/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 SequenceOfStatements --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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_7.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:00:18,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:00:18,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:00:18,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:00:18,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:00:18,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:00:18,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:00:18,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:00:18,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:00:18,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:00:18,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:00:18,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:00:18,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:00:18,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:00:18,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:00:18,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:00:18,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:00:18,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:00:18,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:00:18,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:00:18,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:00:18,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:00:18,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:00:18,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:00:18,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:00:18,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:00:18,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:00:18,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:00:18,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:00:18,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:00:18,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:00:18,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:00:18,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:00:18,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:00:18,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:00:18,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:00:18,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:00:18,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:00:18,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:00:18,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:00:18,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:00:18,187 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 [2020-10-12 21:00:18,210 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:00:18,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:00:18,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:00:18,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:00:18,212 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:00:18,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:00:18,212 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:00:18,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:00:18,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:00:18,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:00:18,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:00:18,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:00:18,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:00:18,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:00:18,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:00:18,214 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:00:18,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:00:18,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:00:18,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:00:18,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:00:18,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:00:18,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:00:18,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:00:18,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:00:18,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:00:18,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:00:18,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:00:18,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:00:18,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:00:18,217 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 -> SequenceOfStatements 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:00:18,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:00:18,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:00:18,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:00:18,553 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:00:18,554 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:00:18,554 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_7.cil.c [2020-10-12 21:00:18,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42dad04fc/fd3513fed91c48d397ca4be87fe66b30/FLAG470c53f8f [2020-10-12 21:00:19,077 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:00:19,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_7.cil.c [2020-10-12 21:00:19,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42dad04fc/fd3513fed91c48d397ca4be87fe66b30/FLAG470c53f8f [2020-10-12 21:00:19,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42dad04fc/fd3513fed91c48d397ca4be87fe66b30 [2020-10-12 21:00:19,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:00:19,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:00:19,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:19,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:00:19,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:00:19,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:19,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33dfb059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19, skipping insertion in model container [2020-10-12 21:00:19,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:19,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:00:19,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:00:19,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:19,788 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:00:19,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:19,965 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:00:19,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19 WrapperNode [2020-10-12 21:00:19,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:19,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:00:19,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:00:19,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:00:19,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:19,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:19,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:19,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:19,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:20,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:20,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (1/1) ... [2020-10-12 21:00:20,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:00:20,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:00:20,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:00:20,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:00:20,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:00:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:00:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:00:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-12 21:00:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:00:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:00:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 21:00:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:00:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 21:00:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-12 21:00:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:00:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:00:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:00:20,300 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 21:00:20,804 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-12 21:00:20,805 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-12 21:00:20,816 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:00:20,817 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 21:00:20,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:20 BoogieIcfgContainer [2020-10-12 21:00:20,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:00:20,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:00:20,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:00:20,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:00:20,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:00:19" (1/3) ... [2020-10-12 21:00:20,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e367b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:20, skipping insertion in model container [2020-10-12 21:00:20,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:19" (2/3) ... [2020-10-12 21:00:20,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e367b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:20, skipping insertion in model container [2020-10-12 21:00:20,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:20" (3/3) ... [2020-10-12 21:00:20,832 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_7.cil.c [2020-10-12 21:00:20,843 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:00:20,852 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:00:20,867 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:00:20,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:00:20,895 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:00:20,895 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:00:20,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:00:20,896 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:00:20,896 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:00:20,896 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:00:20,896 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:00:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-12 21:00:20,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-12 21:00:20,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:20,932 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] [2020-10-12 21:00:20,932 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:20,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1198514108, now seen corresponding path program 1 times [2020-10-12 21:00:20,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:20,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19331407] [2020-10-12 21:00:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:21,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:21,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:00:21,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:21,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-10-12 21:00:21,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:00:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:00:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:00:21,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:21,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:21,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:21,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:21,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:21,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:21,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:21,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:21,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:21,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:21,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19331407] [2020-10-12 21:00:21,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:21,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 21:00:21,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987397671] [2020-10-12 21:00:21,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 21:00:21,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:21,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 21:00:21,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:21,710 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 5 states. [2020-10-12 21:00:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:21,992 INFO L93 Difference]: Finished difference Result 321 states and 544 transitions. [2020-10-12 21:00:21,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:21,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-12 21:00:21,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:22,008 INFO L225 Difference]: With dead ends: 321 [2020-10-12 21:00:22,009 INFO L226 Difference]: Without dead ends: 159 [2020-10-12 21:00:22,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 21:00:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-12 21:00:22,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2020-10-12 21:00:22,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-12 21:00:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 234 transitions. [2020-10-12 21:00:22,073 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 234 transitions. Word has length 38 [2020-10-12 21:00:22,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:22,074 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 234 transitions. [2020-10-12 21:00:22,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 21:00:22,074 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 234 transitions. [2020-10-12 21:00:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-12 21:00:22,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:22,077 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:22,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:00:22,078 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:22,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:22,079 INFO L82 PathProgramCache]: Analyzing trace with hash 412718141, now seen corresponding path program 1 times [2020-10-12 21:00:22,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:22,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647783691] [2020-10-12 21:00:22,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:22,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:22,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-12 21:00:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-12 21:00:22,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:00:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 21:00:22,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:22,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:22,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:22,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:22,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:22,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:22,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:22,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:22,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1647783691] [2020-10-12 21:00:22,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:22,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:22,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091084640] [2020-10-12 21:00:22,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:22,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:22,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:22,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:22,571 INFO L87 Difference]: Start difference. First operand 156 states and 234 transitions. Second operand 3 states. [2020-10-12 21:00:22,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:22,647 INFO L93 Difference]: Finished difference Result 440 states and 667 transitions. [2020-10-12 21:00:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:22,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-10-12 21:00:22,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:22,651 INFO L225 Difference]: With dead ends: 440 [2020-10-12 21:00:22,652 INFO L226 Difference]: Without dead ends: 297 [2020-10-12 21:00:22,654 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 [2020-10-12 21:00:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-12 21:00:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2020-10-12 21:00:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-12 21:00:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 442 transitions. [2020-10-12 21:00:22,679 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 442 transitions. Word has length 54 [2020-10-12 21:00:22,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:22,680 INFO L479 AbstractCegarLoop]: Abstraction has 297 states and 442 transitions. [2020-10-12 21:00:22,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 442 transitions. [2020-10-12 21:00:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-12 