/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 [2020-10-14 10:08:30,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:08:30,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:08:30,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:08:30,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:08:30,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:08:30,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:08:30,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:08:30,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:08:30,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:08:30,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:08:30,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:08:30,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:08:30,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:08:30,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:08:30,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:08:30,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:08:30,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:08:30,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:08:30,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:08:30,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:08:30,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:08:30,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:08:30,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:08:30,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:08:30,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:08:30,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:08:30,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:08:30,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:08:30,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:08:30,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:08:30,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:08:30,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:08:30,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:08:30,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:08:30,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:08:30,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:08:30,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:08:30,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:08:30,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:08:30,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:08:30,811 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 [2020-10-14 10:08:30,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:08:30,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:08:30,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:08:30,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:08:30,861 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:08:30,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:08:30,861 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:08:30,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:08:30,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:08:30,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:08:30,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:08:30,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:08:30,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:08:30,863 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:08:30,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:08:30,863 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:08:30,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:08:30,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:08:30,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:08:30,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:08:30,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:08:30,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:08:30,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:08:30,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:08:30,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:08:30,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:08:30,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:08:30,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:08:30,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:08:30,867 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:08:31,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:08:31,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:08:31,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:08:31,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:08:31,208 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:08:31,208 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_7.cil.c [2020-10-14 10:08:31,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b129dc26a/1d6c47f4d9f84131a3cc27feee6b9aca/FLAG39f21513a [2020-10-14 10:08:31,767 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:08:31,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_7.cil.c [2020-10-14 10:08:31,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b129dc26a/1d6c47f4d9f84131a3cc27feee6b9aca/FLAG39f21513a [2020-10-14 10:08:32,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b129dc26a/1d6c47f4d9f84131a3cc27feee6b9aca [2020-10-14 10:08:32,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:08:32,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:08:32,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:08:32,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:08:32,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:08:32,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ed4c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32, skipping insertion in model container [2020-10-14 10:08:32,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:08:32,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:08:32,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:08:32,563 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:08:32,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:08:32,636 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:08:32,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32 WrapperNode [2020-10-14 10:08:32,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:08:32,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:08:32,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:08:32,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:08:32,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (1/1) ... [2020-10-14 10:08:32,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:08:32,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:08:32,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:08:32,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:08:32,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (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 [2020-10-14 10:08:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:08:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:08:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 10:08:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:08:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:08:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 10:08:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:08:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 10:08:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 10:08:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:08:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:08:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:08:32,961 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 10:08:33,454 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-14 10:08:33,455 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-14 10:08:33,466 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:08:33,466 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 10:08:33,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:33 BoogieIcfgContainer [2020-10-14 10:08:33,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:08:33,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:08:33,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:08:33,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:08:33,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:08:32" (1/3) ... [2020-10-14 10:08:33,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac4da0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:33, skipping insertion in model container [2020-10-14 10:08:33,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:32" (2/3) ... [2020-10-14 10:08:33,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac4da0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:33, skipping insertion in model container [2020-10-14 10:08:33,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:33" (3/3) ... [2020-10-14 10:08:33,481 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_7.cil.c [2020-10-14 10:08:33,491 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:08:33,499 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:08:33,513 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:08:33,538 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:08:33,538 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:08:33,539 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:08:33,539 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:08:33,539 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:08:33,539 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:08:33,539 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:08:33,539 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:08:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-14 10:08:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 10:08:33,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:33,571 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] [2020-10-14 10:08:33,572 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:33,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:33,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1198514108, now seen corresponding path program 1 times [2020-10-14 10:08:33,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:33,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066363952] [2020-10-14 10:08:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 10:08:34,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:34,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-14 10:08:34,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 10:08:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 10:08:34,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:08:34,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:34,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:08:34,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066363952] [2020-10-14 10:08:34,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:34,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:34,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675779395] [2020-10-14 10:08:34,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:34,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:34,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:34,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:34,290 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-10-14 10:08:34,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:34,422 INFO L93 Difference]: Finished difference Result 429 states and 732 transitions. [2020-10-14 10:08:34,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:34,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-10-14 10:08:34,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:34,439 INFO L225 Difference]: With dead ends: 429 [2020-10-14 10:08:34,439 INFO L226 Difference]: Without dead ends: 261 [2020-10-14 10:08:34,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:34,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-10-14 10:08:34,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2020-10-14 10:08:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-10-14 10:08:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 395 transitions. [2020-10-14 10:08:34,508 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 395 transitions. Word has length 38 [2020-10-14 10:08:34,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:34,508 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 395 transitions. [2020-10-14 10:08:34,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 395 transitions. [2020-10-14 10:08:34,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 10:08:34,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:34,513 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] [2020-10-14 10:08:34,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:08:34,513 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash 412718141, now seen corresponding path program 1 times [2020-10-14 10:08:34,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:34,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179974212] [2020-10-14 10:08:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 10:08:34,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-10-14 10:08:34,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 10:08:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 10:08:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:34,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:34,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:34,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:34,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:34,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:34,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:08:34,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179974212] [2020-10-14 10:08:34,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:34,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:34,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985530436] [2020-10-14 10:08:34,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:34,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:34,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:34,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:34,912 INFO L87 Difference]: Start difference. First operand 261 states and 395 transitions. Second operand 3 states. [2020-10-14 10:08:35,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:35,000 INFO L93 Difference]: Finished difference Result 509 states and 782 transitions. [2020-10-14 10:08:35,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:35,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-10-14 10:08:35,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:35,005 INFO L225 Difference]: With dead ends: 509 [2020-10-14 10:08:35,005 INFO L226 Difference]: Without dead ends: 384 [2020-10-14 10:08:35,007 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 [2020-10-14 10:08:35,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-10-14 10:08:35,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2020-10-14 10:08:35,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-10-14 10:08:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 580 transitions. [2020-10-14 10:08:35,064 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 580 transitions. Word has length 54 [2020-10-14 10:08:35,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:35,065 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 580 transitions. [2020-10-14 10:08:35,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 580 transitions. [2020-10-14 10:08:35,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-14 10:08:35,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:35,077 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] [2020-10-14 10:08:35,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:08:35,077 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:35,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:35,080 INFO L82 PathProgramCache]: Analyzing trace with hash 516084045, now seen corresponding path program 1 times [2020-10-14 10:08:35,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:35,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387626923] [2020-10-14 10:08:35,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 10:08:35,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:35,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-14 10:08:35,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 10:08:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 10:08:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:35,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:35,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:35,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:35,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 10:08:35,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387626923] [2020-10-14 10:08:35,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:35,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:35,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387309049] [2020-10-14 10:08:35,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:35,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:35,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:35,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:35,389 INFO L87 Difference]: Start difference. First operand 384 states and 580 transitions. Second operand 3 states. [2020-10-14 10:08:35,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:35,481 INFO L93 Difference]: Finished difference Result 755 states and 1152 transitions. [2020-10-14 10:08:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:35,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-10-14 10:08:35,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:35,488 INFO L225 Difference]: With dead ends: 755 [2020-10-14 10:08:35,488 INFO L226 Difference]: Without dead ends: 507 [2020-10-14 10:08:35,491 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 [2020-10-14 10:08:35,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-14 10:08:35,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2020-10-14 10:08:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-14 10:08:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 767 transitions. [2020-10-14 10:08:35,530 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 767 transitions. Word has length 75 [2020-10-14 10:08:35,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:35,531 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 767 transitions. [2020-10-14 10:08:35,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 767 transitions. [2020-10-14 10:08:35,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-14 10:08:35,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:35,540 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] [2020-10-14 10:08:35,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:08:35,541 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:35,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:35,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1319359339, now seen corresponding path program 1 times [2020-10-14 10:08:35,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:35,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132556498] [2020-10-14 10:08:35,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 10:08:35,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-14 10:08:35,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 10:08:35,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 10:08:35,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 10:08:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:36,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:36,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:36,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:36,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:36,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:36,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:36,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 10:08:36,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132556498] [2020-10-14 10:08:36,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:36,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:36,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578444281] [2020-10-14 10:08:36,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:36,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:36,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:36,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:36,039 INFO L87 Difference]: Start difference. First operand 507 states and 767 transitions. Second operand 3 states. [2020-10-14 10:08:36,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:36,127 INFO L93 Difference]: Finished difference Result 1003 states and 1527 transitions. [2020-10-14 10:08:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:36,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-14 10:08:36,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:36,134 INFO L225 Difference]: With dead ends: 1003 [2020-10-14 10:08:36,134 INFO L226 Difference]: Without dead ends: 632 [2020-10-14 10:08:36,135 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 [2020-10-14 10:08:36,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-14 10:08:36,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 630. [2020-10-14 10:08:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-14 10:08:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 958 transitions. [2020-10-14 10:08:36,158 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 958 transitions. Word has length 98 [2020-10-14 10:08:36,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:36,159 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 958 transitions. [2020-10-14 10:08:36,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 958 transitions. [2020-10-14 10:08:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-14 10:08:36,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:36,162 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:36,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:08:36,162 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:36,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:36,162 INFO L82 PathProgramCache]: Analyzing trace with hash 863998103, now seen corresponding path program 1 times [2020-10-14 