction has 1335 states and 1603 transitions. [2020-09-25 14:28:53,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:28:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1603 transitions. [2020-09-25 14:28:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-25 14:28:53,552 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:53,552 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-09-25 14:28:53,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 14:28:53,553 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:53,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:53,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1020047875, now seen corresponding path program 1 times [2020-09-25 14:28:53,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:53,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910856783] [2020-09-25 14:28:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:53,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:54,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:54,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-25 14:28:54,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:28:54,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-09-25 14:28:54,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:54,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:28:54,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-25 14:28:54,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 14:28:54,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:28:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:28:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:28:54,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:28:54,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:28:54,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:28:54,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:28:54,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:28:54,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:28:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:28:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:28:54,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:28:54,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:28:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 14:28:54,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910856783] [2020-09-25 14:28:54,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:28:54,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:28:54,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158558564] [2020-09-25 14:28:54,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:28:54,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:28:54,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:28:54,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:28:54,166 INFO L87 Difference]: Start difference. First operand 1335 states and 1603 transitions. Second operand 4 states. [2020-09-25 14:28:54,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:28:54,577 INFO L93 Difference]: Finished difference Result 3586 states and 4382 transitions. [2020-09-25 14:28:54,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:28:54,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2020-09-25 14:28:54,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:28:54,590 INFO L225 Difference]: With dead ends: 3586 [2020-09-25 14:28:54,590 INFO L226 Difference]: Without dead ends: 2502 [2020-09-25 14:28:54,593 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 [2020-09-25 14:28:54,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2020-09-25 14:28:54,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 1338. [2020-09-25 14:28:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2020-09-25 14:28:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1606 transitions. [2020-09-25 14:28:54,663 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1606 transitions. Word has length 195 [2020-09-25 14:28:54,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:28:54,663 INFO L479 AbstractCegarLoop]: Abstraction has 1338 states and 1606 transitions. [2020-09-25 14:28:54,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:28:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1606 transitions. [2020-09-25 14:28:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 14:28:54,667 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:28:54,667 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] [2020-09-25 14:28:54,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 14:28:54,668 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:28:54,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:28:54,668 INFO L82 PathProgramCache]: Analyzing trace with hash 192610461, now seen corresponding path program 1 times [2020-09-25 14:28:54,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:28:54,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452299561] [2020-09-25 14:28:54,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:28:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 14:28:54,698 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 14:28:54,698 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 14:28:54,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-25 14:28:54,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:28:54 BoogieIcfgContainer [2020-09-25 14:28:54,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:28:54,766 INFO L168 Benchmark]: Toolchain (without parser) took 14748.75 ms. Allocated memory was 137.9 MB in the beginning and 455.1 MB in the end (delta: 317.2 MB). Free memory was 101.0 MB in the beginning and 356.0 MB in the end (delta: -255.0 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:54,767 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 14:28:54,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.28 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 100.3 MB in the beginning and 175.6 MB in the end (delta: -75.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:54,769 INFO L168 Benchmark]: Boogie Preprocessor took 66.19 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 173.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:54,769 INFO L168 Benchmark]: RCFGBuilder took 950.64 ms. Allocated memory is still 199.8 MB. Free memory was 173.2 MB in the beginning and 112.4 MB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:54,770 INFO L168 Benchmark]: TraceAbstraction took 13130.14 ms. Allocated memory was 199.8 MB in the beginning and 455.1 MB in the end (delta: 255.3 MB). Free memory was 111.7 MB in the beginning and 356.0 MB in the end (delta: -244.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-09-25 14:28:54,774 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 589.28 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 100.3 MB in the beginning and 175.6 MB in the end (delta: -75.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.19 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 173.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 950.64 ms. Allocated memory is still 199.8 MB. Free memory was 173.2 MB in the beginning and 112.4 MB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13130.14 ms. Allocated memory was 199.8 MB in the beginning and 455.1 MB in the end (delta: 255.3 MB). Free memory was 111.7 MB in the beginning and 356.0 MB in the end (delta: -244.3 MB). Peak memory consumption was 11.0 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: 12.9s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4939 SDtfs, 1833 SDslu, 4520 SDs, 0 SdLazy, 1188 SolverSat, 152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1338occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1640 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 2151 NumberOfCodeBlocks, 2151 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1937 ConstructedInterpolants, 0 QuantifiedInterpolants, 442336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 137/138 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...