21:00:22,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:22,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:22,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:00:22,685 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:22,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:22,686 INFO L82 PathProgramCache]: Analyzing trace with hash 516084045, now seen corresponding path program 1 times [2020-10-12 21:00:22,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:22,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575778733] [2020-10-12 21:00:22,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:22,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:22,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 21:00:22,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:22,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-12 21:00:22,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-12 21:00:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 21:00:22,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:22,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:22,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:22,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:22,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:22,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:22,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:22,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 21:00:22,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575778733] [2020-10-12 21:00:22,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:22,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:22,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261300075] [2020-10-12 21:00:22,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:22,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:22,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:22,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:22,923 INFO L87 Difference]: Start difference. First operand 297 states and 442 transitions. Second operand 3 states. [2020-10-12 21:00:23,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:23,001 INFO L93 Difference]: Finished difference Result 722 states and 1083 transitions. [2020-10-12 21:00:23,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:23,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-10-12 21:00:23,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:23,006 INFO L225 Difference]: With dead ends: 722 [2020-10-12 21:00:23,006 INFO L226 Difference]: Without dead ends: 438 [2020-10-12 21:00:23,008 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 [2020-10-12 21:00:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-12 21:00:23,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2020-10-12 21:00:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-10-12 21:00:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 652 transitions. [2020-10-12 21:00:23,033 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 652 transitions. Word has length 75 [2020-10-12 21:00:23,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:23,038 INFO L479 AbstractCegarLoop]: Abstraction has 438 states and 652 transitions. [2020-10-12 21:00:23,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:23,038 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 652 transitions. [2020-10-12 21:00:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-12 21:00:23,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:23,044 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-12 21:00:23,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:00:23,045 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:23,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:23,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1319359339, now seen corresponding path program 1 times [2020-10-12 21:00:23,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:23,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993762060] [2020-10-12 21:00:23,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:23,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:23,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:23,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:23,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:23,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:23,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-12 21:00:23,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:00:23,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-12 21:00:23,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-12 21:00:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:00:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:23,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:23,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:23,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:23,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:23,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:23,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:23,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:23,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:23,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:00:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 21:00:23,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993762060] [2020-10-12 21:00:23,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:23,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:23,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067560521] [2020-10-12 21:00:23,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:23,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:23,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:23,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:23,515 INFO L87 Difference]: Start difference. First operand 438 states and 652 transitions. Second operand 3 states. [2020-10-12 21:00:23,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:23,753 INFO L93 Difference]: Finished difference Result 1081 states and 1653 transitions. [2020-10-12 21:00:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:23,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-12 21:00:23,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:23,768 INFO L225 Difference]: With dead ends: 1081 [2020-10-12 21:00:23,769 INFO L226 Difference]: Without dead ends: 620 [2020-10-12 21:00:23,772 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 [2020-10-12 21:00:23,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2020-10-12 21:00:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 564. [2020-10-12 21:00:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-10-12 21:00:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 838 transitions. [2020-10-12 21:00:23,803 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 838 transitions. Word has length 98 [2020-10-12 21:00:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:23,804 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 838 transitions. [2020-10-12 21:00:23,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 838 transitions. [2020-10-12 21:00:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 21:00:23,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:23,811 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:23,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:00:23,811 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:23,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:23,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1040223744, now seen corresponding path program 1 times [2020-10-12 21:00:23,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:23,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084419572] [2020-10-12 21:00:23,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:23,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:24,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:24,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 21:00:24,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:24,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-12 21:00:24,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:24,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:24,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 21:00:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 21:00:24,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:24,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:24,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:24,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:24,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:24,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:24,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 21:00:24,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084419572] [2020-10-12 21:00:24,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:24,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:24,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622995960] [2020-10-12 21:00:24,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:24,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:24,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:24,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:24,151 INFO L87 Difference]: Start difference. First operand 564 states and 838 transitions. Second operand 3 states. [2020-10-12 21:00:24,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:24,414 INFO L93 Difference]: Finished difference Result 1247 states and 1905 transitions. [2020-10-12 21:00:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:24,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-10-12 21:00:24,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:24,422 INFO L225 Difference]: With dead ends: 1247 [2020-10-12 21:00:24,423 INFO L226 Difference]: Without dead ends: 696 [2020-10-12 21:00:24,425 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 [2020-10-12 21:00:24,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-12 21:00:24,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 687. [2020-10-12 21:00:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-12 21:00:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 985 transitions. [2020-10-12 21:00:24,456 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 985 transitions. Word has length 115 [2020-10-12 21:00:24,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:24,457 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 985 transitions. [2020-10-12 21:00:24,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 985 transitions. [2020-10-12 21:00:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-12 21:00:24,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:24,463 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2020-10-12 21:00:24,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:00:24,463 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:24,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:24,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1816733705, now seen corresponding path program 1 times [2020-10-12 21:00:24,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:24,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005993574] [2020-10-12 21:00:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:24,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:24,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:24,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:24,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:25,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:25,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 21:00:25,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:00:25,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 542 [2020-10-12 21:00:25,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:00:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:00:25,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:00:25,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:25,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:25,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:25,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:25,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:25,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:25,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-12 21:00:25,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005993574] [2020-10-12 21:00:25,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:25,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:25,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953955876] [2020-10-12 21:00:25,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:25,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:25,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:25,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:25,092 INFO L87 Difference]: Start difference. First operand 687 states and 985 transitions. Second operand 3 states. [2020-10-12 21:00:25,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:25,319 INFO L93 Difference]: Finished difference Result 1493 states and 2199 transitions. [2020-10-12 21:00:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:25,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-10-12 21:00:25,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:25,326 INFO L225 Difference]: With dead ends: 1493 [2020-10-12 21:00:25,327 INFO L226 Difference]: Without dead ends: 819 [2020-10-12 21:00:25,329 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 [2020-10-12 21:00:25,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-10-12 21:00:25,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 804. [2020-10-12 21:00:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2020-10-12 21:00:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1126 transitions. [2020-10-12 21:00:25,355 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1126 transitions. Word has length 119 [2020-10-12 21:00:25,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:25,355 INFO L479 AbstractCegarLoop]: Abstraction has 804 states and 1126 transitions. [2020-10-12 21:00:25,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:25,356 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1126 transitions. [2020-10-12 21:00:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-12 21:00:25,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:25,359 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:25,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:00:25,359 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:25,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:25,359 INFO L82 PathProgramCache]: Analyzing trace with hash 607096895, now seen corresponding path program 1 times [2020-10-12 21:00:25,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:25,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470264439] [2020-10-12 21:00:25,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:25,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:25,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:25,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:25,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:26,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:26,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:27,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 21:00:27,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:00:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1891 [2020-10-12 21:00:27,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-12 21:00:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 21:00:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:27,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:27,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:27,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:27,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:27,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:27,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-12 21:00:27,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470264439] [2020-10-12 21:00:27,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:27,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 21:00:27,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141688895] [2020-10-12 21:00:27,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 21:00:27,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:27,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 21:00:27,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:27,397 INFO L87 Difference]: Start difference. First operand 804 states and 1126 transitions. Second operand 5 states. [2020-10-12 21:00:27,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:27,557 INFO L93 Difference]: Finished difference Result 3878 states and 5410 transitions. [2020-10-12 21:00:27,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:27,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-12 21:00:27,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:27,573 INFO L225 Difference]: With dead ends: 3878 [2020-10-12 21:00:27,573 INFO L226 