10:08:36,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:36,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758148633] [2020-10-14 10:08:36,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:36,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:36,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 10:08:36,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:36,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-14 10:08:36,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:36,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 10:08:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 10:08:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:36,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:36,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:36,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:36,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:36,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:36,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:36,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 10:08:36,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758148633] [2020-10-14 10:08:36,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:36,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:36,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530809660] [2020-10-14 10:08:36,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:36,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:36,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:36,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:36,603 INFO L87 Difference]: Start difference. First operand 630 states and 958 transitions. Second operand 3 states. [2020-10-14 10:08:36,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:36,672 INFO L93 Difference]: Finished difference Result 1249 states and 1907 transitions. [2020-10-14 10:08:36,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:36,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-14 10:08:36,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:36,677 INFO L225 Difference]: With dead ends: 1249 [2020-10-14 10:08:36,677 INFO L226 Difference]: Without dead ends: 755 [2020-10-14 10:08:36,679 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 [2020-10-14 10:08:36,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-10-14 10:08:36,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 753. [2020-10-14 10:08:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-10-14 10:08:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1135 transitions. [2020-10-14 10:08:36,703 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1135 transitions. Word has length 105 [2020-10-14 10:08:36,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:36,704 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 1135 transitions. [2020-10-14 10:08:36,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1135 transitions. [2020-10-14 10:08:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 10:08:36,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:36,712 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, 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] [2020-10-14 10:08:36,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:08:36,712 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:36,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:36,713 INFO L82 PathProgramCache]: Analyzing trace with hash -776835892, now seen corresponding path program 1 times [2020-10-14 10:08:36,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:36,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126250958] [2020-10-14 10:08:36,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:36,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:36,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 10:08:36,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:36,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-14 10:08:36,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:36,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:36,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 10:08:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 10:08:36,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 10:08:37,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:37,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:37,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:37,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:37,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:37,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:37,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 10:08:37,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126250958] [2020-10-14 10:08:37,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:37,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:37,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181454672] [2020-10-14 10:08:37,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:37,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:37,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:37,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:37,042 INFO L87 Difference]: Start difference. First operand 753 states and 1135 transitions. Second operand 3 states. [2020-10-14 10:08:37,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:37,118 INFO L93 Difference]: Finished difference Result 1493 states and 2260 transitions. [2020-10-14 10:08:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:37,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-14 10:08:37,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:37,128 INFO L225 Difference]: With dead ends: 1493 [2020-10-14 10:08:37,128 INFO L226 Difference]: Without dead ends: 876 [2020-10-14 10:08:37,129 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 [2020-10-14 10:08:37,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-10-14 10:08:37,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2020-10-14 10:08:37,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2020-10-14 10:08:37,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1323 transitions. [2020-10-14 10:08:37,160 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1323 transitions. Word has length 122 [2020-10-14 10:08:37,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:37,161 INFO L479 AbstractCegarLoop]: Abstraction has 876 states and 1323 transitions. [2020-10-14 10:08:37,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:37,161 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1323 transitions. [2020-10-14 10:08:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 10:08:37,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:37,164 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] [2020-10-14 10:08:37,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:08:37,164 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:37,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:37,164 INFO L82 PathProgramCache]: Analyzing trace with hash 968591760, now seen corresponding path program 1 times [2020-10-14 10:08:37,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:37,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390700473] [2020-10-14 10:08:37,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 10:08:37,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:37,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-14 10:08:37,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:37,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 10:08:37,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 10:08:37,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:37,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:37,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:37,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:37,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:37,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 10:08:37,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390700473] [2020-10-14 10:08:37,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:37,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:37,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312672989] [2020-10-14 10:08:37,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:37,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:37,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:37,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:37,438 INFO L87 Difference]: Start difference. First operand 876 states and 1323 transitions. Second operand 3 states. [2020-10-14 10:08:37,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:37,518 INFO L93 Difference]: Finished difference Result 1003 states and 1511 transitions. [2020-10-14 10:08:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:37,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-10-14 10:08:37,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:37,525 INFO L225 Difference]: With dead ends: 1003 [2020-10-14 10:08:37,525 INFO L226 Difference]: Without dead ends: 1001 [2020-10-14 10:08:37,526 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 [2020-10-14 10:08:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-14 10:08:37,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 999. [2020-10-14 10:08:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-14 10:08:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1508 transitions. [2020-10-14 10:08:37,557 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1508 transitions. Word has length 125 [2020-10-14 10:08:37,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:37,557 INFO L479 AbstractCegarLoop]: Abstraction has 999 states and 1508 transitions. [2020-10-14 10:08:37,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1508 transitions. [2020-10-14 10:08:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 10:08:37,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:37,561 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:08:37,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:08:37,561 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:37,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1049979161, now seen corresponding path program 1 times [2020-10-14 10:08:37,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:37,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929333819] [2020-10-14 10:08:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 10:08:37,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-14 10:08:37,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-14 10:08:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 10:08:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:37,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:37,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:37,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:37,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:37,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:37,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:37,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-14 10:08:37,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1929333819] [2020-10-14 10:08:37,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:37,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:37,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816964168] [2020-10-14 10:08:37,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:37,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:37,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:37,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:37,897 INFO L87 Difference]: Start difference. First operand 999 states and 1508 transitions. Second operand 3 states. [2020-10-14 10:08:38,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:38,011 INFO L93 Difference]: Finished difference Result 1370 states and 2071 transitions. [2020-10-14 10:08:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:38,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-14 10:08:38,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:38,020 INFO L225 Difference]: With dead ends: 1370 [2020-10-14 10:08:38,020 INFO L226 Difference]: Without dead ends: 1122 [2020-10-14 10:08:38,022 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 [2020-10-14 10:08:38,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-10-14 10:08:38,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1122. [2020-10-14 10:08:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-10-14 10:08:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1697 transitions. [2020-10-14 10:08:38,078 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1697 transitions. Word has length 164 [2020-10-14 10:08:38,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:38,079 INFO L479 AbstractCegarLoop]: Abstraction has 1122 states and 1697 transitions. [2020-10-14 10:08:38,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:38,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1697 transitions. [2020-10-14 10:08:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-14 10:08:38,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:38,084 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:38,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:08:38,085 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:38,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:38,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1829818110, now seen corresponding path program 1 times [2020-10-14 10:08:38,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:38,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711394565] [2020-10-14 10:08:38,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:38,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:38,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:08:38,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:38,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-14 10:08:38,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:38,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:38,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 10:08:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:08:38,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:38,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:38,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:38,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:38,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:38,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:38,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:38,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:38,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:38,626 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 10:08:38,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711394565] [2020-10-14 10:08:38,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:38,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:38,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744678867] [2020-10-14 10:08:38,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:38,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:38,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:38,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:38,629 INFO L87 Difference]: Start difference. First operand 1122 states and 1697 transitions. Second operand 3 states. [2020-10-14 10:08:38,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:38,892 INFO L93 Difference]: Finished difference Result 2809 states and 4369 transitions. [2020-10-14 10:08:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:38,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-10-14 10:08:38,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:38,902 INFO L225 Difference]: With dead ends: 2809 [2020-10-14 10:08:38,902 INFO L226 Difference]: Without dead ends: 1592 [2020-10-14 10:08:38,906 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 [2020-10-14 10:08:38,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2020-10-14 10:08:38,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1500. [2020-10-14 10:08:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2020-10-14 10:08:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2273 transitions. [2020-10-14 10:08:38,953 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2273 transitions. Word has length 167 [2020-10-14 10:08:38,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:38,953 INFO L479 AbstractCegarLoop]: Abstraction has 1500 states and 2273 transitions. [2020-10-14 10:08:38,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:38,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2273 transitions. [2020-10-14 10:08:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-14 10:08:38,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:38,959 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:38,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:08:38,959 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:38,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:38,959 INFO L82 PathProgramCache]: Analyzing trace with hash -123593654, now seen corresponding path program 1 times [2020-10-14 10:08:38,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:38,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829473106] [2020-10-14 10:08:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:39,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-14 10:08:39,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-14 10:08:39,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:39,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-10-14 10:08:39,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:08:39,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:39,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:39,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:39,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:39,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:39,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:39,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:39,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-10-14 10:08:39,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829473106] [2020-10-14 10:08:39,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:39,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:39,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865775548] [2020-10-14 10:08:39,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:39,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:39,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:39,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:39,458 INFO L87 Difference]: Start difference. First operand 1500 states and 2273 transitions. Second operand 3 states. [2020-10-14 10:08:39,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:39,690 INFO L93 Difference]: Finished difference Result 3383 states and 5267 transitions. [2020-10-14 10:08:39,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:39,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-10-14 10:08:39,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:39,700 INFO L225 Difference]: With dead ends: 3383 [2020-10-14 10:08:39,701 INFO L226 Difference]: Without dead ends: 1896 [2020-10-14 10:08:39,704 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 [2020-10-14 10:08:39,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2020-10-14 10:08:39,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1869. [2020-10-14 10:08:39,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1869 states. [2020-10-14 10:08:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2714 transitions. [2020-10-14 10:08:39,760 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2714 transitions. Word has length 188 [2020-10-14 10:08:39,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:39,761 INFO L479 AbstractCegarLoop]: Abstraction has 1869 states and 2714 transitions. [2020-10-14 10:08:39,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2714 transitions. [2020-10-14 10:08:39,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 10:08:39,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:39,766 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:39,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:08:39,767 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:39,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:39,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1063022949, now seen corresponding path program 1 times [2020-10-14 10:08:39,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:39,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955922798] [2020-10-14 10:08:39,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:39,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-14 10:08:41,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:08:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1310 [2020-10-14 10:08:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:41,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-14 10:08:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:08:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:41,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:41,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:41,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-10-14 10:08:41,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955922798] [2020-10-14 10:08:41,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:41,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:41,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290446178] [2020-10-14 10:08:41,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:41,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:41,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:41,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:41,174 INFO L87 Difference]: Start difference. First operand 1869 states and 2714 transitions. Second operand 3 states. [2020-10-14 10:08:41,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:41,421 INFO L93 Difference]: Finished difference Result 4031 states and 5897 transitions. [2020-10-14 10:08:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:41,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-10-14 10:08:41,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:41,432 INFO L225 Difference]: With dead ends: 4031 [2020-10-14 10:08:41,433 INFO L226 Difference]: Without dead ends: 