Difference]: Without dead ends: 3087 [2020-10-12 21:00:27,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 21:00:27,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2020-10-12 21:00:27,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 1575. [2020-10-12 21:00:27,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1575 states. [2020-10-12 21:00:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2195 transitions. [2020-10-12 21:00:27,645 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2195 transitions. Word has length 124 [2020-10-12 21:00:27,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:27,646 INFO L479 AbstractCegarLoop]: Abstraction has 1575 states and 2195 transitions. [2020-10-12 21:00:27,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 21:00:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2195 transitions. [2020-10-12 21:00:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 21:00:27,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:27,650 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:27,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:00:27,651 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:27,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:27,651 INFO L82 PathProgramCache]: Analyzing trace with hash -89246318, now seen corresponding path program 1 times [2020-10-12 21:00:27,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:27,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799704643] [2020-10-12 21:00:27,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:27,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:27,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 21:00:27,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:27,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 21:00:27,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-12 21:00:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:00:27,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:27,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:27,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:27,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:27,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:27,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:27,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:27,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:27,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:27,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:27,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-12 21:00:27,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799704643] [2020-10-12 21:00:27,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:27,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:27,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547585456] [2020-10-12 21:00:27,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:27,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:27,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:27,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:27,826 INFO L87 Difference]: Start difference. First operand 1575 states and 2195 transitions. Second operand 3 states. [2020-10-12 21:00:27,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:27,934 INFO L93 Difference]: Finished difference Result 2099 states and 2932 transitions. [2020-10-12 21:00:27,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:27,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-10-12 21:00:27,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:27,947 INFO L225 Difference]: With dead ends: 2099 [2020-10-12 21:00:27,948 INFO L226 Difference]: Without dead ends: 2097 [2020-10-12 21:00:27,949 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 [2020-10-12 21:00:27,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2020-10-12 21:00:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2095. [2020-10-12 21:00:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2095 states. [2020-10-12 21:00:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2928 transitions. [2020-10-12 21:00:28,024 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2928 transitions. Word has length 125 [2020-10-12 21:00:28,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:28,025 INFO L479 AbstractCegarLoop]: Abstraction has 2095 states and 2928 transitions. [2020-10-12 21:00:28,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2928 transitions. [2020-10-12 21:00:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 21:00:28,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:28,030 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:28,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:00:28,030 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:28,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:28,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1926325843, now seen corresponding path program 1 times [2020-10-12 21:00:28,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:28,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139987049] [2020-10-12 21:00:28,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:28,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:29,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:29,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-12 21:00:29,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:00:29,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1615 [2020-10-12 21:00:29,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-12 21:00:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:00:29,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:29,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:29,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:29,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:29,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:29,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:29,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:29,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:29,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:29,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:29,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:29,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 21:00:29,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139987049] [2020-10-12 21:00:29,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:29,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 21:00:29,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799309629] [2020-10-12 21:00:29,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 21:00:29,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:29,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 21:00:29,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:29,767 INFO L87 Difference]: Start difference. First operand 2095 states and 2928 transitions. Second operand 5 states. [2020-10-12 21:00:30,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:30,136 INFO L93 Difference]: Finished difference Result 10271 states and 14336 transitions. [2020-10-12 21:00:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:30,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-12 21:00:30,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:30,182 INFO L225 Difference]: With dead ends: 10271 [2020-10-12 21:00:30,183 INFO L226 Difference]: Without dead ends: 8189 [2020-10-12 21:00:30,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 21:00:30,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8189 states. [2020-10-12 21:00:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8189 to 4135. [2020-10-12 21:00:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4135 states. [2020-10-12 21:00:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 4135 states and 5760 transitions. [2020-10-12 21:00:30,487 INFO L78 Accepts]: Start accepts. Automaton has 4135 states and 5760 transitions. Word has length 131 [2020-10-12 21:00:30,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:30,488 INFO L479 AbstractCegarLoop]: Abstraction has 4135 states and 5760 transitions. [2020-10-12 21:00:30,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 21:00:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 5760 transitions. [2020-10-12 21:00:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 21:00:30,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:30,495 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:30,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:00:30,496 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:30,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:30,496 INFO L82 PathProgramCache]: Analyzing trace with hash -589438726, now seen corresponding path program 1 times [2020-10-12 21:00:30,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:30,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308389473] [2020-10-12 21:00:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:30,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:30,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:30,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:30,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:30,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:00:30,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:30,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-12 21:00:30,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:30,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-12 21:00:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:00:30,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:30,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:30,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:30,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:30,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:30,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:30,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:30,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:30,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-12 21:00:30,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308389473] [2020-10-12 21:00:30,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:30,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:30,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440421194] [2020-10-12 21:00:30,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:30,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:30,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:30,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:30,797 INFO L87 Difference]: Start difference. First operand 4135 states and 5760 transitions. Second operand 3 states. [2020-10-12 21:00:31,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:31,126 INFO L93 Difference]: Finished difference Result 8835 states and 12524 transitions. [2020-10-12 21:00:31,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:31,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-10-12 21:00:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:31,152 INFO L225 Difference]: With dead ends: 8835 [2020-10-12 21:00:31,152 INFO L226 Difference]: Without dead ends: 4713 [2020-10-12 21:00:31,161 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 [2020-10-12 21:00:31,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4713 states. [2020-10-12 21:00:31,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4713 to 4567. [2020-10-12 21:00:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4567 states. [2020-10-12 21:00:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 4567 states and 6272 transitions. [2020-10-12 21:00:31,379 INFO L78 Accepts]: Start accepts. Automaton has 4567 states and 6272 transitions. Word has length 132 [2020-10-12 21:00:31,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:31,379 INFO L479 AbstractCegarLoop]: Abstraction has 4567 states and 6272 transitions. [2020-10-12 21:00:31,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 4567 states and 6272 transitions. [2020-10-12 21:00:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 21:00:31,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:31,387 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-12 21:00:31,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:00:31,387 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:31,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:31,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2090361588, now seen corresponding path program 1 times [2020-10-12 21:00:31,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:31,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444945698] [2020-10-12 21:00:31,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 21:00:31,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-12 21:00:31,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-12 21:00:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:00:31,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:31,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:31,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:31,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:31,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 21:00:31,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444945698] [2020-10-12 21:00:31,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:31,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:31,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843482627] [2020-10-12 21:00:31,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:31,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:31,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:31,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:31,703 INFO L87 Difference]: Start difference. First operand 4567 states and 6272 transitions. Second operand 3 states. [2020-10-12 21:00:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:32,061 INFO L93 Difference]: Finished difference Result 10321 states and 14623 transitions. [2020-10-12 21:00:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:32,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-10-12 21:00:32,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:32,092 INFO L225 Difference]: With dead ends: 10321 [2020-10-12 21:00:32,093 INFO L226 Difference]: Without dead ends: 5671 [2020-10-12 21:00:32,105 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 [2020-10-12 21:00:32,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5671 states. [2020-10-12 21:00:32,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5671 to 5463. [2020-10-12 21:00:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5463 states. [2020-10-12 21:00:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5463 states to 5463 states and 7472 transitions. [2020-10-12 21:00:32,390 INFO L78 Accepts]: Start accepts. Automaton has 5463 states and 7472 transitions. Word has length 133 [2020-10-12 21:00:32,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:32,390 INFO L479 AbstractCegarLoop]: Abstraction has 5463 states and 7472 transitions. [2020-10-12 21:00:32,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand 5463 states and 7472 transitions. [2020-10-12 21:00:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-12 21:00:32,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:32,398 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:32,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:00:32,398 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:32,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:32,399 INFO L82 PathProgramCache]: Analyzing trace with hash 518032743, now seen corresponding path program 1 times [2020-10-12 21:00:32,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:32,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006878725] [2020-10-12 21:00:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:32,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-12 21:00:32,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:32,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-12 21:00:32,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:32,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:00:32,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:00:32,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:32,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:32,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:32,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:32,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-12 21:00:32,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006878725] [2020-10-12 21:00:32,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:32,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:32,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646898501] [2020-10-12 21:00:32,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:32,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:32,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:32,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:32,720 INFO L87 Difference]: Start difference. First operand 5463 states and 7472 transitions. Second operand 3 states. [2020-10-12 