2175 [2020-10-14 10:08:41,436 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 [2020-10-14 10:08:41,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2020-10-14 10:08:41,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 2112. [2020-10-14 10:08:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2112 states. [2020-10-14 10:08:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 3056 transitions. [2020-10-14 10:08:41,499 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 3056 transitions. Word has length 201 [2020-10-14 10:08:41,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:41,500 INFO L479 AbstractCegarLoop]: Abstraction has 2112 states and 3056 transitions. [2020-10-14 10:08:41,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 3056 transitions. [2020-10-14 10:08:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 10:08:41,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:41,508 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:41,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:08:41,509 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:41,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:41,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1496925288, now seen corresponding path program 1 times [2020-10-14 10:08:41,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:41,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116596545] [2020-10-14 10:08:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:44,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 10:08:44,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 10:08:44,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2868 [2020-10-14 10:08:44,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:44,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-10-14 10:08:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:08:44,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:44,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:44,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:44,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:44,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:44,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:44,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:44,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:44,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2020-10-14 10:08:44,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116596545] [2020-10-14 10:08:44,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:44,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:44,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161986238] [2020-10-14 10:08:44,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:44,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:44,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:44,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:44,482 INFO L87 Difference]: Start difference. First operand 2112 states and 3056 transitions. Second operand 3 states. [2020-10-14 10:08:44,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:44,680 INFO L93 Difference]: Finished difference Result 4535 states and 6613 transitions. [2020-10-14 10:08:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:44,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-10-14 10:08:44,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:44,692 INFO L225 Difference]: With dead ends: 4535 [2020-10-14 10:08:44,692 INFO L226 Difference]: Without dead ends: 2436 [2020-10-14 10:08:44,697 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 [2020-10-14 10:08:44,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2020-10-14 10:08:44,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2301. [2020-10-14 10:08:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2301 states. [2020-10-14 10:08:44,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 3371 transitions. [2020-10-14 10:08:44,761 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 3371 transitions. Word has length 217 [2020-10-14 10:08:44,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:44,762 INFO L479 AbstractCegarLoop]: Abstraction has 2301 states and 3371 transitions. [2020-10-14 10:08:44,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:44,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 3371 transitions. [2020-10-14 10:08:44,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-14 10:08:44,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:44,769 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:44,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:08:44,769 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:44,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:44,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1557770602, now seen corresponding path program 1 times [2020-10-14 10:08:44,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:44,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464879516] [2020-10-14 10:08:44,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:44,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:46,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 10:08:46,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:08:46,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1813 [2020-10-14 10:08:46,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:46,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-14 10:08:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:08:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:46,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:46,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:46,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:46,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:46,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:46,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:46,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:46,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-10-14 10:08:46,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464879516] [2020-10-14 10:08:46,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:46,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:46,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933359395] [2020-10-14 10:08:46,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:46,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:46,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:46,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:46,735 INFO L87 Difference]: Start difference. First operand 2301 states and 3371 transitions. Second operand 3 states. [2020-10-14 10:08:46,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:46,979 INFO L93 Difference]: Finished difference Result 5264 states and 7841 transitions. [2020-10-14 10:08:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:46,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-10-14 10:08:46,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:46,994 INFO L225 Difference]: With dead ends: 5264 [2020-10-14 10:08:46,994 INFO L226 Difference]: Without dead ends: 2832 [2020-10-14 10:08:46,999 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 [2020-10-14 10:08:47,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2020-10-14 10:08:47,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2715. [2020-10-14 10:08:47,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2715 states. [2020-10-14 10:08:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3911 transitions. [2020-10-14 10:08:47,077 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3911 transitions. Word has length 229 [2020-10-14 10:08:47,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:47,078 INFO L479 AbstractCegarLoop]: Abstraction has 2715 states and 3911 transitions. [2020-10-14 10:08:47,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3911 transitions. [2020-10-14 10:08:47,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 10:08:47,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:47,086 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:47,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 10:08:47,086 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:47,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:47,087 INFO L82 PathProgramCache]: Analyzing trace with hash -2078281686, now seen corresponding path program 1 times [2020-10-14 10:08:47,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:47,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892564700] [2020-10-14 10:08:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:47,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:49,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-14 10:08:49,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:08:49,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2580 [2020-10-14 10:08:49,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:49,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-14 10:08:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:08:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:49,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:49,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:49,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:49,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:49,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:49,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:49,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-10-14 10:08:49,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892564700] [2020-10-14 10:08:49,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:49,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:49,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186457097] [2020-10-14 10:08:49,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:49,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:49,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:49,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:49,785 INFO L87 Difference]: Start difference. First operand 2715 states and 3911 transitions. Second operand 3 states. [2020-10-14 10:08:50,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:50,060 INFO L93 Difference]: Finished difference Result 5813 states and 8399 transitions. [2020-10-14 10:08:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:50,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-14 10:08:50,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:50,076 INFO L225 Difference]: With dead ends: 5813 [2020-10-14 10:08:50,076 INFO L226 Difference]: Without dead ends: 3012 [2020-10-14 10:08:50,081 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 [2020-10-14 10:08:50,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2020-10-14 10:08:50,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2895. [2020-10-14 10:08:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2020-10-14 10:08:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 4163 transitions. [2020-10-14 10:08:50,165 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 4163 transitions. Word has length 230 [2020-10-14 10:08:50,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:50,166 INFO L479 AbstractCegarLoop]: Abstraction has 2895 states and 4163 transitions. [2020-10-14 10:08:50,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:50,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 4163 transitions. [2020-10-14 10:08:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-14 10:08:50,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:50,174 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:50,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 10:08:50,175 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:50,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:50,175 INFO L82 PathProgramCache]: Analyzing trace with hash -202683580, now seen corresponding path program 1 times [2020-10-14 10:08:50,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:50,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629209848] [2020-10-14 10:08:50,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:50,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 10:08:51,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:08:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1477 [2020-10-14 10:08:51,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:51,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-14 10:08:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:08:51,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:51,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:51,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:51,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:51,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:51,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2020-10-14 10:08:51,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629209848] [2020-10-14 10:08:51,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:51,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:51,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569590381] [2020-10-14 10:08:51,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:51,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:51,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:51,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:51,765 INFO L87 Difference]: Start difference. First operand 2895 states and 4163 transitions. Second operand 3 states. [2020-10-14 10:08:52,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:52,010 INFO L93 Difference]: Finished difference Result 6173 states and 8993 transitions. [2020-10-14 10:08:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:52,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-10-14 10:08:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:52,027 INFO L225 Difference]: With dead ends: 6173 [2020-10-14 10:08:52,028 INFO L226 Difference]: Without dead ends: 3291 [2020-10-14 10:08:52,034 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 [2020-10-14 10:08:52,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3291 states. [2020-10-14 10:08:52,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3291 to 3246. [2020-10-14 10:08:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3246 states. [2020-10-14 10:08:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 3246 states and 4586 transitions. [2020-10-14 10:08:52,124 INFO L78 Accepts]: Start accepts. Automaton has 3246 states and 4586 transitions. Word has length 239 [2020-10-14 10:08:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:52,125 INFO L479 AbstractCegarLoop]: Abstraction has 3246 states and 4586 transitions. [2020-10-14 10:08:52,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 4586 transitions. [2020-10-14 10:08:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-14 10:08:52,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:52,133 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:52,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 10:08:52,134 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:52,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:52,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1782205624, now seen corresponding path program 1 times [2020-10-14 10:08:52,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:52,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566061038] [2020-10-14 10:08:52,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:52,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:53,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:53,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:53,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 10:08:53,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:53,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1347 [2020-10-14 10:08:53,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:53,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:53,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:53,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-14 10:08:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-14 10:08:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:53,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:53,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:53,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:53,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:53,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:53,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2020-10-14 10:08:53,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566061038] [2020-10-14 10:08:53,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:53,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:53,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305920821] [2020-10-14 10:08:53,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:53,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:53,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:53,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:53,596 INFO L87 Difference]: Start difference. First operand 3246 states and 4586 transitions. Second operand 3 states. [2020-10-14 10:08:53,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:53,728 INFO L93 Difference]: Finished difference Result 9676 states and 13688 transitions. [2020-10-14 10:08:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:53,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-10-14 10:08:53,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:53,759 INFO L225 Difference]: With dead ends: 9676 [2020-10-14 10:08:53,759 INFO L226 Difference]: Without dead ends: 6443 [2020-10-14 10:08:53,767 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 [2020-10-14 10:08:53,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6443 states. [2020-10-14 10:08:53,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6443 to 6441. [2020-10-14 10:08:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6441 states. [2020-10-14 10:08:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6441 states to 6441 states and 9091 transitions. [2020-10-14 10:08:53,962 INFO L78 Accepts]: Start accepts. Automaton has 6441 states and 9091 transitions. Word has length 239 [2020-10-14 10:08:53,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:53,962 INFO L479 AbstractCegarLoop]: Abstraction has 6441 states and 9091 transitions. [2020-10-14 10:08:53,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 6441 states and 9091 transitions. [2020-10-14 10:08:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-14 10:08:53,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:53,982 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:53,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 10:08:53,983 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:53,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:53,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1399272874, now seen corresponding path program 1 times [2020-10-14 10:08:53,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:53,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206633851] [2020-10-14 10:08:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:54,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:56,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-14 10:08:56,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:08:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2256 [2020-10-14 10:08:56,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:56,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 10:08:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:56,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:56,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:56,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:56,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:56,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:56,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:56,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-10-14 10:08:56,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206633851] [2020-10-14 10:08:56,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:56,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:56,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786527158] [2020-10-14 10:08:56,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:56,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:56,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:56,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:56,413 INFO L87 Difference]: Start difference. First operand 6441 states and 9091 transitions. Second operand 3 states. [2020-10-14 10:08:56,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:56,524 INFO L93 Difference]: Finished difference Result 10290 states and 14526 transitions. [2020-10-14 10:08:56,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:56,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-10-14 10:08:56,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:56,552 INFO L225 Difference]: With dead ends: 10290 [2020-10-14 10:08:56,552 INFO L226 Difference]: Without dead ends: 7075 [2020-10-14 10:08:56,560 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 [2020-10-14 10:08:56,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2020-10-14 10:08:56,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 7073. [2020-10-14 10:08:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7073 states. [2020-10-14 10:08:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7073 states to 7073 states and 9974 transitions. [2020-10-14 10:08:56,729 INFO L78 Accepts]: Start accepts. Automaton has 7073 states and 9974 transitions. Word has length 241 [2020-10-14 10:08:56,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:56,730 INFO L479 AbstractCegarLoop]: Abstraction has 7073 states and 9974 transitions. [2020-10-14 10:08:56,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7073 states and 9974 transitions. [2020-10-14 10:08:56,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-14 10:08:56,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:56,752 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:56,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 10:08:56,753 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash -666192771, now seen corresponding path program 1 times [2020-10-14 