21:00:33,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:33,183 INFO L93 Difference]: Finished difference Result 11662 states and 16075 transitions. [2020-10-12 21:00:33,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:33,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-12 21:00:33,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:33,210 INFO L225 Difference]: With dead ends: 11662 [2020-10-12 21:00:33,211 INFO L226 Difference]: Without dead ends: 5988 [2020-10-12 21:00:33,222 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 [2020-10-12 21:00:33,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5988 states. [2020-10-12 21:00:33,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5988 to 5927. [2020-10-12 21:00:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5927 states. [2020-10-12 21:00:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 8080 transitions. [2020-10-12 21:00:33,443 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 8080 transitions. Word has length 155 [2020-10-12 21:00:33,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:33,444 INFO L479 AbstractCegarLoop]: Abstraction has 5927 states and 8080 transitions. [2020-10-12 21:00:33,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 8080 transitions. [2020-10-12 21:00:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 21:00:33,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:33,452 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 21:00:33,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:00:33,452 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:33,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:33,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1305300008, now seen corresponding path program 1 times [2020-10-12 21:00:33,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:33,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080591257] [2020-10-12 21:00:33,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:33,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:33,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:33,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:33,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:33,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:34,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:34,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 21:00:34,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:00:34,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-10-12 21:00:34,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-12 21:00:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:00:34,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:34,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:34,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:34,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:34,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:34,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:34,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:34,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-12 21:00:34,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080591257] [2020-10-12 21:00:34,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:34,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:34,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844817369] [2020-10-12 21:00:34,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:34,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:34,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:34,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:34,244 INFO L87 Difference]: Start difference. First operand 5927 states and 8080 transitions. Second operand 3 states. [2020-10-12 21:00:34,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:34,416 INFO L93 Difference]: Finished difference Result 11388 states and 15562 transitions. [2020-10-12 21:00:34,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:34,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-10-12 21:00:34,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:34,437 INFO L225 Difference]: With dead ends: 11388 [2020-10-12 21:00:34,437 INFO L226 Difference]: Without dead ends: 5330 [2020-10-12 21:00:34,450 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 [2020-10-12 21:00:34,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2020-10-12 21:00:34,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 5330. [2020-10-12 21:00:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5330 states. [2020-10-12 21:00:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 7067 transitions. [2020-10-12 21:00:34,643 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 7067 transitions. Word has length 163 [2020-10-12 21:00:34,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:34,644 INFO L479 AbstractCegarLoop]: Abstraction has 5330 states and 7067 transitions. [2020-10-12 21:00:34,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 7067 transitions. [2020-10-12 21:00:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:00:34,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:34,653 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:34,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:00:34,653 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:34,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:34,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1493668645, now seen corresponding path program 1 times [2020-10-12 21:00:34,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:34,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996747501] [2020-10-12 21:00:34,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:34,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:34,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:35,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:35,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-12 21:00:35,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:35,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 324 [2020-10-12 21:00:35,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:35,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:00:35,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-12 21:00:35,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 21:00:35,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:35,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:35,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:35,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:35,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:35,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:35,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:35,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:35,110 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-12 21:00:35,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996747501] [2020-10-12 21:00:35,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:00:35,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 21:00:35,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519504598] [2020-10-12 21:00:35,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 21:00:35,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:35,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 21:00:35,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 21:00:35,114 INFO L87 Difference]: Start difference. First operand 5330 states and 7067 transitions. Second operand 4 states. [2020-10-12 21:00:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:35,877 INFO L93 Difference]: Finished difference Result 16266 states and 21675 transitions. [2020-10-12 21:00:35,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:35,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 189 [2020-10-12 21:00:35,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:35,911 INFO L225 Difference]: With dead ends: 16266 [2020-10-12 21:00:35,911 INFO L226 Difference]: Without dead ends: 10784 [2020-10-12 21:00:35,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:35,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10784 states. [2020-10-12 21:00:36,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10784 to 7378. [2020-10-12 21:00:36,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7378 states. [2020-10-12 21:00:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7378 states to 7378 states and 10131 transitions. [2020-10-12 21:00:36,246 INFO L78 Accepts]: Start accepts. Automaton has 7378 states and 10131 transitions. Word has length 189 [2020-10-12 21:00:36,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:36,247 INFO L479 AbstractCegarLoop]: Abstraction has 7378 states and 10131 transitions. [2020-10-12 21:00:36,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 21:00:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 7378 states and 10131 transitions. [2020-10-12 21:00:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-12 21:00:36,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:36,258 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-12 21:00:36,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:00:36,258 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:36,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:36,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1467791988, now seen corresponding path program 1 times [2020-10-12 21:00:36,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:36,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659493131] [2020-10-12 21:00:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:36,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:36,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-12 21:00:36,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:36,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-12 21:00:36,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-12 21:00:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 21:00:36,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:36,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:36,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:36,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:36,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:36,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:36,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:36,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-12 21:00:36,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659493131] [2020-10-12 21:00:36,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:36,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:36,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487372020] [2020-10-12 21:00:36,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:36,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:36,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:36,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:36,462 INFO L87 Difference]: Start difference. First operand 7378 states and 10131 transitions. Second operand 3 states. [2020-10-12 21:00:36,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:36,746 INFO L93 Difference]: Finished difference Result 16570 states and 22772 transitions. [2020-10-12 21:00:36,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:36,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2020-10-12 21:00:36,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:36,768 INFO L225 Difference]: With dead ends: 16570 [2020-10-12 21:00:36,768 INFO L226 Difference]: Without dead ends: 9216 [2020-10-12 21:00:36,785 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 [2020-10-12 21:00:36,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2020-10-12 21:00:37,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2020-10-12 21:00:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2020-10-12 21:00:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 12653 transitions. [2020-10-12 21:00:37,353 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 12653 transitions. Word has length 192 [2020-10-12 21:00:37,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:37,354 INFO L479 AbstractCegarLoop]: Abstraction has 9216 states and 12653 transitions. [2020-10-12 21:00:37,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 12653 transitions. [2020-10-12 21:00:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-12 21:00:37,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:37,368 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2020-10-12 21:00:37,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 21:00:37,369 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:37,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:37,369 INFO L82 PathProgramCache]: Analyzing trace with hash 2098602630, now seen corresponding path program 1 times [2020-10-12 21:00:37,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:37,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721317203] [2020-10-12 21:00:37,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:37,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:37,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:37,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:37,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:37,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 21:00:37,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:37,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-12 21:00:37,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:37,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-12 21:00:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:00:37,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:37,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:37,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:37,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:37,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:37,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:37,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2020-10-12 21:00:37,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721317203] [2020-10-12 21:00:37,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:37,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:37,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596127091] [2020-10-12 21:00:37,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:37,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:37,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:37,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:37,891 INFO L87 Difference]: Start difference. First operand 9216 states and 12653 transitions. Second operand 3 states. [2020-10-12 21:00:38,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:38,352 INFO L93 Difference]: Finished difference Result 20130 states and 27819 transitions. [2020-10-12 21:00:38,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:38,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-10-12 21:00:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:38,381 INFO L225 Difference]: With dead ends: 20130 [2020-10-12 21:00:38,381 INFO L226 Difference]: Without dead ends: 10658 [2020-10-12 21:00:38,402 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 [2020-10-12 21:00:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10658 states. [2020-10-12 21:00:38,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10658 to 10576. [2020-10-12 21:00:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10576 states. [2020-10-12 21:00:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10576 states to 10576 states and 14533 transitions. [2020-10-12 21:00:38,893 INFO L78 Accepts]: Start accepts. Automaton has 10576 states and 14533 transitions. Word has length 220 [2020-10-12 21:00:38,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:38,894 INFO L479 AbstractCegarLoop]: Abstraction has 10576 states and 14533 transitions. [2020-10-12 21:00:38,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:38,894 INFO L276 IsEmpty]: Start isEmpty. Operand 10576 states and 14533 transitions. [2020-10-12 21:00:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-12 21:00:38,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:38,911 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 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] [2020-10-12 21:00:38,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 21:00:38,912 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:38,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:38,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1896811269, now seen corresponding path program 1 times [2020-10-12 21:00:38,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:38,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2036689312] [2020-10-12 21:00:38,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:39,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:39,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:39,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-12 21:00:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-12 21:00:39,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-10-12 