10:08:56,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:56,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934052969] [2020-10-14 10:08:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:56,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-14 10:08:57,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-10-14 10:08:57,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:57,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:57,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 10:08:57,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 10:08:57,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:57,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:57,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:57,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:57,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:57,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:57,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:57,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-14 10:08:57,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934052969] [2020-10-14 10:08:57,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:57,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:57,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656164718] [2020-10-14 10:08:57,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:57,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:57,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:57,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:57,974 INFO L87 Difference]: Start difference. First operand 7073 states and 9974 transitions. Second operand 3 states. [2020-10-14 10:08:58,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:58,167 INFO L93 Difference]: Finished difference Result 21033 states and 29646 transitions. [2020-10-14 10:08:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:58,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-10-14 10:08:58,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:58,192 INFO L225 Difference]: With dead ends: 21033 [2020-10-14 10:08:58,192 INFO L226 Difference]: Without dead ends: 11879 [2020-10-14 10:08:58,212 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 [2020-10-14 10:08:58,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11879 states. [2020-10-14 10:08:58,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11879 to 11877. [2020-10-14 10:08:58,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11877 states. [2020-10-14 10:08:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11877 states to 11877 states and 16726 transitions. [2020-10-14 10:08:58,548 INFO L78 Accepts]: Start accepts. Automaton has 11877 states and 16726 transitions. Word has length 241 [2020-10-14 10:08:58,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:58,549 INFO L479 AbstractCegarLoop]: Abstraction has 11877 states and 16726 transitions. [2020-10-14 10:08:58,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 11877 states and 16726 transitions. [2020-10-14 10:08:58,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 10:08:58,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:58,580 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:58,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 10:08:58,581 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:58,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:58,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1958464646, now seen corresponding path program 1 times [2020-10-14 10:08:58,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:58,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056867460] [2020-10-14 10:08:58,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:58,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:59,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:59,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:00,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-14 10:09:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:09:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1486 [2020-10-14 10:09:00,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:00,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-14 10:09:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 10:09:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:00,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:00,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:00,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:00,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:00,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:00,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:00,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:00,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:00,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:00,189 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-14 10:09:00,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056867460] [2020-10-14 10:09:00,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:00,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:00,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056829206] [2020-10-14 10:09:00,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:00,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:00,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:00,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:00,192 INFO L87 Difference]: Start difference. First operand 11877 states and 16726 transitions. Second operand 3 states. [2020-10-14 10:09:00,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:00,469 INFO L93 Difference]: Finished difference Result 35585 states and 50104 transitions. [2020-10-14 10:09:00,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:00,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-14 10:09:00,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:00,517 INFO L225 Difference]: With dead ends: 35585 [2020-10-14 10:09:00,518 INFO L226 Difference]: Without dead ends: 23721 [2020-10-14 10:09:00,544 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 [2020-10-14 10:09:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23721 states. [2020-10-14 10:09:00,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23721 to 18915. [2020-10-14 10:09:00,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18915 states. [2020-10-14 10:09:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18915 states to 18915 states and 26616 transitions. [2020-10-14 10:09:00,939 INFO L78 Accepts]: Start accepts. Automaton has 18915 states and 26616 transitions. Word has length 243 [2020-10-14 10:09:00,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:00,940 INFO L479 AbstractCegarLoop]: Abstraction has 18915 states and 26616 transitions. [2020-10-14 10:09:00,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 18915 states and 26616 transitions. [2020-10-14 10:09:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-14 10:09:00,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:00,978 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 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] [2020-10-14 10:09:00,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 10:09:00,979 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:00,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:00,979 INFO L82 PathProgramCache]: Analyzing trace with hash 754594168, now seen corresponding path program 1 times [2020-10-14 10:09:00,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:00,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170539115] [2020-10-14 10:09:00,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:01,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:02,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:02,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-14 10:09:02,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:09:02,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1130 [2020-10-14 10:09:02,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:02,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 10:09:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 10:09:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:02,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:02,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:02,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:02,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:02,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:02,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:02,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:02,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:02,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-14 10:09:02,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170539115] [2020-10-14 10:09:02,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:02,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:02,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006616516] [2020-10-14 10:09:02,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:02,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:02,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:02,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:02,274 INFO L87 Difference]: Start difference. First operand 18915 states and 26616 transitions. Second operand 3 states. [2020-10-14 10:09:02,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:02,638 INFO L93 Difference]: Finished difference Result 44757 states and 62984 transitions. [2020-10-14 10:09:02,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:02,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2020-10-14 10:09:02,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:02,706 INFO L225 Difference]: With dead ends: 44757 [2020-10-14 10:09:02,706 INFO L226 Difference]: Without dead ends: 30787 [2020-10-14 10:09:02,733 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 [2020-10-14 10:09:02,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30787 states. [2020-10-14 10:09:03,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30787 to 30785. [2020-10-14 10:09:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30785 states. [2020-10-14 10:09:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30785 states to 30785 states and 43308 transitions. [2020-10-14 10:09:03,491 INFO L78 Accepts]: Start accepts. Automaton has 30785 states and 43308 transitions. Word has length 244 [2020-10-14 10:09:03,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:03,492 INFO L479 AbstractCegarLoop]: Abstraction has 30785 states and 43308 transitions. [2020-10-14 10:09:03,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 30785 states and 43308 transitions. [2020-10-14 10:09:03,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-14 10:09:03,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:03,531 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:03,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 10:09:03,532 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:03,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1141295618, now seen corresponding path program 1 times [2020-10-14 10:09:03,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:03,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569301547] [2020-10-14 10:09:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:03,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:03,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:03,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:03,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:03,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:06,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:06,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:06,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:08,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:08,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:09:08,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 10:09:08,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:09:08,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:08,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-14 10:09:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:09:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:08,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:08,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:08,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:08,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:08,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:09:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:08,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2020-10-14 10:09:08,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569301547] [2020-10-14 10:09:08,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:08,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:08,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761287275] [2020-10-14 10:09:08,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:08,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:08,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:08,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:08,681 INFO L87 Difference]: Start difference. First operand 30785 states and 43308 transitions. Second operand 3 states. [2020-10-14 10:09:09,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:09,255 INFO L93 Difference]: Finished difference Result 49791 states and 70636 transitions. [2020-10-14 10:09:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:09,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2020-10-14 10:09:09,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:09,329 INFO L225 Difference]: With dead ends: 49791 [2020-10-14 10:09:09,329 INFO L226 Difference]: Without dead ends: 32443 [2020-10-14 10:09:09,359 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 [2020-10-14 10:09:09,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32443 states. [2020-10-14 10:09:10,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32443 to 32177. [2020-10-14 10:09:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32177 states. [2020-10-14 10:09:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32177 states to 32177 states and 45468 transitions. [2020-10-14 10:09:10,059 INFO L78 Accepts]: Start accepts. Automaton has 32177 states and 45468 transitions. Word has length 245 [2020-10-14 10:09:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:10,060 INFO L479 AbstractCegarLoop]: Abstraction has 32177 states and 45468 transitions. [2020-10-14 10:09:10,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32177 states and 45468 transitions. [2020-10-14 10:09:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 10:09:10,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:10,098 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:10,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 10:09:10,099 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:10,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1937180351, now seen corresponding path program 1 times [2020-10-14 10:09:10,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:10,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130015842] [2020-10-14 10:09:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:10,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:11,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:11,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:12,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:12,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 10:09:12,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:09:12,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2859 [2020-10-14 10:09:12,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:12,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 235 [2020-10-14 10:09:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:09:12,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:13,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:13,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:13,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:13,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:13,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:13,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:13,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:13,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2020-10-14 10:09:13,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130015842] [2020-10-14 10:09:13,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:13,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:13,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651057639] [2020-10-14 10:09:13,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:13,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:13,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:13,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:13,081 INFO L87 Difference]: Start difference. First operand 32177 states and 45468 transitions. Second operand 3 states. [2020-10-14 10:09:13,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:13,618 INFO L93 Difference]: Finished difference Result 48190 states and 68051 transitions. [2020-10-14 10:09:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:13,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2020-10-14 10:09:13,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:13,708 INFO L225 Difference]: With dead ends: 48190 [2020-10-14 10:09:13,708 INFO L226 Difference]: Without dead ends: 33602 [2020-10-14 10:09:13,732 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 [2020-10-14 10:09:13,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33602 states. [2020-10-14 10:09:14,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33602 to 33074. [2020-10-14 10:09:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33074 states. [2020-10-14 10:09:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33074 states to 33074 states and 46755 transitions. [2020-10-14 10:09:14,627 INFO L78 Accepts]: Start accepts. Automaton has 33074 states and 46755 transitions. Word has length 258 [2020-10-14 10:09:14,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:14,628 INFO L479 AbstractCegarLoop]: Abstraction has 33074 states and 46755 transitions. [2020-10-14 10:09:14,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 33074 states and 46755 transitions. [2020-10-14 10:09:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-14 10:09:14,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:14,667 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:14,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 10:09:14,673 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:14,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:14,673 INFO L82 PathProgramCache]: Analyzing trace with hash -6130161, now seen corresponding path program 1 times [2020-10-14 10:09:14,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:14,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [336895738] [2020-10-14 10:09:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:14,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:15,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:15,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:16,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:17,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:17,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-14 10:09:17,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:09:17,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3243 [2020-10-14 10:09:17,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:17,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:17,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:17,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-14 10:09:17,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:09:17,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:17,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:17,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:17,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:17,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:17,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:17,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:17,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:17,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:17,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:17,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:17,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:17,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-10-14 10:09:18,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [336895738] [2020-10-14 10:09:18,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:18,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:18,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352913652] [2020-10-14 10:09:18,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:18,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:18,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:18,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:18,034 INFO L87 Difference]: Start difference. First operand 33074 states and 46755 transitions. Second operand 3 states. [2020-10-14 10:09:18,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:18,688 INFO L93 Difference]: Finished difference Result 67543 states and 95899 transitions. [2020-10-14 10:09:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:18,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2020-10-14 10:09:18,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:18,739 INFO L225 Difference]: With dead ends: 67543 [2020-10-14 10:09:18,739 INFO L226 Difference]: Without dead ends: 34394 [2020-10-14 10:09:18,775 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 [2020-10-14 10:09:18,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34394 states. [2020-10-14 10:09:19,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34394 to 34042. [2020-10-14 10:09:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34042 states. [2020-10-14 10:09:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34042 states to 34042 states and 47841 transitions. [2020-10-14 10:09:19,481 INFO L78 Accepts]: Start accepts. Automaton has 34042 states and 47841 transitions. Word has length 260 [2020-10-14 10:09:19,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:19,482 INFO L479 