21:00:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:00:39,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:39,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:39,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:39,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:39,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:39,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2020-10-12 21:00:39,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2036689312] [2020-10-12 21:00:39,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:39,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:39,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034093871] [2020-10-12 21:00:39,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:39,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:39,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:39,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:39,368 INFO L87 Difference]: Start difference. First operand 10576 states and 14533 transitions. Second operand 3 states. [2020-10-12 21:00:39,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:39,837 INFO L93 Difference]: Finished difference Result 22850 states and 31579 transitions. [2020-10-12 21:00:39,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:39,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2020-10-12 21:00:39,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:39,867 INFO L225 Difference]: With dead ends: 22850 [2020-10-12 21:00:39,867 INFO L226 Difference]: Without dead ends: 12098 [2020-10-12 21:00:39,887 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 [2020-10-12 21:00:39,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12098 states. [2020-10-12 21:00:40,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12098 to 12016. [2020-10-12 21:00:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12016 states. [2020-10-12 21:00:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12016 states to 12016 states and 16573 transitions. [2020-10-12 21:00:40,757 INFO L78 Accepts]: Start accepts. Automaton has 12016 states and 16573 transitions. Word has length 251 [2020-10-12 21:00:40,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:40,758 INFO L479 AbstractCegarLoop]: Abstraction has 12016 states and 16573 transitions. [2020-10-12 21:00:40,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 12016 states and 16573 transitions. [2020-10-12 21:00:40,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-12 21:00:40,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:40,786 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2020-10-12 21:00:40,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 21:00:40,786 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:40,787 INFO L82 PathProgramCache]: Analyzing trace with hash -2124350968, now seen corresponding path program 1 times [2020-10-12 21:00:40,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:40,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017849978] [2020-10-12 21:00:40,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:40,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:40,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:41,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:41,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:42,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:00:42,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:00:42,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1182 [2020-10-12 21:00:42,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:42,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-12 21:00:42,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-12 21:00:42,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:42,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:42,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:42,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:42,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:42,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:42,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2020-10-12 21:00:42,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017849978] [2020-10-12 21:00:42,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:42,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:42,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140004625] [2020-10-12 21:00:42,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:42,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:42,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:42,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:42,245 INFO L87 Difference]: Start difference. First operand 12016 states and 16573 transitions. Second operand 3 states. [2020-10-12 21:00:42,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:42,659 INFO L93 Difference]: Finished difference Result 26408 states and 36441 transitions. [2020-10-12 21:00:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:42,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2020-10-12 21:00:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:42,695 INFO L225 Difference]: With dead ends: 26408 [2020-10-12 21:00:42,695 INFO L226 Difference]: Without dead ends: 14416 [2020-10-12 21:00:42,725 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 [2020-10-12 21:00:42,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14416 states. [2020-10-12 21:00:43,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14416 to 14414. [2020-10-12 21:00:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14414 states. [2020-10-12 21:00:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14414 states to 14414 states and 19811 transitions. [2020-10-12 21:00:43,209 INFO L78 Accepts]: Start accepts. Automaton has 14414 states and 19811 transitions. Word has length 252 [2020-10-12 21:00:43,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:43,210 INFO L479 AbstractCegarLoop]: Abstraction has 14414 states and 19811 transitions. [2020-10-12 21:00:43,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:43,210 INFO L276 IsEmpty]: Start isEmpty. Operand 14414 states and 19811 transitions. [2020-10-12 21:00:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-12 21:00:43,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:43,230 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2020-10-12 21:00:43,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 21:00:43,231 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:43,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:43,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1456969078, now seen corresponding path program 1 times [2020-10-12 21:00:43,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:43,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110922632] [2020-10-12 21:00:43,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:43,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:43,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:43,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:43,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:43,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:43,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:00:44,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:00:44,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1121 [2020-10-12 21:00:44,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:44,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-12 21:00:44,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 21:00:44,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:44,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:44,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:44,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:44,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-12 21:00:44,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110922632] [2020-10-12 21:00:44,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:44,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:44,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335902438] [2020-10-12 21:00:44,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:44,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:44,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:44,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:44,548 INFO L87 Difference]: Start difference. First operand 14414 states and 19811 transitions. Second operand 3 states. [2020-10-12 21:00:44,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:44,986 INFO L93 Difference]: Finished difference Result 28972 states and 39818 transitions. [2020-10-12 21:00:44,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:44,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2020-10-12 21:00:44,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:45,018 INFO L225 Difference]: With dead ends: 28972 [2020-10-12 21:00:45,019 INFO L226 Difference]: Without dead ends: 14582 [2020-10-12 21:00:45,039 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 [2020-10-12 21:00:45,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14582 states. [2020-10-12 21:00:45,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14582 to 14438. [2020-10-12 21:00:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14438 states. [2020-10-12 21:00:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14438 states to 14438 states and 19835 transitions. [2020-10-12 21:00:45,410 INFO L78 Accepts]: Start accepts. Automaton has 14438 states and 19835 transitions. Word has length 252 [2020-10-12 21:00:45,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:45,411 INFO L479 AbstractCegarLoop]: Abstraction has 14438 states and 19835 transitions. [2020-10-12 21:00:45,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 14438 states and 19835 transitions. [2020-10-12 21:00:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-12 21:00:45,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:45,436 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:45,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 21:00:45,436 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:45,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:45,437 INFO L82 PathProgramCache]: Analyzing trace with hash -834813651, now seen corresponding path program 1 times [2020-10-12 21:00:45,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:45,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129344349] [2020-10-12 21:00:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:45,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-12 21:00:45,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:45,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-12 21:00:45,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:45,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:45,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:00:45,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:00:45,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:45,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:45,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:45,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:45,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:45,727 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2020-10-12 21:00:45,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129344349] [2020-10-12 21:00:45,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:45,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:45,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742683543] [2020-10-12 21:00:45,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:45,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:45,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:45,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:45,730 INFO L87 Difference]: Start difference. First operand 14438 states and 19835 transitions. Second operand 3 states. [2020-10-12 21:00:46,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:46,049 INFO L93 Difference]: Finished difference Result 21706 states and 29794 transitions. [2020-10-12 21:00:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:46,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2020-10-12 21:00:46,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:46,077 INFO L225 Difference]: With dead ends: 21706 [2020-10-12 21:00:46,077 INFO L226 Difference]: Without dead ends: 14504 [2020-10-12 21:00:46,089 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 [2020-10-12 21:00:46,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14504 states. [2020-10-12 21:00:46,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14504 to 14504. [2020-10-12 21:00:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14504 states. [2020-10-12 21:00:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14504 states to 14504 states and 19915 transitions. [2020-10-12 21:00:46,604 INFO L78 Accepts]: Start accepts. Automaton has 14504 states and 19915 transitions. Word has length 284 [2020-10-12 21:00:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:46,604 INFO L479 AbstractCegarLoop]: Abstraction has 14504 states and 19915 transitions. [2020-10-12 21:00:46,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 14504 states and 19915 transitions. [2020-10-12 21:00:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-12 21:00:46,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:46,625 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:46,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 21:00:46,626 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:46,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:46,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1346723786, now seen corresponding path program 1 times [2020-10-12 21:00:46,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:46,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483686140] [2020-10-12 21:00:46,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:46,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:46,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:46,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:46,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:00:47,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:00:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 775 [2020-10-12 21:00:47,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:00:47,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-12 21:00:47,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:47,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:47,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2020-10-12 21:00:47,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483686140] [2020-10-12 21:00:47,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:47,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:47,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344739972] [2020-10-12 21:00:47,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:47,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:47,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:47,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:47,566 INFO L87 Difference]: Start difference. First operand 14504 states and 19915 transitions. Second operand 3 states. [2020-10-12 21:00:48,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:48,095 INFO L93 Difference]: Finished difference Result 43272 states and 59497 transitions. [2020-10-12 21:00:48,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:48,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-10-12 21:00:48,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:48,146 INFO L225 Difference]: With dead ends: 43272 [2020-10-12 21:00:48,146 INFO L226 Difference]: Without dead ends: 28792 [2020-10-12 21:00:48,168 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 [2020-10-12 21:00:48,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28792 states. [2020-10-12 21:00:48,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28792 to 28646. [2020-10-12 21:00:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28646 states. [2020-10-12 21:00:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28646 states to 28646 states and 39293 transitions. [2020-10-12 21:00:49,033 INFO L78 Accepts]: Start accepts. Automaton has 28646 states and 39293 transitions. Word has length 286 [2020-10-12 21:00:49,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:49,034 INFO L479 AbstractCegarLoop]: Abstraction has 28646 states and 39293 transitions. [2020-10-12 21:00:49,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 28646 states and 39293 transitions. [2020-10-12 21:00:49,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-12 21:00:49,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:49,059 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:49,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 21:00:49,060 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:49,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:49,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1142363851, now seen corresponding path program 1 times [2020-10-12 