AbstractCegarLoop]: Abstraction has 34042 states and 47841 transitions. [2020-10-14 10:09:19,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 34042 states and 47841 transitions. [2020-10-14 10:09:19,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-14 10:09:19,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:19,537 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:19,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 10:09:19,537 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:19,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:19,537 INFO L82 PathProgramCache]: Analyzing trace with hash -7714485, now seen corresponding path program 1 times [2020-10-14 10:09:19,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:19,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265992315] [2020-10-14 10:09:19,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:19,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:20,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:20,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:21,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1449 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:21,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 10:09:21,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:09:21,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:21,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:21,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:21,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:21,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:21,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:21,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:21,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:21,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:21,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:21,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2020-10-14 10:09:21,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265992315] [2020-10-14 10:09:21,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:21,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:21,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471856245] [2020-10-14 10:09:21,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:21,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:21,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:21,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:21,082 INFO L87 Difference]: Start difference. First operand 34042 states and 47841 transitions. Second operand 3 states. [2020-10-14 10:09:21,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:21,633 INFO L93 Difference]: Finished difference Result 70535 states and 99361 transitions. [2020-10-14 10:09:21,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:21,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-10-14 10:09:21,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:21,688 INFO L225 Difference]: With dead ends: 70535 [2020-10-14 10:09:21,688 INFO L226 Difference]: Without dead ends: 36506 [2020-10-14 10:09:21,729 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 [2020-10-14 10:09:21,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36506 states. [2020-10-14 10:09:22,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36506 to 36330. [2020-10-14 10:09:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36330 states. [2020-10-14 10:09:22,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36330 states to 36330 states and 49345 transitions. [2020-10-14 10:09:22,462 INFO L78 Accepts]: Start accepts. Automaton has 36330 states and 49345 transitions. Word has length 277 [2020-10-14 10:09:22,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:22,462 INFO L479 AbstractCegarLoop]: Abstraction has 36330 states and 49345 transitions. [2020-10-14 10:09:22,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:22,463 INFO L276 IsEmpty]: Start isEmpty. Operand 36330 states and 49345 transitions. [2020-10-14 10:09:22,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-14 10:09:22,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:22,520 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:22,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 10:09:22,521 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:22,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:22,522 INFO L82 PathProgramCache]: Analyzing trace with hash 533587089, now seen corresponding path program 1 times [2020-10-14 10:09:22,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:22,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131268580] [2020-10-14 10:09:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:22,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:22,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:22,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:23,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:23,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-14 10:09:23,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:09:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-14 10:09:23,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:23,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:09:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-14 10:09:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 10:09:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:23,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:23,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:23,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:23,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:23,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 600 proven. 26 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-10-14 10:09:23,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131268580] [2020-10-14 10:09:23,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:23,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:09:23,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573426550] [2020-10-14 10:09:23,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:09:23,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:23,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:09:23,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:09:23,147 INFO L87 Difference]: Start difference. First operand 36330 states and 49345 transitions. Second operand 4 states. [2020-10-14 10:09:24,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:24,011 INFO L93 Difference]: Finished difference Result 89967 states and 122080 transitions. [2020-10-14 10:09:24,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:09:24,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 294 [2020-10-14 10:09:24,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:24,093 INFO L225 Difference]: With dead ends: 89967 [2020-10-14 10:09:24,094 INFO L226 Difference]: Without dead ends: 52682 [2020-10-14 10:09:24,143 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 [2020-10-14 10:09:24,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52682 states. [2020-10-14 10:09:24,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52682 to 43808. [2020-10-14 10:09:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43808 states. [2020-10-14 10:09:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43808 states to 43808 states and 59795 transitions. [2020-10-14 10:09:24,976 INFO L78 Accepts]: Start accepts. Automaton has 43808 states and 59795 transitions. Word has length 294 [2020-10-14 10:09:24,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:24,976 INFO L479 AbstractCegarLoop]: Abstraction has 43808 states and 59795 transitions. [2020-10-14 10:09:24,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:09:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 43808 states and 59795 transitions. [2020-10-14 10:09:25,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-14 10:09:25,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:25,228 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] [2020-10-14 10:09:25,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 10:09:25,229 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:25,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:25,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1875632044, now seen corresponding path program 1 times [2020-10-14 10:09:25,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:25,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960423425] [2020-10-14 10:09:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:25,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:25,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:25,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:25,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-14 10:09:25,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:09:25,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-14 10:09:25,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:25,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:09:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 10:09:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 10:09:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:25,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:25,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:25,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:25,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:25,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:25,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:09:25,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:25,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:25,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 631 proven. 26 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2020-10-14 10:09:25,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960423425] [2020-10-14 10:09:25,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:25,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:09:25,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604761821] [2020-10-14 10:09:25,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:09:25,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:25,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:09:25,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:09:25,654 INFO L87 Difference]: Start difference. First operand 43808 states and 59795 transitions. Second operand 4 states. [2020-10-14 10:09:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:26,388 INFO L93 Difference]: Finished difference Result 84886 states and 115572 transitions. [2020-10-14 10:09:26,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:09:26,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 303 [2020-10-14 10:09:26,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:26,444 INFO L225 Difference]: With dead ends: 84886 [2020-10-14 10:09:26,444 INFO L226 Difference]: Without dead ends: 44727 [2020-10-14 10:09:26,483 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 [2020-10-14 10:09:26,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44727 states. [2020-10-14 10:09:27,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44727 to 42258. [2020-10-14 10:09:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42258 states. [2020-10-14 10:09:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42258 states to 42258 states and 57273 transitions. [2020-10-14 10:09:27,154 INFO L78 Accepts]: Start accepts. Automaton has 42258 states and 57273 transitions. Word has length 303 [2020-10-14 10:09:27,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:27,154 INFO L479 AbstractCegarLoop]: Abstraction has 42258 states and 57273 transitions. [2020-10-14 10:09:27,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:09:27,154 INFO L276 IsEmpty]: Start isEmpty. Operand 42258 states and 57273 transitions. [2020-10-14 10:09:27,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-14 10:09:27,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:27,184 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 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, 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] [2020-10-14 10:09:27,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 10:09:27,184 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:27,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:27,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1588759982, now seen corresponding path program 1 times [2020-10-14 10:09:27,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:27,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883721209] [2020-10-14 10:09:27,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:27,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:27,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-14 10:09:27,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-14 10:09:27,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:27,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 10:09:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:09:27,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:27,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:27,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:27,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:27,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:27,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:27,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:27,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2020-10-14 10:09:27,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883721209] [2020-10-14 10:09:27,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:27,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:27,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114960296] [2020-10-14 10:09:27,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:27,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:27,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:27,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:27,602 INFO L87 Difference]: Start difference. First operand 42258 states and 57273 transitions. Second operand 3 states. [2020-10-14 10:09:28,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:28,144 INFO L93 Difference]: Finished difference Result 84511 states and 114537 transitions. [2020-10-14 10:09:28,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:28,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2020-10-14 10:09:28,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:28,188 INFO L225 Difference]: With dead ends: 84511 [2020-10-14 10:09:28,189 INFO L226 Difference]: Without dead ends: 42266 [2020-10-14 10:09:28,220 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 [2020-10-14 10:09:28,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42266 states. [2020-10-14 10:09:28,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42266 to 42258. [2020-10-14 10:09:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42258 states. [2020-10-14 10:09:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42258 states to 42258 states and 56733 transitions. [2020-10-14 10:09:28,807 INFO L78 Accepts]: Start accepts. Automaton has 42258 states and 56733 transitions. Word has length 312 [2020-10-14 10:09:28,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:28,808 INFO L479 AbstractCegarLoop]: Abstraction has 42258 states and 56733 transitions. [2020-10-14 10:09:28,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 42258 states and 56733 transitions. [2020-10-14 10:09:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-14 10:09:28,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:28,842 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 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, 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] [2020-10-14 10:09:28,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 10:09:28,842 INFO L427 AbstractCegarLoop]: === Iteration 28 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:28,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:28,842 INFO L82 PathProgramCache]: Analyzing trace with hash -630627056, now seen corresponding path program 1 times [2020-10-14 10:09:28,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:28,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2026850912] [2020-10-14 10:09:28,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:28,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:28,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-14 10:09:28,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:28,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 10:09:28,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:28,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:09:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 10:09:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 10:09:28,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:28,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:28,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:28,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 691 proven. 16 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-14 10:09:29,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2026850912] [2020-10-14 10:09:29,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:29,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:09:29,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364234735] [2020-10-14 10:09:29,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:09:29,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:29,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:09:29,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:09:29,031 INFO L87 Difference]: Start difference. First operand 42258 states and 56733 transitions. Second operand 4 states. [2020-10-14 10:09:29,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:29,933 INFO L93 Difference]: Finished difference Result 89602 states and 119621 transitions. [2020-10-14 10:09:29,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:09:29,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 324 [2020-10-14 10:09:29,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:29,980 INFO L225 Difference]: With dead ends: 89602 [2020-10-14 10:09:29,980 INFO L226 Difference]: Without dead ends: 47357 [2020-10-14 10:09:30,011 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 [2020-10-14 10:09:30,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47357 states. [2020-10-14 10:09:30,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47357 to 42994. [2020-10-14 10:09:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42994 states. [2020-10-14 10:09:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42994 states to 42994 states and 56037 transitions. [2020-10-14 10:09:30,575 INFO L78 Accepts]: Start accepts. Automaton has 42994 states and 56037 transitions. Word has length 324 [2020-10-14 10:09:30,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:30,576 INFO L479 AbstractCegarLoop]: Abstraction has 42994 states and 56037 transitions. [2020-10-14 10:09:30,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:09:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 42994 states and 56037 transitions. [2020-10-14 10:09:30,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-14 10:09:30,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:30,605 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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] [2020-10-14 10:09:30,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 10:09:30,606 INFO L427 AbstractCegarLoop]: === Iteration 29 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:30,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:30,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1793866143, now seen corresponding path program 1 times [2020-10-14 10:09:30,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:30,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600695753] [2020-10-14 10:09:30,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:30,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:30,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:30,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:30,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-14 10:09:30,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:09:30,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-14 10:09:30,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:30,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:30,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:30,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 10:09:30,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:09:30,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:30,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:30,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:30,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:30,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:30,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:30,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:30,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:30,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2020-10-14 10:09:30,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600695753] [2020-10-14 10:09:30,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:30,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:30,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821088913] [2020-10-14 10:09:30,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:30,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:30,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:30,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:30,860 INFO L87 Difference]: Start difference. First operand 42994 states and 56037 transitions. Second operand 3 states. [2020-10-14 10:09:31,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:31,460 INFO L93 Difference]: Finished difference Result 87698 states and 113781 transitions. [2020-10-14 10:09:31,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:31,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-10-14 10:09:31,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:31,790 INFO L225 Difference]: With dead ends: 87698 [2020-10-14 10:09:31,790 INFO L226 Difference]: Without dead ends: 46939 [2020-10-14 10:09:31,812 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 [2020-10-14 