21:00:49,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:49,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134501279] [2020-10-12 21:00:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:49,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:49,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:49,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-12 21:00:49,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:49,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 21:00:49,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-12 21:00:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 21:00:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:49,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:49,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:49,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:49,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:49,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:49,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:49,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-12 21:00:49,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134501279] [2020-10-12 21:00:49,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:49,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:49,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042036347] [2020-10-12 21:00:49,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:49,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:49,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:49,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:49,299 INFO L87 Difference]: Start difference. First operand 28646 states and 39293 transitions. Second operand 3 states. [2020-10-12 21:00:50,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:50,113 INFO L93 Difference]: Finished difference Result 60244 states and 83070 transitions. [2020-10-12 21:00:50,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:50,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2020-10-12 21:00:50,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:50,165 INFO L225 Difference]: With dead ends: 60244 [2020-10-12 21:00:50,166 INFO L226 Difference]: Without dead ends: 31622 [2020-10-12 21:00:50,198 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 [2020-10-12 21:00:50,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31622 states. [2020-10-12 21:00:51,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31622 to 31046. [2020-10-12 21:00:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31046 states. [2020-10-12 21:00:51,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31046 states to 31046 states and 42173 transitions. [2020-10-12 21:00:51,158 INFO L78 Accepts]: Start accepts. Automaton has 31046 states and 42173 transitions. Word has length 296 [2020-10-12 21:00:51,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:51,158 INFO L479 AbstractCegarLoop]: Abstraction has 31046 states and 42173 transitions. [2020-10-12 21:00:51,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 31046 states and 42173 transitions. [2020-10-12 21:00:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-12 21:00:51,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:51,178 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:51,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 21:00:51,178 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:51,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:51,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1875632044, now seen corresponding path program 1 times [2020-10-12 21:00:51,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:51,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320439262] [2020-10-12 21:00:51,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:51,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:51,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:51,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:51,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-12 21:00:51,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:51,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-12 21:00:51,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:00:51,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-12 21:00:51,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 21:00:51,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:51,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:51,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:51,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:51,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:51,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:51,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:51,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 629 proven. 26 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-10-12 21:00:51,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320439262] [2020-10-12 21:00:51,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:00:51,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 21:00:51,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136101526] [2020-10-12 21:00:51,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 21:00:51,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:51,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 21:00:51,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 21:00:51,724 INFO L87 Difference]: Start difference. First operand 31046 states and 42173 transitions. Second operand 4 states. [2020-10-12 21:00:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:52,401 INFO L93 Difference]: Finished difference Result 46517 states and 62399 transitions. [2020-10-12 21:00:52,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:52,402 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 303 [2020-10-12 21:00:52,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:52,427 INFO L225 Difference]: With dead ends: 46517 [2020-10-12 21:00:52,427 INFO L226 Difference]: Without dead ends: 15495 [2020-10-12 21:00:52,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:52,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15495 states. [2020-10-12 21:00:52,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15495 to 14065. [2020-10-12 21:00:52,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14065 states. [2020-10-12 21:00:52,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14065 states to 14065 states and 17949 transitions. [2020-10-12 21:00:52,935 INFO L78 Accepts]: Start accepts. Automaton has 14065 states and 17949 transitions. Word has length 303 [2020-10-12 21:00:52,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:52,936 INFO L479 AbstractCegarLoop]: Abstraction has 14065 states and 17949 transitions. [2020-10-12 21:00:52,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 21:00:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 14065 states and 17949 transitions. [2020-10-12 21:00:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2020-10-12 21:00:52,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:52,952 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 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] [2020-10-12 21:00:52,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 21:00:52,952 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:52,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:52,953 INFO L82 PathProgramCache]: Analyzing trace with hash -676110835, now seen corresponding path program 1 times [2020-10-12 21:00:52,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:52,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590962766] [2020-10-12 21:00:52,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:53,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:53,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:53,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 435 [2020-10-12 21:00:53,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:53,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-12 21:00:53,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:00:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 376 [2020-10-12 21:00:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:00:53,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:53,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:53,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:53,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:53,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:53,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:53,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:53,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 518 proven. 22 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-10-12 21:00:53,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590962766] [2020-10-12 21:00:53,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:00:53,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 21:00:53,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814650949] [2020-10-12 21:00:53,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 21:00:53,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:53,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 21:00:53,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 21:00:53,428 INFO L87 Difference]: Start difference. First operand 14065 states and 17949 transitions. Second operand 4 states. [2020-10-12 21:00:53,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:53,855 INFO L93 Difference]: Finished difference Result 25002 states and 31852 transitions. [2020-10-12 21:00:53,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:53,855 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 427 [2020-10-12 21:00:53,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:53,856 INFO L225 Difference]: With dead ends: 25002 [2020-10-12 21:00:53,857 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 21:00:53,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:53,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 21:00:53,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 21:00:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 21:00:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 21:00:53,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 427 [2020-10-12 21:00:53,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:53,881 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 21:00:53,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 21:00:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 21:00:53,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 21:00:53,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 21:00:53,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 21:00:54,099 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 153 [2020-10-12 21:00:54,428 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 172 [2020-10-12 21:00:54,913 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 148 [2020-10-12 21:00:57,065 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 799 DAG size of output: 530 [2020-10-12 21:00:58,845 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 811 DAG size of output: 536 [2020-10-12 21:00:59,319 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 39 [2020-10-12 21:00:59,466 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2020-10-12 21:01:00,145 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 33 [2020-10-12 21:01:00,305 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2020-10-12 21:01:00,643 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2020-10-12 21:01:00,943 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2020-10-12 21:01:01,327 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 29 [2020-10-12 21:01:01,671 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 38 [2020-10-12 21:01:01,986 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2020-10-12 21:01:02,316 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-10-12 21:01:06,407 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 451 DAG size of output: 70 [2020-10-12 21:01:06,644 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2020-10-12 21:01:06,925 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2020-10-12 21:01:07,069 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2020-10-12 21:01:07,462 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2020-10-12 21:01:07,874 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2020-10-12 21:01:08,278 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 42 [2020-10-12 21:01:08,430 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2020-10-12 21:01:12,512 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 456 DAG size of output: 70 [2020-10-12 21:01:12,826 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 39 [2020-10-12 21:01:12,830 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-12 21:01:12,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 21:01:12,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 21:01:12,830 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-12 21:01:12,830 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 21:01:12,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 21:01:12,830 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 627 638) the Hoare annotation is: true [2020-10-12 21:01:12,831 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 627 638) no Hoare annotation was computed. [2020-10-12 21:01:12,831 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (= 8464 main_~s~0) [2020-10-12 21:01:12,831 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-10-12 21:01:12,831 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 627 638) no Hoare annotation was computed. [2020-10-12 21:01:12,832 INFO L268 CegarLoopResult]: For program point L597(lines 597 602) no Hoare annotation was computed. [2020-10-12 21:01:12,832 INFO L268 CegarLoopResult]: For program point L597-2(lines 596 610) no Hoare annotation was computed. [2020-10-12 21:01:12,832 INFO L268 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-10-12 21:01:12,832 INFO L264 CegarLoopResult]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= 8672 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse0 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse0 (* 4294967296 (div .cse0 4294967296)))) .cse1 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) .cse2) (and (<= ssl3_accept_~blastFlag~0 4) .cse2) (and .cse1 (<= ssl3_accept_~blastFlag~0 7) .cse2) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,832 INFO L264 CegarLoopResult]: At program point L102(lines 101 594) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= 8672 ssl3_accept_~s__state~0)) [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L499(lines 499 502) no Hoare annotation was computed. [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L599(lines 599 601) no Hoare annotation was computed. [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L335(lines 335 372) no Hoare annotation was computed. [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L335-1(lines 335 372) no Hoare annotation was computed. [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L203(lines 203 560) no Hoare annotation was computed. [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L170(lines 170 571) no Hoare annotation was computed. [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L137(lines 137 582) no Hoare annotation was computed. [2020-10-12 21:01:12,833 INFO L268 CegarLoopResult]: For program point L104(lines 104 593) no Hoare annotation was computed. [2020-10-12 21:01:12,834 INFO L264 CegarLoopResult]: At program point L402(lines 393 414) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8560)) (.cse2 (<= 8528 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse3 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse1 .cse0 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= 7 ssl3_accept_~blastFlag~0)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2))) [2020-10-12 21:01:12,834 INFO L268 CegarLoopResult]: For program point L336(lines 336 369) no Hoare annotation was computed. [2020-10-12 21:01:12,834 INFO L268 CegarLoopResult]: For program point L303(lines 303 313) no Hoare annotation was computed. [2020-10-12 21:01:12,834 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 313) no Hoare annotation was computed. [2020-10-12 21:01:12,834 INFO L271 CegarLoopResult]: At program point L204(lines 203 560) the Hoare annotation is: true [2020-10-12 21:01:12,834 INFO L264 CegarLoopResult]: At program point L171(lines 167 572) the Hoare annotation is: (let ((.