10:09:31,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46939 states. [2020-10-14 10:09:32,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46939 to 44772. [2020-10-14 10:09:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44772 states. [2020-10-14 10:09:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44772 states to 44772 states and 58450 transitions. [2020-10-14 10:09:32,372 INFO L78 Accepts]: Start accepts. Automaton has 44772 states and 58450 transitions. Word has length 327 [2020-10-14 10:09:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:32,373 INFO L479 AbstractCegarLoop]: Abstraction has 44772 states and 58450 transitions. [2020-10-14 10:09:32,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 44772 states and 58450 transitions. [2020-10-14 10:09:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-14 10:09:32,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:32,405 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 6, 6, 6, 6, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:32,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 10:09:32,405 INFO L427 AbstractCegarLoop]: === Iteration 30 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:32,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:32,406 INFO L82 PathProgramCache]: Analyzing trace with hash -211651886, now seen corresponding path program 1 times [2020-10-14 10:09:32,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:32,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736148421] [2020-10-14 10:09:32,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:32,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:32,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:32,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:32,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:32,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-14 10:09:32,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:09:32,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-14 10:09:32,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:32,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:32,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:32,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-14 10:09:32,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:09:32,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:32,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:32,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:32,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:32,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:32,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:32,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:32,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:32,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:32,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:32,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:32,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:32,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 812 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2020-10-14 10:09:32,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736148421] [2020-10-14 10:09:32,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:32,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:32,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960597041] [2020-10-14 10:09:32,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:32,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:32,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:32,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:32,746 INFO L87 Difference]: Start difference. First operand 44772 states and 58450 transitions. Second operand 3 states. [2020-10-14 10:09:33,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:33,369 INFO L93 Difference]: Finished difference Result 93369 states and 122152 transitions. [2020-10-14 10:09:33,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:33,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2020-10-14 10:09:33,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:33,430 INFO L225 Difference]: With dead ends: 93369 [2020-10-14 10:09:33,430 INFO L226 Difference]: Without dead ends: 48238 [2020-10-14 10:09:33,470 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 [2020-10-14 10:09:33,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48238 states. [2020-10-14 10:09:34,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48238 to 48036. [2020-10-14 10:09:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48036 states. [2020-10-14 10:09:34,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48036 states to 48036 states and 62770 transitions. [2020-10-14 10:09:34,460 INFO L78 Accepts]: Start accepts. Automaton has 48036 states and 62770 transitions. Word has length 363 [2020-10-14 10:09:34,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:34,461 INFO L479 AbstractCegarLoop]: Abstraction has 48036 states and 62770 transitions. [2020-10-14 10:09:34,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 48036 states and 62770 transitions. [2020-10-14 10:09:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-14 10:09:34,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:34,495 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:34,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 10:09:34,495 INFO L427 AbstractCegarLoop]: === Iteration 31 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:34,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:34,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1004200358, now seen corresponding path program 1 times [2020-10-14 10:09:34,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:34,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074381873] [2020-10-14 10:09:34,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:34,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:34,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:34,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:34,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 401 [2020-10-14 10:09:34,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:09:34,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-14 10:09:34,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:34,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-10-14 10:09:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:09:34,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:34,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:34,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:34,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:34,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:34,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:34,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:34,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:34,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:34,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 868 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2020-10-14 10:09:34,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074381873] [2020-10-14 10:09:34,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:34,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:34,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367327084] [2020-10-14 10:09:34,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:34,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:34,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:34,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:34,784 INFO L87 Difference]: Start difference. First operand 48036 states and 62770 transitions. Second operand 3 states. [2020-10-14 10:09:35,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:35,211 INFO L93 Difference]: Finished difference Result 76647 states and 99371 transitions. [2020-10-14 10:09:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:35,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2020-10-14 10:09:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:35,234 INFO L225 Difference]: With dead ends: 76647 [2020-10-14 10:09:35,234 INFO L226 Difference]: Without dead ends: 22112 [2020-10-14 10:09:35,268 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 [2020-10-14 10:09:35,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22112 states. [2020-10-14 10:09:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22112 to 18143. [2020-10-14 10:09:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18143 states. [2020-10-14 10:09:35,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18143 states to 18143 states and 23487 transitions. [2020-10-14 10:09:35,504 INFO L78 Accepts]: Start accepts. Automaton has 18143 states and 23487 transitions. Word has length 393 [2020-10-14 10:09:35,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:35,504 INFO L479 AbstractCegarLoop]: Abstraction has 18143 states and 23487 transitions. [2020-10-14 10:09:35,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 18143 states and 23487 transitions. [2020-10-14 10:09:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-10-14 10:09:35,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:35,516 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:35,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 10:09:35,517 INFO L427 AbstractCegarLoop]: === Iteration 32 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:35,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:35,517 INFO L82 PathProgramCache]: Analyzing trace with hash 140414067, now seen corresponding path program 1 times [2020-10-14 10:09:35,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:35,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673387645] [2020-10-14 10:09:35,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:35,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:35,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:35,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:35,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:35,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-14 10:09:35,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:09:35,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-14 10:09:35,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:35,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-10-14 10:09:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:09:35,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:35,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:35,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:35,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:35,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:35,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:35,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:35,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 947 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2020-10-14 10:09:35,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673387645] [2020-10-14 10:09:35,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:35,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:35,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846078268] [2020-10-14 10:09:35,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:35,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:35,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:35,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:35,958 INFO L87 Difference]: Start difference. First operand 18143 states and 23487 transitions. Second operand 3 states. [2020-10-14 10:09:36,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:36,364 INFO L93 Difference]: Finished difference Result 36246 states and 46883 transitions. [2020-10-14 10:09:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:36,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 394 [2020-10-14 10:09:36,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:36,380 INFO L225 Difference]: With dead ends: 36246 [2020-10-14 10:09:36,380 INFO L226 Difference]: Without dead ends: 18109 [2020-10-14 10:09:36,394 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 [2020-10-14 10:09:36,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18109 states. [2020-10-14 10:09:36,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18109 to 18104. [2020-10-14 10:09:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18104 states. [2020-10-14 10:09:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18104 states to 18104 states and 23370 transitions. [2020-10-14 10:09:36,613 INFO L78 Accepts]: Start accepts. Automaton has 18104 states and 23370 transitions. Word has length 394 [2020-10-14 10:09:36,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:36,614 INFO L479 AbstractCegarLoop]: Abstraction has 18104 states and 23370 transitions. [2020-10-14 10:09:36,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 18104 states and 23370 transitions. [2020-10-14 10:09:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2020-10-14 10:09:36,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:36,627 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] [2020-10-14 10:09:36,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 10:09:36,627 INFO L427 AbstractCegarLoop]: === Iteration 33 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:36,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:36,627 INFO L82 PathProgramCache]: Analyzing trace with hash -676110835, now seen corresponding path program 1 times [2020-10-14 10:09:36,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:36,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521328145] [2020-10-14 10:09:36,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:36,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:36,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:36,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 435 [2020-10-14 10:09:36,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:36,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 10:09:36,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:36,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:09:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 376 [2020-10-14 10:09:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-14 10:09:36,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:36,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:36,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:36,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:36,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:36,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:36,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 518 proven. 22 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-10-14 10:09:36,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521328145] [2020-10-14 10:09:36,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:36,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:09:36,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19942105] [2020-10-14 10:09:36,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:09:36,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:36,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:09:36,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:09:36,916 INFO L87 Difference]: Start difference. First operand 18104 states and 23370 transitions. Second operand 4 states. [2020-10-14 10:09:37,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:37,234 INFO L93 Difference]: Finished difference Result 30451 states and 39522 transitions. [2020-10-14 10:09:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:09:37,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 427 [2020-10-14 10:09:37,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:37,236 INFO L225 Difference]: With dead ends: 30451 [2020-10-14 10:09:37,236 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 10:09:37,261 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 [2020-10-14 10:09:37,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 10:09:37,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 10:09:37,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 10:09:37,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 10:09:37,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 427 [2020-10-14 10:09:37,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:37,262 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 10:09:37,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:09:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 10:09:37,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 10:09:37,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 10:09:37,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 10:09:37,898 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 163 [2020-10-14 10:09:38,103 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 87 [2020-10-14 10:09:38,469 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 133 [2020-10-14 10:09:38,687 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 94 [2020-10-14 10:09:38,832 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 64 [2020-10-14 10:09:39,133 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 124 [2020-10-14 10:09:39,569 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 231 [2020-10-14 10:09:42,413 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1583 DAG size of output: 303 [2020-10-14 10:09:42,747 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 138 [2020-10-14 10:09:45,265 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1583 DAG size of output: 303 [2020-10-14 10:09:45,686 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2020-10-14 10:09:45,907 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2020-10-14 10:09:46,108 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 36 [2020-10-14 10:09:46,363 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 40 [2020-10-14 10:09:46,596 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-10-14 10:09:46,863 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2020-10-14 10:09:47,012 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 21 [2020-10-14 10:09:47,439 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 32 [2020-10-14 10:09:47,623 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2020-10-14 10:09:47,807 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2020-10-14 10:09:48,004 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-10-14 10:09:49,811 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 231 DAG size of output: 90 [2020-10-14 10:09:50,028 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-10-14 10:09:50,365 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-10-14 10:09:50,551 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-10-14 10:09:50,706 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 21 [2020-10-14 10:09:50,892 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 35 [2020-10-14 10:09:51,116 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-10-14 10:09:51,335 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2020-10-14 10:09:53,171 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 231 DAG size of output: 90 [2020-10-14 10:09:53,357 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-10-14 10:09:53,361 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 10:09:53,361 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:09:53,361 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:09:53,362 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 10:09:53,362 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 10:09:53,362 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 10:09:53,362 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 627 638) the Hoare annotation is: true [2020-10-14 10:09:53,362 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 627 638) no Hoare annotation was computed. [2020-10-14 10:09:53,362 INFO L271 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: true [2020-10-14 10:09:53,362 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-10-14 10:09:53,363 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 627 638) no Hoare annotation was computed. [2020-10-14 10:09:53,363 INFO L268 CegarLoopResult]: For program point L597(lines 597 602) no Hoare annotation was computed. [2020-10-14 10:09:53,364 INFO L268 CegarLoopResult]: For program point L597-2(lines 596 610) no Hoare annotation was computed. [2020-10-14 10:09:53,364 INFO L268 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-10-14 10:09:53,365 INFO L264 CegarLoopResult]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse0 (<= 6 ssl3_accept_~blastFlag~0)) (.cse1 (<= 8672 ssl3_accept_~s__state~0))) (or (and (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse0 (not (= ssl3_accept_~s__session__peer~0 0)) .cse1) (and (<= ssl3_accept_~blastFlag~0 3) .cse1) (and .cse2 .cse0 (<= ssl3_accept_~blastFlag~0 6) .cse1) (and .cse2 .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 1) 0) .cse1))) [2020-10-14 10:09:53,365 INFO L264 CegarLoopResult]: At program point L102(lines 101 594) the Hoare annotation is: (let ((.cse1 (<= 6 ssl3_accept_~blastFlag~0)) (.cse0 (<= 8672 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse1 (not (= ssl3_accept_~s__session__peer~0 0)) .cse0) (and .cse1 (= (+ ssl3_accept_~s__verify_mode~0 1) 0) .cse0))) [2020-10-14 10:09:53,365 INFO L268 CegarLoopResult]: For program point L499(lines 499 502) no Hoare annotation was computed. [2020-10-14 10:09:53,365 INFO L268 CegarLoopResult]: For program point L599(lines 599 601) no Hoare annotation was computed. [2020-10-14 10:09:53,365 INFO L268 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2020-10-14 10:09:53,365 INFO L268 CegarLoopResult]: For program point L335(lines 335 372) no Hoare annotation was computed. [2020-10-14 10:09:53,365 INFO L268 CegarLoopResult]: For program point L335-1(lines 335 372) no Hoare annotation was computed. [2020-10-14 10:09:53,366 INFO L268 CegarLoopResult]: For program point L203(lines 203 560) no Hoare annotation was computed. [2020-10-14 10:09:53,366 INFO L268 CegarLoopResult]: For program point L170(lines 170 571) no Hoare annotation was computed. [2020-10-14 10:09:53,366 INFO L268 CegarLoopResult]: For program point L137(lines 137 582) no Hoare annotation was computed. [2020-10-14 10:09:53,366 INFO L268 CegarLoopResult]: For program point L104(lines 104 593) no Hoare annotation was computed. [2020-10-14 10:09:53,366 INFO L264 CegarLoopResult]: At program point L402(lines 393 414) the Hoare annotation is: (let ((.