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse0 (<= ssl3_accept_~s__state~0 8592)) (.cse1 (<= 8528 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (and .cse2 (<= ssl3_accept_~blastFlag~0 2) .cse0 .cse1) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse3 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse2 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= 7 ssl3_accept_~blastFlag~0)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,835 INFO L264 CegarLoopResult]: At program point L138(lines 134 583) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8528))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse2 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse0 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= 7 ssl3_accept_~blastFlag~0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,835 INFO L268 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-10-12 21:01:12,835 INFO L268 CegarLoopResult]: For program point L535-2(lines 535 539) no Hoare annotation was computed. [2020-10-12 21:01:12,835 INFO L268 CegarLoopResult]: For program point L437(lines 437 440) no Hoare annotation was computed. [2020-10-12 21:01:12,835 INFO L271 CegarLoopResult]: At program point L206(lines 205 560) the Hoare annotation is: true [2020-10-12 21:01:12,835 INFO L268 CegarLoopResult]: For program point L173(lines 173 570) no Hoare annotation was computed. [2020-10-12 21:01:12,835 INFO L268 CegarLoopResult]: For program point L140(lines 140 581) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L268 CegarLoopResult]: For program point L107(lines 107 592) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L268 CegarLoopResult]: For program point L504(lines 504 514) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L268 CegarLoopResult]: For program point L405(lines 405 407) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L268 CegarLoopResult]: For program point L273-2(lines 207 557) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L268 CegarLoopResult]: For program point L604(lines 604 608) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L268 CegarLoopResult]: For program point L307(lines 307 309) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L268 CegarLoopResult]: For program point L307-2(lines 305 313) no Hoare annotation was computed. [2020-10-12 21:01:12,836 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 626) the Hoare annotation is: true [2020-10-12 21:01:12,837 INFO L268 CegarLoopResult]: For program point L341(lines 341 367) no Hoare annotation was computed. [2020-10-12 21:01:12,837 INFO L268 CegarLoopResult]: For program point L242(lines 242 252) no Hoare annotation was computed. [2020-10-12 21:01:12,837 INFO L268 CegarLoopResult]: For program point L176(lines 176 569) no Hoare annotation was computed. [2020-10-12 21:01:12,837 INFO L268 CegarLoopResult]: For program point L143(lines 143 580) no Hoare annotation was computed. [2020-10-12 21:01:12,837 INFO L268 CegarLoopResult]: For program point L110(lines 110 591) no Hoare annotation was computed. [2020-10-12 21:01:12,837 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-10-12 21:01:12,837 INFO L268 CegarLoopResult]: For program point L474(lines 474 476) no Hoare annotation was computed. [2020-10-12 21:01:12,837 INFO L268 CegarLoopResult]: For program point L408(lines 408 410) no Hoare annotation was computed. [2020-10-12 21:01:12,838 INFO L268 CegarLoopResult]: For program point L243(lines 243 246) no Hoare annotation was computed. [2020-10-12 21:01:12,838 INFO L264 CegarLoopResult]: At program point L210(lines 104 593) the Hoare annotation is: (or (<= ssl3_accept_~s__state~0 8528) (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= 8672 ssl3_accept_~s__state~0)) [2020-10-12 21:01:12,838 INFO L264 CegarLoopResult]: At program point L177(lines 173 570) the Hoare annotation is: (let ((.cse3 (= ssl3_accept_~s__hit~0 0)) (.cse0 (<= 8528 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8608))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse2 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse3 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 (<= 7 ssl3_accept_~blastFlag~0)) (and .cse3 (<= ssl3_accept_~blastFlag~0 2) .cse0 .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,838 INFO L264 CegarLoopResult]: At program point L144(lines 140 581) the Hoare annotation is: (let ((.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= ssl3_accept_~s__state~0 8528))) (or (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse0 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse0 (* 4294967296 (div .cse0 4294967296)))) .cse1 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= 7 ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~blastFlag~0 1) .cse2) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,838 INFO L268 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-10-12 21:01:12,838 INFO L268 CegarLoopResult]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2020-10-12 21:01:12,838 INFO L268 CegarLoopResult]: For program point L179(lines 179 568) no Hoare annotation was computed. [2020-10-12 21:01:12,839 INFO L268 CegarLoopResult]: For program point L146(lines 146 579) no Hoare annotation was computed. [2020-10-12 21:01:12,839 INFO L268 CegarLoopResult]: For program point L113(lines 113 590) no Hoare annotation was computed. [2020-10-12 21:01:12,839 INFO L268 CegarLoopResult]: For program point L510(lines 510 512) no Hoare annotation was computed. [2020-10-12 21:01:12,839 INFO L268 CegarLoopResult]: For program point L510-2(lines 207 557) no Hoare annotation was computed. [2020-10-12 21:01:12,839 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-12 21:01:12,839 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-12 21:01:12,839 INFO L268 CegarLoopResult]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-10-12 21:01:12,839 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-12 21:01:12,840 INFO L268 CegarLoopResult]: For program point L182(lines 182 567) no Hoare annotation was computed. [2020-10-12 21:01:12,840 INFO L268 CegarLoopResult]: For program point L149(lines 149 578) no Hoare annotation was computed. [2020-10-12 21:01:12,840 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-12 21:01:12,840 INFO L268 CegarLoopResult]: For program point L116(lines 116 589) no Hoare annotation was computed. [2020-10-12 21:01:12,840 INFO L268 CegarLoopResult]: For program point L381(lines 381 416) no Hoare annotation was computed. [2020-10-12 21:01:12,840 INFO L264 CegarLoopResult]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= 8528 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse0 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse0 (* 4294967296 (div .cse0 4294967296)))) .cse1 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= 7 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (<= ssl3_accept_~blastFlag~0 1) .cse2) (and .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,840 INFO L264 CegarLoopResult]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0)) (.cse1 (let ((.cse6 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse6 (* 4294967296 (div .cse6 4294967296))))) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= ssl3_accept_~s__state~0 8560)) (.cse4 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse5 (<= 8528 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 6 ssl3_accept_~blastFlag~0)) (and .cse2 .cse3 (<= ssl3_accept_~blastFlag~0 2) .cse5) (and .cse3 (<= ssl3_accept_~blastFlag~0 1) .cse5) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 7) .cse5 (<= 7 ssl3_accept_~blastFlag~0)))) [2020-10-12 21:01:12,840 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-12 21:01:12,841 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-12 21:01:12,841 INFO L268 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-10-12 21:01:12,841 INFO L268 CegarLoopResult]: For program point L382(lines 382 388) no Hoare annotation was computed. [2020-10-12 21:01:12,841 INFO L271 CegarLoopResult]: At program point L614(lines 97 615) the Hoare annotation is: true [2020-10-12 21:01:12,841 INFO L268 CegarLoopResult]: For program point L548(lines 548 550) no Hoare annotation was computed. [2020-10-12 21:01:12,841 INFO L268 CegarLoopResult]: For program point L185(lines 185 566) no Hoare annotation was computed. [2020-10-12 21:01:12,841 INFO L268 CegarLoopResult]: For program point L152(lines 152 577) no Hoare annotation was computed. [2020-10-12 21:01:12,841 INFO L268 CegarLoopResult]: For program point L119(lines 119 588) no Hoare annotation was computed. [2020-10-12 21:01:12,842 INFO L268 CegarLoopResult]: For program point L483(lines 483 485) no Hoare annotation was computed. [2020-10-12 21:01:12,842 INFO L264 CegarLoopResult]: At program point L120(lines 116 589) the Hoare annotation is: (let ((.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= ssl3_accept_~s__state~0 8528))) (or (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse0 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse0 (* 4294967296 (div .cse0 4294967296)))) .cse1 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= 7 ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~blastFlag~0 1) .cse2) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,842 INFO L264 CegarLoopResult]: At program point L484(lines 71 625) the Hoare annotation is: (not (= 8464 |ssl3_accept_#in~initial_state|)) [2020-10-12 21:01:12,842 INFO L268 CegarLoopResult]: For program point L451(lines 451 460) no Hoare annotation was computed. [2020-10-12 21:01:12,842 INFO L268 CegarLoopResult]: For program point L352(lines 352 363) no Hoare annotation was computed. [2020-10-12 21:01:12,842 INFO L268 CegarLoopResult]: For program point L286(lines 286 288) no Hoare annotation was computed. [2020-10-12 21:01:12,842 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-12 21:01:12,842 INFO L268 CegarLoopResult]: For program point L286-2(lines 207 557) no Hoare annotation was computed. [2020-10-12 21:01:12,843 INFO L264 CegarLoopResult]: At program point L353(lines 329 374) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0)) (.cse1 (let ((.cse7 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse7 (* 4294967296 (div .cse7 4294967296))))) (.cse4 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= ssl3_accept_~s__state~0 8560)) (.cse5 (= ssl3_accept_~l~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse6 (<= 8528 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 7) .cse5 .cse6 (<= 7 ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 6 ssl3_accept_~blastFlag~0)) (and .cse3 (<= ssl3_accept_~blastFlag~0 1) .cse5 .cse6) (and .cse2 .cse3 .cse5 (<= ssl3_accept_~blastFlag~0 2) .cse6) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,843 INFO L268 CegarLoopResult]: For program point L188(lines 188 565) no Hoare annotation was computed. [2020-10-12 21:01:12,843 INFO L268 CegarLoopResult]: For program point L155(lines 155 576) no Hoare annotation was computed. [2020-10-12 21:01:12,843 INFO L268 CegarLoopResult]: For program point L122(lines 122 587) no Hoare annotation was computed. [2020-10-12 21:01:12,843 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-12 21:01:12,843 INFO L268 CegarLoopResult]: For program point L89-1(lines 71 625) no Hoare annotation was computed. [2020-10-12 21:01:12,843 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 626) no Hoare annotation was computed. [2020-10-12 21:01:12,843 INFO L268 CegarLoopResult]: For program point L486(lines 486 488) no Hoare annotation was computed. [2020-10-12 21:01:12,844 INFO L264 CegarLoopResult]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (<= 8528 ssl3_accept_~s__state~0)) (.cse3 (= ssl3_accept_~s__hit~0 0)) (.cse1 (< 8639 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8640))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0) (and .cse1 (<= ssl3_accept_~blastFlag~0 4) (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and .cse3 (<= ssl3_accept_~blastFlag~0 2) .cse0) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse4 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse4 (* 4294967296 (div .cse4 4294967296)))) .cse3 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) .cse1 (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= 7 ssl3_accept_~blastFlag~0)))) [2020-10-12 21:01:12,844 INFO L264 CegarLoopResult]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8560)) (.cse2 (<= 8528 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse3 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse1 .cse0 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= 7 ssl3_accept_~blastFlag~0)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2))) [2020-10-12 21:01:12,844 INFO L264 CegarLoopResult]: At program point L123(lines 122 587) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8528))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse2 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse0 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= 7 ssl3_accept_~blastFlag~0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,844 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-12 21:01:12,844 INFO L268 CegarLoopResult]: For program point L619(lines 619 621) no Hoare annotation was computed. [2020-10-12 21:01:12,844 INFO L268 CegarLoopResult]: For program point L619-2(lines 619 621) no Hoare annotation was computed. [2020-10-12 21:01:12,844 INFO L268 CegarLoopResult]: For program point L520(lines 520 523) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point L355(lines 355 357) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point L355-2(lines 352 361) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point L455(lines 455 457) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point L323-2(lines 207 557) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point L191(lines 191 564) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point L158(lines 158 575) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point L125(lines 125 586) no Hoare annotation was computed. [2020-10-12 21:01:12,845 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 626) no Hoare annotation was computed. [2020-10-12 21:01:12,846 INFO L268 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-10-12 21:01:12,846 INFO L268 CegarLoopResult]: For program point L489-2(lines 489 493) no Hoare annotation was computed. [2020-10-12 21:01:12,846 INFO L264 CegarLoopResult]: At program point L390(lines 381 416) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8560)) (.cse2 (<= 8528 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse3 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse1 .cse0 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= 7 ssl3_accept_~blastFlag~0)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2))) [2020-10-12 21:01:12,846 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-12 21:01:12,846 INFO L268 CegarLoopResult]: For program point L225(lines 225 236) no Hoare annotation was computed. [2020-10-12 21:01:12,846 INFO L268 CegarLoopResult]: For program point L225-2(lines 207 557) no Hoare annotation was computed. [2020-10-12 21:01:12,846 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-12 21:01:12,846 INFO L268 CegarLoopResult]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2020-10-12 21:01:12,846 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-12 21:01:12,847 INFO L268 CegarLoopResult]: For program point L194(lines 194 563) no Hoare annotation was computed. [2020-10-12 21:01:12,847 INFO L268 CegarLoopResult]: For program point L161(lines 161 574) no Hoare annotation was computed. [2020-10-12 21:01:12,847 INFO L268 CegarLoopResult]: For program point L128(lines 128 585) no Hoare annotation was computed. [2020-10-12 21:01:12,847 INFO L264 CegarLoopResult]: At program point L558(lines 98 613) the Hoare annotation is: (let ((.cse6 (= ssl3_accept_~s__state~0 8656)) (.cse7 (<= ssl3_accept_~blastFlag~0 2)) (.cse9 (<= ssl3_accept_~s__state~0 8448)) (.cse10 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse5 (<= ssl3_accept_~blastFlag~0 4)) (.cse11 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse4 (<= 8672 ssl3_accept_~s__state~0)) (.cse17 (<= 8528 ssl3_accept_~s__state~0)) (.cse0 (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0)) (.cse1 (let ((.cse18 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse18 (* 4294967296 (div .cse18 4294967296))))) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse15 (< 8639 ssl3_accept_~s__state~0)) (.cse8 (<= ssl3_accept_~blastFlag~0 7)) (.cse16 (<= ssl3_accept_~s__state~0 8640)) (.cse13 (<= 7 ssl3_accept_~blastFlag~0)) (.cse14 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse6) (and .cse7 .cse6) (and .cse2 .cse8 .cse9 .cse10) (and .cse5 .cse11 .cse12 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse6 .cse13) (and .cse2 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse8 (<= ssl3_accept_~s__state~0 8608) .