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8560))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 7) (<= 6 ssl3_accept_~blastFlag~0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1))) [2020-10-14 10:09:53,366 INFO L268 CegarLoopResult]: For program point L336(lines 336 369) no Hoare annotation was computed. [2020-10-14 10:09:53,366 INFO L268 CegarLoopResult]: For program point L303(lines 303 313) no Hoare annotation was computed. [2020-10-14 10:09:53,366 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 313) no Hoare annotation was computed. [2020-10-14 10:09:53,366 INFO L271 CegarLoopResult]: At program point L204(lines 203 560) the Hoare annotation is: true [2020-10-14 10:09:53,367 INFO L264 CegarLoopResult]: At program point L171(lines 167 572) the Hoare annotation is: (let ((.cse5 (<= 8480 ssl3_accept_~s__state~0)) (.cse2 (<= 6 ssl3_accept_~blastFlag~0)) (.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= ssl3_accept_~s__state~0 8592)) (.cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 7) .cse2 .cse3 .cse4) (and .cse0 .cse3 (<= ssl3_accept_~blastFlag~0 0)) (and .cse5 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse2 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse3 .cse4) (and .cse5 .cse2 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse1 .cse3 (<= ssl3_accept_~blastFlag~0 2) .cse4))) [2020-10-14 10:09:53,369 INFO L264 CegarLoopResult]: At program point L138(lines 134 583) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~s__state~0 8544)) (.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8512)) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse4 (<= 6 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse3 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse4 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 7) .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse3 .cse4 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse1 .cse2 .cse4 (<= ssl3_accept_~blastFlag~0 6)))) [2020-10-14 10:09:53,369 INFO L268 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-10-14 10:09:53,369 INFO L268 CegarLoopResult]: For program point L535-2(lines 535 539) no Hoare annotation was computed. [2020-10-14 10:09:53,369 INFO L268 CegarLoopResult]: For program point L437(lines 437 440) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L271 CegarLoopResult]: At program point L206(lines 205 560) the Hoare annotation is: true [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L173(lines 173 570) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L140(lines 140 581) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L107(lines 107 592) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L504(lines 504 514) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L405(lines 405 407) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L273-2(lines 207 557) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L604(lines 604 608) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L307(lines 307 309) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L307-2(lines 305 313) no Hoare annotation was computed. [2020-10-14 10:09:53,370 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 626) the Hoare annotation is: true [2020-10-14 10:09:53,370 INFO L268 CegarLoopResult]: For program point L341(lines 341 367) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L268 CegarLoopResult]: For program point L242(lines 242 252) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L268 CegarLoopResult]: For program point L176(lines 176 569) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L268 CegarLoopResult]: For program point L143(lines 143 580) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L268 CegarLoopResult]: For program point L110(lines 110 591) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L268 CegarLoopResult]: For program point L474(lines 474 476) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L268 CegarLoopResult]: For program point L408(lines 408 410) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L268 CegarLoopResult]: For program point L243(lines 243 246) no Hoare annotation was computed. [2020-10-14 10:09:53,371 INFO L264 CegarLoopResult]: At program point L210(lines 104 593) the Hoare annotation is: (let ((.cse2 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0))) (.cse4 (not (= ssl3_accept_~s__session__peer~0 0))) (.cse0 (<= ssl3_accept_~blastFlag~0 0)) (.cse8 (<= ssl3_accept_~s__state~0 8480)) (.cse3 (<= 6 ssl3_accept_~blastFlag~0)) (.cse9 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (.cse1 (<= 8672 ssl3_accept_~s__state~0)) (.cse7 (= ssl3_accept_~s__hit~0 0)) (.cse5 (<= ssl3_accept_~s__state~0 8448)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse5 .cse6) (and .cse7 (<= ssl3_accept_~blastFlag~0 7) .cse3 .cse5 .cse6) (and .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse0) (and .cse3 .cse8 .cse9) (and .cse3 .cse9 .cse1) (and .cse7 (<= ssl3_accept_~blastFlag~0 2) .cse5 .cse6))) [2020-10-14 10:09:53,371 INFO L264 CegarLoopResult]: At program point L177(lines 173 570) the Hoare annotation is: (let ((.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse5 (<= 8480 ssl3_accept_~s__state~0)) (.cse4 (<= 6 ssl3_accept_~blastFlag~0)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse3 (<= ssl3_accept_~s__state~0 8608))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2 .cse3) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 7) .cse4 .cse2 .cse3) (and .cse5 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse4 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse5 .cse4 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse3) (and .cse0 (<= ssl3_accept_~blastFlag~0 0) .cse3))) [2020-10-14 10:09:53,372 INFO L264 CegarLoopResult]: At program point L144(lines 140 581) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8544)) (.cse3 (= ssl3_accept_~s__hit~0 0)) (.cse4 (<= 6 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 .cse1 .cse3 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse3 (<= ssl3_accept_~blastFlag~0 7) .cse4 .cse2) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse4 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 .cse1 .cse4 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse1 .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 6)))) [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L179(lines 179 568) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L146(lines 146 579) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L113(lines 113 590) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L510(lines 510 512) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L510-2(lines 207 557) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-10-14 10:09:53,372 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-14 10:09:53,373 INFO L268 CegarLoopResult]: For program point L182(lines 182 567) no Hoare annotation was computed. [2020-10-14 10:09:53,373 INFO L268 CegarLoopResult]: For program point L149(lines 149 578) no Hoare annotation was computed. [2020-10-14 10:09:53,373 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-14 10:09:53,373 INFO L268 CegarLoopResult]: For program point L116(lines 116 589) no Hoare annotation was computed. [2020-10-14 10:09:53,373 INFO L268 CegarLoopResult]: For program point L381(lines 381 416) no Hoare annotation was computed. [2020-10-14 10:09:53,373 INFO L264 CegarLoopResult]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse4 (<= 8480 ssl3_accept_~s__state~0)) (.cse2 (<= 6 ssl3_accept_~blastFlag~0)) (.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= ssl3_accept_~s__state~0 8608))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 6) .cse3) (and .cse4 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse2 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 (<= ssl3_accept_~s__state~0 8640) (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 7) .cse2 .cse3 .cse5) (and .cse4 .cse2 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse5 .cse3) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse3))) [2020-10-14 10:09:53,374 INFO L264 CegarLoopResult]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8544)) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= 6 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 7) .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse3 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse3 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~blastFlag~0 6)))) [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L382(lines 382 388) no Hoare annotation was computed. [2020-10-14 10:09:53,374 INFO L271 CegarLoopResult]: At program point L614(lines 97 615) the Hoare annotation is: true [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L548(lines 548 550) no Hoare annotation was computed. [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L185(lines 185 566) no Hoare annotation was computed. [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L152(lines 152 577) no Hoare annotation was computed. [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L119(lines 119 588) no Hoare annotation was computed. [2020-10-14 10:09:53,374 INFO L268 CegarLoopResult]: For program point L483(lines 483 485) no Hoare annotation was computed. [2020-10-14 10:09:53,375 INFO L264 CegarLoopResult]: At program point L120(lines 116 589) the Hoare annotation is: (let ((.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse2 (<= 6 ssl3_accept_~blastFlag~0)) (.cse3 (<= ssl3_accept_~s__state~0 8496))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 7) .cse2 .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse2 .cse3 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse3) (and .cse0 .cse1 .cse3 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~blastFlag~0 6)) (and .cse0 .cse2 .cse3 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)))) [2020-10-14 10:09:53,375 INFO L264 CegarLoopResult]: At program point L484(lines 71 625) the Hoare annotation is: false [2020-10-14 10:09:53,375 INFO L268 CegarLoopResult]: For program point L451(lines 451 460) no Hoare annotation was computed. [2020-10-14 10:09:53,375 INFO L268 CegarLoopResult]: For program point L352(lines 352 363) no Hoare annotation was computed. [2020-10-14 10:09:53,375 INFO L268 CegarLoopResult]: For program point L286(lines 286 288) no Hoare annotation was computed. [2020-10-14 10:09:53,375 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-14 10:09:53,375 INFO L268 CegarLoopResult]: For program point L286-2(lines 207 557) no Hoare annotation was computed. [2020-10-14 10:09:53,375 INFO L264 CegarLoopResult]: At program point L353(lines 329 374) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8544)) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= 6 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 7) .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse3 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse3 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~blastFlag~0 6)))) [2020-10-14 10:09:53,376 INFO L268 CegarLoopResult]: For program point L188(lines 188 565) no Hoare annotation was computed. [2020-10-14 10:09:53,376 INFO L268 CegarLoopResult]: For program point L155(lines 155 576) no Hoare annotation was computed. [2020-10-14 10:09:53,376 INFO L268 CegarLoopResult]: For program point L122(lines 122 587) no Hoare annotation was computed. [2020-10-14 10:09:53,376 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-14 10:09:53,376 INFO L268 CegarLoopResult]: For program point L89-1(lines 71 625) no Hoare annotation was computed. [2020-10-14 10:09:53,376 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 626) no Hoare annotation was computed. [2020-10-14 10:09:53,376 INFO L268 CegarLoopResult]: For program point L486(lines 486 488) no Hoare annotation was computed. [2020-10-14 10:09:53,376 INFO L264 CegarLoopResult]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (<= 8480 ssl3_accept_~s__state~0)) (.cse3 (<= 6 ssl3_accept_~blastFlag~0)) (.cse4 (<= ssl3_accept_~s__state~0 8640)) (.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= 8640 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~blastFlag~0 6)) (and .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 7) .cse3 .cse4 .cse5) (and .cse6 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse3 (not (= ssl3_accept_~s__session__peer~0 0))) (and (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse4 .cse5) (and .cse0 .cse2 (<= ssl3_accept_~blastFlag~0 0)) (and .cse6 .cse3 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse2 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ssl3_accept_~blastFlag~0 4) (not .cse1) .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:53,376 INFO L264 CegarLoopResult]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse3 (<= 8480 ssl3_accept_~s__state~0)) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse4 (<= 6 ssl3_accept_~blastFlag~0)) (.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8560))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and .cse3 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse4 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse3 .cse4 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 7) .cse4) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1))) [2020-10-14 10:09:53,376 INFO L264 CegarLoopResult]: At program point L123(lines 122 587) the Hoare annotation is: (let ((.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8496)) (.cse3 (<= 6 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~blastFlag~0 6)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse2 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse3 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse2 .cse3 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)))) [2020-10-14 10:09:53,376 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L619(lines 619 621) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L619-2(lines 619 621) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L520(lines 520 523) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L355(lines 355 357) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L355-2(lines 352 361) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L455(lines 455 457) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L323-2(lines 207 557) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L191(lines 191 564) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L158(lines 158 575) no Hoare annotation was computed. [2020-10-14 10:09:53,377 INFO L268 CegarLoopResult]: For program point L125(lines 125 586) no Hoare annotation was computed. [2020-10-14 10:09:53,378 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 626) no Hoare annotation was computed. [2020-10-14 10:09:53,378 INFO L268 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-10-14 10:09:53,378 INFO L268 CegarLoopResult]: For program point L489-2(lines 489 493) no Hoare annotation was computed. [2020-10-14 10:09:53,378 INFO L264 CegarLoopResult]: At program point L390(lines 381 416) the Hoare annotation is: (let ((.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8560))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 7) (<= 6 ssl3_accept_~blastFlag~0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1))) [2020-10-14 10:09:53,378 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-14 10:09:53,378 INFO L268 CegarLoopResult]: For program point L225(lines 225 236) no Hoare annotation was computed. [2020-10-14 10:09:53,378 INFO L268 CegarLoopResult]: For program point L225-2(lines 207 557) no Hoare annotation was computed. [2020-10-14 10:09:53,378 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-14 10:09:53,379 INFO L268 CegarLoopResult]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2020-10-14 10:09:53,379 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-14 10:09:53,379 INFO L268 CegarLoopResult]: For program point L194(lines 194 563) no Hoare annotation was computed. [2020-10-14 10:09:53,379 INFO L268 CegarLoopResult]: For program point L161(lines 161 574) no Hoare annotation was computed. [2020-10-14 10:09:53,379 INFO L268 CegarLoopResult]: For program point L128(lines 128 585) no Hoare annotation was computed. [2020-10-14 10:09:53,379 INFO L264 CegarLoopResult]: At program point L558(lines 98 613) the Hoare annotation is: (let ((.cse2 (= ssl3_accept_~s__hit~0 0))) (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8560)) (.cse3 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0))) (.cse13 (<= 8640 ssl3_accept_~s__state~0)) (.cse14 (<= ssl3_accept_~s__state~0 8640)) (.cse16 (<= 8656 ssl3_accept_~s__state~0)) (.cse21 (<= 8448 ssl3_accept_~s__state~0)) (.cse22 (<= ssl3_accept_~s__state~0 8448)) (.cse23 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse11 (<= ssl3_accept_~blastFlag~0 6)) (.cse15 (<= ssl3_accept_~s__state~0 8672)) (.cse25 (<= 8672 ssl3_accept_~s__state~0)) (.cse18 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse17 (<= ssl3_accept_~blastFlag~0 4)) (.cse19 (not .cse2)) (.cse20 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse12 (<= 8544 ssl3_accept_~s__state~0)) (.cse9 (<= ssl3_accept_~s__state~0 8544)) (.cse5 (<= ssl3_accept_~blastFlag~0 1)) (.cse6 (<= ssl3_accept_~s__state~0 3)) (.cse4 (<= ssl3_accept_~blastFlag~0 2)) (.cse24 (<= ssl3_accept_~blastFlag~0 7)) (.cse10 (<= 6 ssl3_accept_~blastFlag~0)) (.cse8 (<= ssl3_accept_~s__state~0 8608)) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6) (and .cse5 .cse7 .cse8) (and .cse0 .cse9 .cse2 .cse10 .cse11) (and .cse12 .cse1 .cse5 .cse3) (and .cse2 .cse13 .cse14 .cse4) (and .cse3 .cse10 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse15 .cse16 .cse4) (and .cse2 .cse6 .cse7) (and .cse13 .cse17 .cse18 .cse19 .cse14 .cse20) (and .cse10 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse21 .cse2 .cse10 .cse22 .cse23) (and .cse15 .cse2 .cse16 .cse10 .cse11) (and .cse21 .cse18 .cse17 .cse19 .cse20 .cse22) (and .cse0 .cse9 .cse2 .cse4) (and .cse2 .cse13 .cse24 .cse10 .cse14 .cse7) (and .cse0 .cse5 (<= ssl3_accept_~s__state~0 8496)) (and .cse12 .cse1 .cse2 .cse3 .cse24 .cse10) (and .cse2 .cse13 .cse10 .cse14 .cse11) (and .cse12 .cse9 .cse2 .cse24 .cse10) (and .cse5 .cse13 .cse14 .cse7) (and .cse15 .cse2 .cse16 .cse24 .cse10 .cse7) (<= ssl3_accept_~blastFlag~0 0) (and .cse21 .cse2 .cse17 .cse22 .cse23) (and .cse15 (<= ssl3_accept_~blastFlag~0 3) .cse25) (and .cse2 .cse10 .cse6 .cse11) (and .cse15 .cse2 .cse10 .cse25 .cse7) (and .cse2 .cse4 .cse7 .cse8) (and .cse18 .cse6 .cse17 .cse19 .cse20) (and .cse12 .cse9 .cse5) (and .cse2 .cse6 .cse4) (and .cse2 .cse24 .cse10 .cse8 .cse7)))) [2020-10-14 10:09:53,379 INFO L268 CegarLoopResult]: For program point L426(lines 426 428) no Hoare annotation was computed. [2020-10-14 10:09:53,380 INFO L268 CegarLoopResult]: For program point L393(lines 393 414) no Hoare annotation was computed. [2020-10-14 10:09:53,380 INFO L264 CegarLoopResult]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse3 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= 8656 ssl3_accept_~s__state~0)) (.cse2 (<= 6 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse1 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse2 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse1 .cse2 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse3 .cse1 (<= ssl3_accept_~blastFlag~0 7) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse3 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 6)))) [2020-10-14 10:09:53,380 INFO L264 CegarLoopResult]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse5 (<= 8480 ssl3_accept_~s__state~0)) (.