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse10) (and .cse5 .cse4) (and .cse15 .cse5 .cse11 .cse16 .cse12) (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~s__state~0 8528) .cse17 (= 6 ssl3_accept_~blastFlag~0)) (<= ssl3_accept_~blastFlag~0 1) (and .cse2 .cse8 .cse4) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__state~0 8560) .cse3 .cse8 .cse17 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse15 .cse8 .cse16 .cse13 .cse14))) [2020-10-12 21:01:12,847 INFO L268 CegarLoopResult]: For program point L426(lines 426 428) no Hoare annotation was computed. [2020-10-12 21:01:12,847 INFO L268 CegarLoopResult]: For program point L393(lines 393 414) no Hoare annotation was computed. [2020-10-12 21:01:12,848 INFO L264 CegarLoopResult]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= 8656 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse0 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse0 (* 4294967296 (div .cse0 4294967296)))) .cse1 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) .cse2 (<= ssl3_accept_~blastFlag~0 7) (<= 7 ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 4)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse2 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-12 21:01:12,848 INFO L264 CegarLoopResult]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= 8528 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse3 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse1 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= 7 ssl3_accept_~blastFlag~0)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,848 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-10-12 21:01:12,848 INFO L268 CegarLoopResult]: For program point L197(lines 197 562) no Hoare annotation was computed. [2020-10-12 21:01:12,848 INFO L268 CegarLoopResult]: For program point L164(lines 164 573) no Hoare annotation was computed. [2020-10-12 21:01:12,848 INFO L268 CegarLoopResult]: For program point L131(lines 131 584) no Hoare annotation was computed. [2020-10-12 21:01:12,848 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2020-10-12 21:01:12,849 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 613) the Hoare annotation is: (let ((.cse6 (= ssl3_accept_~s__state~0 8656)) (.cse7 (<= ssl3_accept_~blastFlag~0 2)) (.cse9 (<= ssl3_accept_~s__state~0 8448)) (.cse10 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse5 (<= ssl3_accept_~blastFlag~0 4)) (.cse11 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse4 (<= 8672 ssl3_accept_~s__state~0)) (.cse17 (<= 8528 ssl3_accept_~s__state~0)) (.cse0 (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0)) (.cse1 (let ((.cse18 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse18 (* 4294967296 (div .cse18 4294967296))))) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse15 (< 8639 ssl3_accept_~s__state~0)) (.cse8 (<= ssl3_accept_~blastFlag~0 7)) (.cse16 (<= ssl3_accept_~s__state~0 8640)) (.cse13 (<= 7 ssl3_accept_~blastFlag~0)) (.cse14 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse6) (and .cse7 .cse6) (and .cse2 .cse8 .cse9 .cse10) (and .cse5 .cse11 .cse12 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse6 .cse13) (and .cse2 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse8 (<= ssl3_accept_~s__state~0 8608) .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse10) (and .cse5 .cse4) (and .cse15 .cse5 .cse11 .cse16 .cse12) (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~s__state~0 8528) .cse17 (= 6 ssl3_accept_~blastFlag~0)) (<= ssl3_accept_~blastFlag~0 1) (and .cse2 .cse8 .cse4) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__state~0 8560) .cse3 .cse8 .cse17 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse15 .cse8 .cse16 .cse13 .cse14))) [2020-10-12 21:01:12,849 INFO L268 CegarLoopResult]: For program point L528(lines 528 530) no Hoare annotation was computed. [2020-10-12 21:01:12,849 INFO L268 CegarLoopResult]: For program point L528-2(lines 207 557) no Hoare annotation was computed. [2020-10-12 21:01:12,849 INFO L268 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-10-12 21:01:12,849 INFO L264 CegarLoopResult]: At program point L165(lines 164 573) the Hoare annotation is: (let ((.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse0 (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0)) (.cse1 (let ((.cse7 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse7 (* 4294967296 (div .cse7 4294967296))))) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse6 (<= ssl3_accept_~blastFlag~0 7)) (.cse4 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 (<= ssl3_accept_~blastFlag~0 2) .cse4) (and (<= ssl3_accept_~blastFlag~0 1) .cse4) (and .cse2 .cse6 .cse4 .cse5) (and (<= ssl3_accept_~blastFlag~0 4) (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= 7 ssl3_accept_~blastFlag~0)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,849 INFO L264 CegarLoopResult]: At program point L132(lines 125 586) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8528))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (let ((.cse2 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse0 (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (<= ssl3_accept_~blastFlag~0 7) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= 7 ssl3_accept_~blastFlag~0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:01:12,850 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-12 21:01:12,850 INFO L268 CegarLoopResult]: For program point L595(lines 595 611) no Hoare annotation was computed. [2020-10-12 21:01:12,850 INFO L268 CegarLoopResult]: For program point L596(lines 596 610) no Hoare annotation was computed. [2020-10-12 21:01:12,850 INFO L268 CegarLoopResult]: For program point L332(lines 332 373) no Hoare annotation was computed. [2020-10-12 21:01:12,850 INFO L268 CegarLoopResult]: For program point L200(lines 200 561) no Hoare annotation was computed. [2020-10-12 21:01:12,850 INFO L268 CegarLoopResult]: For program point L167(lines 167 572) no Hoare annotation was computed. [2020-10-12 21:01:12,850 INFO L268 CegarLoopResult]: For program point L134(lines 134 583) no Hoare annotation was computed. [2020-10-12 21:01:12,850 INFO L268 CegarLoopResult]: For program point L101(lines 101 594) no Hoare annotation was computed. [2020-10-12 21:01:12,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:01:12 BoogieIcfgContainer [2020-10-12 21:01:12,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 21:01:12,888 INFO L168 Benchmark]: Toolchain (without parser) took 53463.58 ms. Allocated memory was 141.6 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 104.7 MB in the beginning and 846.4 MB in the end (delta: -741.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-12 21:01:12,888 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 21:01:12,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.42 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 104.3 MB in the beginning and 179.5 MB in the end (delta: -75.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-10-12 21:01:12,890 INFO L168 Benchmark]: Boogie Preprocessor took 55.76 ms. Allocated memory is still 204.5 MB. Free memory was 179.5 MB in the beginning and 176.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-12 21:01:12,890 INFO L168 Benchmark]: RCFGBuilder took 800.96 ms. Allocated memory is still 204.5 MB. Free memory was 176.8 MB in the beginning and 125.1 MB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. [2020-10-12 21:01:12,891 INFO L168 Benchmark]: TraceAbstraction took 52061.74 ms. Allocated memory was 204.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 124.4 MB in the beginning and 846.4 MB in the end (delta: -722.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-12 21:01:12,893 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 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 539.42 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 104.3 MB in the beginning and 179.5 MB in the end (delta: -75.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.76 ms. Allocated memory is still 204.5 MB. Free memory was 179.5 MB in the beginning and 176.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 800.96 ms. Allocated memory is still 204.5 MB. Free memory was 176.8 MB in the beginning and 125.1 MB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52061.74 ms. Allocated memory was 204.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 124.4 MB in the beginning and 846.4 MB in the end (delta: -722.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 623]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((s__state <= 8576 && s__hit == 0) && blastFlag <= 2) && 8528 <= s__state) || ((s__state <= 8576 && blastFlag <= 1) && 8528 <= s__state)) || (((((((s__state <= 8576 && s__s3__tmp__new_cipher__algorithms <= __cil_tmp56) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && 7 <= blastFlag)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8528) && 7 <= blastFlag) || ((s__hit == 0 && s__state <= 8528) && blastFlag <= 2)) || (blastFlag <= 1 && s__state <= 8528)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && 8656 <= s__state) && blastFlag <= 7) && 7 <= blastFlag) || ((s__hit == 0 && 8656 <= s__state) && blastFlag <= 4)) || !(8464 == \old(initial_state))) || (8656 <= s__state && blastFlag <= 2) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8528) && 7 <= blastFlag) || ((s__hit == 0 && s__state <= 8528) && blastFlag <= 2)) || (blastFlag <= 1 && s__state <= 8528)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || 8672 <= s__state - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((blastFlag <= 1 && 8528 <= s__state) && s__state <= 8608) || ((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608) && 7 <= blastFlag)) || (((s__hit == 0 && blastFlag <= 2) && 8528 <= s__state) && s__state <= 8608)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (s__state <= 8528 || !(8464 == \old(initial_state))) || 8672 <= s__state - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((s__hit == 0 && s__state <= 8560) && blastFlag <= 2) && 8528 <= s__state) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__state <= 8560) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && 7 <= blastFlag)) || !(8464 == \old(initial_state))) || ((blastFlag <= 1 && s__state <= 8560) && 8528 <= s__state) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && 8672 <= s__state) || (blastFlag <= 4 && 8672 <= s__state)) || ((s__hit == 0 && blastFlag <= 7) && 8672 <= s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && s__state <= 8560) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && 8528 <= s__state) && 6 == blastFlag) || (((s__hit == 0 && s__state <= 8560) && blastFlag <= 2) && 8528 <= s__state)) || ((s__state <= 8560 && blastFlag <= 1) && 8528 <= s__state)) || !(8464 == \old(initial_state))) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && s__state <= 8560) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && 7 <= blastFlag) - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: (((((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && s__state <= 8560) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && l == s__s3__tmp__new_cipher__algorithms) && 8528 <= s__state) && 7 <= blastFlag) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && s__state <= 8560) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && l == s__s3__tmp__new_cipher__algorithms) && 8528 <= s__state) && 6 == blastFlag)) || (((s__state <= 8560 && blastFlag <= 1) && l == s__s3__tmp__new_cipher__algorithms) && 8528 <= s__state)) || ((((s__hit == 0 && s__state <= 8560) && l == s__s3__tmp__new_cipher__algorithms) && blastFlag <= 2) && 8528 <= s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && 7 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576) || (blastFlag <= 1 && 8528 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && 8528 <= s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && 8672 <= s__state) || ((s__hit == 0 && blastFlag <= 4) && s__state == 8656)) || (blastFlag <= 2 && s__state == 8656)) || (((s__hit == 0 && blastFlag <= 7) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (((blastFlag <= 4 && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || ((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state == 8656) && 7 <= blastFlag)) || (s__hit == 0 && blastFlag <= 2)) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8608) && 7 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (blastFlag <= 4 && 8672 <= s__state)) || ((((8639 < s__state && blastFlag <= 4) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || ((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && s__state <= 8528) && 8528 <= s__state) && 6 == blastFlag)) || blastFlag <= 1) || ((s__hit == 0 && blastFlag <= 7) && 8672 <= s__state)) || !(8464 == \old(initial_state))) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && s__state <= 8560) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && 7 <= blastFlag)) || ((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && 8639 < s__state) && blastFlag <= 7) && s__state <= 8640) && 7 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && s__state <= 8528) && blastFlag <= 2) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8528) && s__s3__tmp__next_state___0 <= 8576) && 7 <= blastFlag)) || (blastFlag <= 1 && s__state <= 8528)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3) || ((s__hit == 0 && blastFlag <= 2) && s__state <= 8448)) || (blastFlag <= 1 && s__state <= 8448)) || (((s__hit == 0 && blastFlag <= 7) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (((blastFlag <= 4 && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) && 7 <= blastFlag)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && s__state <= 8528) && blastFlag <= 2) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8528) && s__s3__tmp__next_state___0 <= 8576) && 7 <= blastFlag)) || (blastFlag <= 1 && s__state <= 8528)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((((s__hit == 0 && s__state <= 8560) && blastFlag <= 2) && 8528 <= s__state) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__state <= 8560) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && 7 <= blastFlag)) || !(8464 == \old(initial_state))) || ((blastFlag <= 1 && s__state <= 8560) && 8528 <= s__state) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((s__hit == 0 && s__state <= 8560) && blastFlag <= 2) && 8528 <= s__state) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__state <= 8560) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && 7 <= blastFlag)) || !(8464 == \old(initial_state))) || ((blastFlag <= 1 && s__state <= 8560) && 8528 <= s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((blastFlag <= 1 && 8528 <= s__state) || ((((8639 < s__state && blastFlag <= 4) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || ((s__hit == 0 && blastFlag <= 2) && 8528 <= s__state)) || !(8464 == \old(initial_state))) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && 8639 < s__state) && blastFlag <= 7) && s__state <= 8640) && 7 <= blastFlag) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && s__state <= 8528) && blastFlag <= 2) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8528) && s__s3__tmp__next_state___0 <= 8576) && 7 <= blastFlag)) || (blastFlag <= 1 && s__state <= 8528)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && 8672 <= s__state) || ((s__hit == 0 && blastFlag <= 4) && s__state == 8656)) || (blastFlag <= 2 && s__state == 8656)) || (((s__hit == 0 && blastFlag <= 7) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (((blastFlag <= 4 && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || ((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state == 8656) && 7 <= blastFlag)) || (s__hit == 0 && blastFlag <= 2)) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8608) && 7 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (blastFlag <= 4 && 8672 <= s__state)) || ((((8639 < s__state && blastFlag <= 4) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || ((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && s__state <= 8528) && 8528 <= s__state) && 6 == blastFlag)) || blastFlag <= 1) || ((s__hit == 0 && blastFlag <= 7) && 8672 <= s__state)) || !(8464 == \old(initial_state))) || (((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && s__state <= 8560) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && 8528 <= s__state) && 7 <= blastFlag)) || ((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && 8639 < s__state) && blastFlag <= 7) && s__state <= 8640) && 7 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((blastFlag <= 1 && s__state <= 8592) && 8528 <= s__state) || (((s__hit == 0 && blastFlag <= 2) && s__state <= 8592) && 8528 <= s__state)) || ((((((((s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__hit == 0) && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms) && blastFlag <= 7) && s__state <= 8592) && 8528 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 7 <= blastFlag)) || !(8464 == \old(initial_state)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 154 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.9s, OverallIterations: 24, TraceHistogramMax: 14, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6146 SDtfs, 3385 SDslu, 5533 SDs, 0 SdLazy, 2230 SolverSat, 502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31046occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.4s AutomataMinimizationTime, 24 MinimizatonAttempts, 11934 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 1007 NumberOfFragments, 1809 HoareAnnotationTreeSize, 32 FomulaSimplifications, 156743 FormulaSimplificationTreeSizeReduction, 4.9s HoareSimplificationTime, 32 FomulaSimplificationsInter, 74235 FormulaSimplificationTreeSizeReductionInter, 13.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 4414 NumberOfCodeBlocks, 4414 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4390 ConstructedInterpolants, 0 QuantifiedInterpolants, 1594000 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 9680/9754 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...