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8576)) (.cse2 (= ssl3_accept_~s__hit~0 0)) (.cse3 (<= ssl3_accept_~blastFlag~0 7)) (.cse6 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0))) (.cse4 (<= 6 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse5 .cse6 .cse4 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse5 .cse4 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 .cse4 (<= ssl3_accept_~blastFlag~0 6)) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2020-10-14 10:09:53,380 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-10-14 10:09:53,380 INFO L268 CegarLoopResult]: For program point L197(lines 197 562) no Hoare annotation was computed. [2020-10-14 10:09:53,380 INFO L268 CegarLoopResult]: For program point L164(lines 164 573) no Hoare annotation was computed. [2020-10-14 10:09:53,380 INFO L268 CegarLoopResult]: For program point L131(lines 131 584) no Hoare annotation was computed. [2020-10-14 10:09:53,381 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2020-10-14 10:09:53,381 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 613) the Hoare annotation is: (let ((.cse2 (= ssl3_accept_~s__hit~0 0))) (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8560)) (.cse3 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0))) (.cse13 (<= 8640 ssl3_accept_~s__state~0)) (.cse14 (<= ssl3_accept_~s__state~0 8640)) (.cse16 (<= 8656 ssl3_accept_~s__state~0)) (.cse21 (<= 8448 ssl3_accept_~s__state~0)) (.cse22 (<= ssl3_accept_~s__state~0 8448)) (.cse23 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse11 (<= ssl3_accept_~blastFlag~0 6)) (.cse15 (<= ssl3_accept_~s__state~0 8672)) (.cse25 (<= 8672 ssl3_accept_~s__state~0)) (.cse18 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse17 (<= ssl3_accept_~blastFlag~0 4)) (.cse19 (not .cse2)) (.cse20 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse12 (<= 8544 ssl3_accept_~s__state~0)) (.cse9 (<= ssl3_accept_~s__state~0 8544)) (.cse5 (<= ssl3_accept_~blastFlag~0 1)) (.cse6 (<= ssl3_accept_~s__state~0 3)) (.cse4 (<= ssl3_accept_~blastFlag~0 2)) (.cse24 (<= ssl3_accept_~blastFlag~0 7)) (.cse10 (<= 6 ssl3_accept_~blastFlag~0)) (.cse8 (<= ssl3_accept_~s__state~0 8608)) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6) (and .cse5 .cse7 .cse8) (and .cse0 .cse9 .cse2 .cse10 .cse11) (and .cse12 .cse1 .cse5 .cse3) (and .cse2 .cse13 .cse14 .cse4) (and .cse3 .cse10 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse15 .cse16 .cse4) (and .cse2 .cse6 .cse7) (and .cse13 .cse17 .cse18 .cse19 .cse14 .cse20) (and .cse10 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse21 .cse2 .cse10 .cse22 .cse23) (and .cse15 .cse2 .cse16 .cse10 .cse11) (and .cse21 .cse18 .cse17 .cse19 .cse20 .cse22) (and .cse0 .cse9 .cse2 .cse4) (and .cse2 .cse13 .cse24 .cse10 .cse14 .cse7) (and .cse0 .cse5 (<= ssl3_accept_~s__state~0 8496)) (and .cse12 .cse1 .cse2 .cse3 .cse24 .cse10) (and .cse2 .cse13 .cse10 .cse14 .cse11) (and .cse12 .cse9 .cse2 .cse24 .cse10) (and .cse5 .cse13 .cse14 .cse7) (and .cse15 .cse2 .cse16 .cse24 .cse10 .cse7) (<= ssl3_accept_~blastFlag~0 0) (and .cse21 .cse2 .cse17 .cse22 .cse23) (and .cse15 (<= ssl3_accept_~blastFlag~0 3) .cse25) (and .cse2 .cse10 .cse6 .cse11) (and .cse15 .cse2 .cse10 .cse25 .cse7) (and .cse2 .cse4 .cse7 .cse8) (and .cse18 .cse6 .cse17 .cse19 .cse20) (and .cse12 .cse9 .cse5) (and .cse2 .cse6 .cse4) (and .cse2 .cse24 .cse10 .cse8 .cse7)))) [2020-10-14 10:09:53,381 INFO L268 CegarLoopResult]: For program point L528(lines 528 530) no Hoare annotation was computed. [2020-10-14 10:09:53,381 INFO L268 CegarLoopResult]: For program point L528-2(lines 207 557) no Hoare annotation was computed. [2020-10-14 10:09:53,381 INFO L268 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-10-14 10:09:53,382 INFO L264 CegarLoopResult]: At program point L165(lines 164 573) the Hoare annotation is: (let ((.cse5 (<= ssl3_accept_~s__state~0 8480)) (.cse4 (<= 6 ssl3_accept_~blastFlag~0)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse7 (<= ssl3_accept_~blastFlag~0 4)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse3 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8448)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse3 (<= ssl3_accept_~blastFlag~0 7) .cse4 .cse1 .cse2) (and (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse4 .cse5 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse4 .cse5 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse3 .cse4 .cse1 .cse6) (and .cse0 .cse3 .cse7 .cse1 .cse6) (and .cse0 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 (not .cse3) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse1) (and .cse0 .cse3 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2))) [2020-10-14 10:09:53,382 INFO L264 CegarLoopResult]: At program point L132(lines 125 586) the Hoare annotation is: (let ((.cse1 (<= 6 ssl3_accept_~blastFlag~0)) (.cse3 (= ssl3_accept_~s__hit~0 0)) (.cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (<= 8464 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8480))) (or (and .cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) .cse1 .cse2 (not (= ssl3_accept_~s__session__peer~0 0))) (and .cse0 .cse1 .cse2 (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) (and .cse0 .cse3 (<= ssl3_accept_~blastFlag~0 7) .cse1 .cse2 .cse4) (and .cse0 .cse3 .cse2 (<= ssl3_accept_~blastFlag~0 2) .cse4) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse4) (and .cse0 .cse2 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 10:09:53,382 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 10:09:53,382 INFO L268 CegarLoopResult]: For program point L595(lines 595 611) no Hoare annotation was computed. [2020-10-14 10:09:53,382 INFO L268 CegarLoopResult]: For program point L596(lines 596 610) no Hoare annotation was computed. [2020-10-14 10:09:53,382 INFO L268 CegarLoopResult]: For program point L332(lines 332 373) no Hoare annotation was computed. [2020-10-14 10:09:53,382 INFO L268 CegarLoopResult]: For program point L200(lines 200 561) no Hoare annotation was computed. [2020-10-14 10:09:53,382 INFO L268 CegarLoopResult]: For program point L167(lines 167 572) no Hoare annotation was computed. [2020-10-14 10:09:53,382 INFO L268 CegarLoopResult]: For program point L134(lines 134 583) no Hoare annotation was computed. [2020-10-14 10:09:53,383 INFO L268 CegarLoopResult]: For program point L101(lines 101 594) no Hoare annotation was computed. [2020-10-14 10:09:53,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:09:53 BoogieIcfgContainer [2020-10-14 10:09:53,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 10:09:53,424 INFO L168 Benchmark]: Toolchain (without parser) took 81306.67 ms. Allocated memory was 148.4 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 104.2 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2020-10-14 10:09:53,424 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 10:09:53,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.76 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 103.7 MB in the beginning and 179.6 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:53,425 INFO L168 Benchmark]: Boogie Preprocessor took 64.89 ms. Allocated memory is still 205.0 MB. Free memory was 179.6 MB in the beginning and 176.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:53,425 INFO L168 Benchmark]: RCFGBuilder took 769.26 ms. Allocated memory is still 205.0 MB. Free memory was 176.7 MB in the beginning and 125.2 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:53,426 INFO L168 Benchmark]: TraceAbstraction took 79949.28 ms. Allocated memory was 205.0 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 124.3 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2020-10-14 10:09:53,427 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 516.76 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 103.7 MB in the beginning and 179.6 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.89 ms. Allocated memory is still 205.0 MB. Free memory was 179.6 MB in the beginning and 176.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 769.26 ms. Allocated memory is still 205.0 MB. Free memory was 176.7 MB in the beginning and 125.2 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 79949.28 ms. Allocated memory was 205.0 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 124.3 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.4 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: (((((((8544 <= s__state && s__state <= 8576) && blastFlag <= 1) || (((((8544 <= s__state && s__state <= 8576) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (((8480 <= s__state && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((8480 <= s__state && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || (((8544 <= s__state && s__state <= 8576) && s__hit == 0) && blastFlag <= 2)) || ((((8544 <= s__state && s__state <= 8576) && s__hit == 0) && 6 <= blastFlag) && blastFlag <= 6)) || (((((8544 <= s__state && s__state <= 8576) && s__hit == 0) && blastFlag <= 7) && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((((((((8480 <= s__state && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8496) && s__s3__tmp__next_state___0 <= 8576) || ((((8480 <= s__state && 6 <= blastFlag) && s__state <= 8496) && !(s__verify_mode + 4 == 0)) && !(s__session__peer == 0))) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && blastFlag <= 2)) || ((((8480 <= s__state && s__hit == 0) && 6 <= blastFlag) && s__state <= 8496) && blastFlag <= 6)) || (((8480 <= s__state && 6 <= blastFlag) && s__state <= 8496) && s__verify_mode + 1 == 0) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && 8656 <= s__state) && blastFlag <= 2) || (((8656 <= s__state && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((8656 <= s__state && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || (((((s__state <= 8672 && s__hit == 0) && 8656 <= s__state) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((((s__state <= 8672 && s__hit == 0) && 8656 <= s__state) && 6 <= blastFlag) && blastFlag <= 6) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((((((((8480 <= s__state && s__state <= 8544) && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8576) || (((8480 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 2)) || (((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((8480 <= s__state && s__state <= 8544) && blastFlag <= 0)) || ((((8480 <= s__state && s__state <= 8544) && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || (((8480 <= s__state && s__state <= 8544) && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || ((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && 6 <= blastFlag) && blastFlag <= 6) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && 8672 <= s__state) || (((!(s__verify_mode + 4 == 0) && 6 <= blastFlag) && !(s__session__peer == 0)) && 8672 <= s__state)) || ((6 <= blastFlag && s__verify_mode + 1 == 0) && 8672 <= s__state) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((((((8544 <= s__state && s__hit == 0) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608) || (((((8544 <= s__state && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || (((8480 <= s__state && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((8480 <= s__state && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || (((8544 <= s__state && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || ((8544 <= s__state && blastFlag <= 0) && s__state <= 8608) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 0 && 8672 <= s__state) || (((!(s__verify_mode + 4 == 0) && 6 <= blastFlag) && !(s__session__peer == 0)) && 8672 <= s__state)) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576)) || ((((s__hit == 0 && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576)) || (((!(s__verify_mode + 4 == 0) && 6 <= blastFlag) && s__state <= 8480) && !(s__session__peer == 0))) || (s__state <= 8448 && blastFlag <= 0)) || ((6 <= blastFlag && s__state <= 8480) && s__verify_mode + 1 == 0)) || ((6 <= blastFlag && s__verify_mode + 1 == 0) && 8672 <= s__state)) || (((s__hit == 0 && blastFlag <= 2) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: ((((8544 <= s__state && s__state <= 8560) && s__hit == 0) && blastFlag <= 2) || ((((8544 <= s__state && s__state <= 8560) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag)) || ((8544 <= s__state && blastFlag <= 1) && s__state <= 8560) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((((((!(s__verify_mode + 4 == 0) && 6 <= blastFlag) && !(s__session__peer == 0)) && 8672 <= s__state) || (blastFlag <= 3 && 8672 <= s__state)) || (((s__hit == 0 && 6 <= blastFlag) && blastFlag <= 6) && 8672 <= s__state)) || (((s__hit == 0 && 6 <= blastFlag) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || ((6 <= blastFlag && s__verify_mode + 1 == 0) && 8672 <= s__state) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 2) || (((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((((8480 <= s__state && s__state <= 8544) && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((8480 <= s__state && s__state <= 8544) && blastFlag <= 1)) || (((8480 <= s__state && s__state <= 8544) && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || ((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && 6 <= blastFlag) && blastFlag <= 6) - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: (((((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 2) || (((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((((8480 <= s__state && s__state <= 8544) && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((8480 <= s__state && s__state <= 8544) && blastFlag <= 1)) || (((8480 <= s__state && s__state <= 8544) && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || ((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && 6 <= blastFlag) && blastFlag <= 6) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((((((8544 <= s__state && s__hit == 0) && 6 <= blastFlag) && blastFlag <= 6) && s__state <= 8608) || (((8480 <= s__state && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((8544 <= s__state && s__state <= 8640) && blastFlag <= 0)) || (((((8544 <= s__state && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8608) && s__s3__tmp__next_state___0 <= 8576)) || ((8480 <= s__state && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || (((8544 <= s__state && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || (((8544 <= s__state && s__hit == 0) && blastFlag <= 2) && s__state <= 8608) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((8480 <= s__state && s__state <= 8560) && s__hit == 0) && !(s__verify_mode + 4 == 0)) && blastFlag <= 2) || (blastFlag <= 1 && s__state <= 3)) || ((blastFlag <= 1 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || ((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && 6 <= blastFlag) && blastFlag <= 6)) || (((8544 <= s__state && s__state <= 8560) && blastFlag <= 1) && !(s__verify_mode + 4 == 0))) || (((s__hit == 0 && 8640 <= s__state) && s__state <= 8640) && blastFlag <= 2)) || ((!(s__verify_mode + 4 == 0) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((s__state <= 8672 && 8656 <= s__state) && blastFlag <= 2)) || ((s__hit == 0 && s__state <= 3) && s__s3__tmp__next_state___0 <= 8576)) || (((((8640 <= s__state && blastFlag <= 4) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || (6 <= blastFlag && s__verify_mode + 1 == 0)) || ((((8448 <= s__state && s__hit == 0) && 6 <= blastFlag) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((((s__state <= 8672 && s__hit == 0) && 8656 <= s__state) && 6 <= blastFlag) && blastFlag <= 6)) || (((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && blastFlag <= 4) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || (((8480 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 2)) || (((((s__hit == 0 && 8640 <= s__state) && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576)) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((((8544 <= s__state && s__state <= 8560) && s__hit == 0) && !(s__verify_mode + 4 == 0)) && blastFlag <= 7) && 6 <= blastFlag)) || ((((s__hit == 0 && 8640 <= s__state) && 6 <= blastFlag) && s__state <= 8640) && blastFlag <= 6)) || ((((8544 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag)) || (((blastFlag <= 1 && 8640 <= s__state) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576)) || (((((s__state <= 8672 && s__hit == 0) && 8656 <= s__state) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || blastFlag <= 0) || ((((8448 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state)) || (((s__hit == 0 && 6 <= blastFlag) && s__state <= 3) && blastFlag <= 6)) || ((((s__state <= 8672 && s__hit == 0) && 6 <= blastFlag) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((s__hit == 0 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || ((((8640 <= s__s3__tmp__next_state___0 && s__state <= 3) && blastFlag <= 4) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640)) || ((8544 <= s__state && s__state <= 8544) && blastFlag <= 1)) || ((s__hit == 0 && s__state <= 3) && blastFlag <= 2)) || ((((s__hit == 0 && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8608) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((8464 <= s__state && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && s__state <= 8480) && !(s__session__peer == 0)) || (((8464 <= s__state && 6 <= blastFlag) && s__state <= 8480) && s__verify_mode + 1 == 0)) || (((((8464 <= s__state && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8576)) || ((((8464 <= s__state && s__hit == 0) && s__state <= 8480) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || (((8464 <= s__state && blastFlag <= 1) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8576)) || ((8464 <= s__state && s__state <= 8480) && blastFlag <= 0) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((((8448 <= s__state && blastFlag <= 1) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) || ((8448 <= s__state && s__state <= 8448) && blastFlag <= 0)) || (((((8448 <= s__state && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576)) || (((!(s__verify_mode + 4 == 0) && 6 <= blastFlag) && s__state <= 8480) && !(s__session__peer == 0))) || ((6 <= blastFlag && s__state <= 8480) && s__verify_mode + 1 == 0)) || ((((8448 <= s__state && s__hit == 0) && 6 <= blastFlag) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((((8448 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && blastFlag <= 4) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || ((((8448 <= s__state && s__hit == 0) && blastFlag <= 2) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((((((((8480 <= s__state && s__hit == 0) && s__state <= 8496) && 6 <= blastFlag) && blastFlag <= 6) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && blastFlag <= 2)) || ((((8480 <= s__state && s__state <= 8496) && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && s__s3__tmp__next_state___0 <= 8576)) || (((8480 <= s__state && s__state <= 8496) && 6 <= blastFlag) && s__verify_mode + 1 == 0) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((8544 <= s__state && s__state <= 8560) && s__hit == 0) && blastFlag <= 2) || ((((8544 <= s__state && s__state <= 8560) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag)) || ((8544 <= s__state && blastFlag <= 1) && s__state <= 8560) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((((8544 <= s__state && s__state <= 8560) && s__hit == 0) && blastFlag <= 2) || (((8480 <= s__state && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((8480 <= s__state && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || ((((8544 <= s__state && s__state <= 8560) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag)) || ((8544 <= s__state && blastFlag <= 1) && s__state <= 8560) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((((((((s__state <= 8672 && s__hit == 0) && 8640 <= s__state) && 6 <= blastFlag) && blastFlag <= 6) || (((((s__hit == 0 && 8640 <= s__state) && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576)) || (((8480 <= s__state && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || (((blastFlag <= 1 && 8640 <= s__state) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576)) || ((s__state <= 8672 && 8640 <= s__state) && blastFlag <= 0)) || ((8480 <= s__state && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || (((((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && blastFlag <= 4) && !(s__hit == 0)) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || (((s__state <= 8672 && s__hit == 0) && 8640 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((8480 <= s__state && s__state <= 8512) && s__hit == 0) && blastFlag <= 2) || ((((8480 <= s__state && s__state <= 8544) && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || (((((8480 <= s__state && s__state <= 8512) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((8480 <= s__state && s__state <= 8512) && blastFlag <= 1)) || (((8480 <= s__state && s__state <= 8544) && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || ((((8480 <= s__state && s__state <= 8512) && s__hit == 0) && 6 <= blastFlag) && blastFlag <= 6) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((8480 <= s__state && s__state <= 8560) && s__hit == 0) && !(s__verify_mode + 4 == 0)) && blastFlag <= 2) || (blastFlag <= 1 && s__state <= 3)) || ((blastFlag <= 1 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || ((((8480 <= s__state && s__state <= 8544) && s__hit == 0) && 6 <= blastFlag) && blastFlag <= 6)) || (((8544 <= s__state && s__state <= 8560) && blastFlag <= 1) && !(s__verify_mode + 4 == 0))) || (((s__hit == 0 && 8640 <= s__state) && s__state <= 8640) && blastFlag <= 2)) || ((!(s__verify_mode + 4 == 0) && 6 <= blastFlag) && !(s__session__peer == 0))) || ((s__state <= 8672 && 8656 <= s__state) && blastFlag <= 2)) || ((s__hit == 0 && s__state <= 3) && s__s3__tmp__next_state___0 <= 8576)) || (((((8640 <= s__state && blastFlag <= 4) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || (6 <= blastFlag && s__verify_mode + 1 == 0)) || ((((8448 <= s__state && s__hit == 0) && 6 <= blastFlag) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((((s__state <= 8672 && s__hit == 0) && 8656 <= s__state) && 6 <= blastFlag) && blastFlag <= 6)) || (((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && blastFlag <= 4) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || (((8480 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 2)) || (((((s__hit == 0 && 8640 <= s__state) && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576)) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((((8544 <= s__state && s__state <= 8560) && s__hit == 0) && !(s__verify_mode + 4 == 0)) && blastFlag <= 7) && 6 <= blastFlag)) || ((((s__hit == 0 && 8640 <= s__state) && 6 <= blastFlag) && s__state <= 8640) && blastFlag <= 6)) || ((((8544 <= s__state && s__state <= 8544) && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag)) || (((blastFlag <= 1 && 8640 <= s__state) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576)) || (((((s__state <= 8672 && s__hit == 0) && 8656 <= s__state) && blastFlag <= 7) && 6 <= blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || blastFlag <= 0) || ((((8448 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state)) || (((s__hit == 0 && 6 <= blastFlag) && s__state <= 3) && blastFlag <= 6)) || ((((s__state <= 8672 && s__hit == 0) && 6 <= blastFlag) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((s__hit == 0 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || ((((8640 <= s__s3__tmp__next_state___0 && s__state <= 3) && blastFlag <= 4) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640)) || ((8544 <= s__state && s__state <= 8544) && blastFlag <= 1)) || ((s__hit == 0 && s__state <= 3) && blastFlag <= 2)) || ((((s__hit == 0 && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8608) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((8544 <= s__state && s__hit == 0) && blastFlag <= 7) && 6 <= blastFlag) && s__state <= 8592) && s__s3__tmp__next_state___0 <= 8576) || ((8544 <= s__state && s__state <= 8592) && blastFlag <= 0)) || (((8480 <= s__state && !(s__verify_mode + 4 == 0)) && 6 <= blastFlag) && !(s__session__peer == 0))) || (((8544 <= s__state && blastFlag <= 1) && s__state <= 8592) && s__s3__tmp__next_state___0 <= 8576)) || ((8480 <= s__state && 6 <= blastFlag) && s__verify_mode + 1 == 0)) || ((((8544 <= s__state && s__hit == 0) && s__state <= 8592) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 154 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63.7s, OverallIterations: 33, TraceHistogramMax: 14, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8545 SDtfs, 3824 SDslu, 5041 SDs, 0 SdLazy, 3004 SolverSat, 833 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48036occurred in iteration=30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.3s AutomataMinimizationTime, 33 MinimizatonAttempts, 28795 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 2067 NumberOfFragments, 2657 HoareAnnotationTreeSize, 32 FomulaSimplifications, 191407 FormulaSimplificationTreeSizeReduction, 8.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 24569 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 36.4s InterpolantComputationTime, 7637 NumberOfCodeBlocks, 7637 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 7604 ConstructedInterpolants, 0 QuantifiedInterpolants, 2887394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 29 PerfectInterpolantSequences, 20126/20216 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...