/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 10:33:39,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 10:33:39,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 10:33:39,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 10:33:39,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 10:33:39,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 10:33:39,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 10:33:39,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 10:33:39,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 10:33:39,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 10:33:39,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 10:33:39,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 10:33:39,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 10:33:39,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 10:33:39,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 10:33:39,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 10:33:39,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 10:33:39,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 10:33:39,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 10:33:39,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 10:33:39,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 10:33:39,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 10:33:39,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 10:33:39,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 10:33:39,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 10:33:39,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 10:33:39,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 10:33:39,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 10:33:39,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 10:33:39,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 10:33:39,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 10:33:39,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 10:33:39,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 10:33:39,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 10:33:39,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 10:33:39,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 10:33:39,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 10:33:39,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 10:33:39,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 10:33:39,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 10:33:39,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 10:33:39,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 10:33:39,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 10:33:39,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 10:33:39,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 10:33:39,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 10:33:39,805 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 10:33:39,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 10:33:39,805 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 10:33:39,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 10:33:39,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 10:33:39,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 10:33:39,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 10:33:39,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 10:33:39,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 10:33:39,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 10:33:39,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 10:33:39,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 10:33:39,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 10:33:39,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 10:33:39,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 10:33:39,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 10:33:39,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 10:33:39,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 10:33:39,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 10:33:39,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 10:33:39,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 10:33:39,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 10:33:39,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 10:33:39,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 10:33:39,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 10:33:39,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 10:33:40,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 10:33:40,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 10:33:40,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 10:33:40,134 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 10:33:40,135 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 10:33:40,136 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-12 10:33:40,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/698611c22/53d0946e3f2749afa540d62935d456c3/FLAGf5ec0757b [2020-10-12 10:33:40,657 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 10:33:40,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-12 10:33:40,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/698611c22/53d0946e3f2749afa540d62935d456c3/FLAGf5ec0757b [2020-10-12 10:33:41,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/698611c22/53d0946e3f2749afa540d62935d456c3 [2020-10-12 10:33:41,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 10:33:41,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 10:33:41,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 10:33:41,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 10:33:41,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 10:33:41,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af20ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41, skipping insertion in model container [2020-10-12 10:33:41,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 10:33:41,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 10:33:41,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:33:41,418 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 10:33:41,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:33:41,603 INFO L208 MainTranslator]: Completed translation [2020-10-12 10:33:41,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41 WrapperNode [2020-10-12 10:33:41,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 10:33:41,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 10:33:41,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 10:33:41,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 10:33:41,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (1/1) ... [2020-10-12 10:33:41,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 10:33:41,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 10:33:41,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 10:33:41,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 10:33:41,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 10:33:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 10:33:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 10:33:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-12 10:33:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 10:33:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 10:33:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 10:33:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 10:33:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 10:33:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 10:33:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-12 10:33:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 10:33:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 10:33:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 10:33:41,939 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 10:33:42,430 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-12 10:33:42,430 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-12 10:33:42,444 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 10:33:42,444 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 10:33:42,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:33:42 BoogieIcfgContainer [2020-10-12 10:33:42,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 10:33:42,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 10:33:42,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 10:33:42,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 10:33:42,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:33:41" (1/3) ... [2020-10-12 10:33:42,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba14cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:33:42, skipping insertion in model container [2020-10-12 10:33:42,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:33:41" (2/3) ... [2020-10-12 10:33:42,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba14cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:33:42, skipping insertion in model container [2020-10-12 10:33:42,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:33:42" (3/3) ... [2020-10-12 10:33:42,466 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-10-12 10:33:42,474 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 10:33:42,481 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 10:33:42,494 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 10:33:42,516 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 10:33:42,516 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 10:33:42,516 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 10:33:42,516 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 10:33:42,516 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 10:33:42,517 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 10:33:42,517 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 10:33:42,517 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 10:33:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-10-12 10:33:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-12 10:33:42,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:42,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:42,551 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:42,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:42,557 INFO L82 PathProgramCache]: Analyzing trace with hash -948982516, now seen corresponding path program 1 times [2020-10-12 10:33:42,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:42,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438512470] [2020-10-12 10:33:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:42,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:43,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:43,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:43,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:43,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 10:33:43,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:33:43,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-12 10:33:43,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:43,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:33:43,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 10:33:43,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 10:33:43,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 10:33:43,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:43,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:43,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:43,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:43,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:43,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:43,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:43,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:43,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:43,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:43,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:33:43,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438512470] [2020-10-12 10:33:43,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:43,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 10:33:43,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131838350] [2020-10-12 10:33:43,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:33:43,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:43,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:33:43,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:33:43,350 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 5 states. [2020-10-12 10:33:43,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:43,742 INFO L93 Difference]: Finished difference Result 337 states and 575 transitions. [2020-10-12 10:33:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 10:33:43,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-10-12 10:33:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:43,760 INFO L225 Difference]: With dead ends: 337 [2020-10-12 10:33:43,760 INFO L226 Difference]: Without dead ends: 179 [2020-10-12 10:33:43,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:33:43,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-12 10:33:43,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 173. [2020-10-12 10:33:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-12 10:33:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 279 transitions. [2020-10-12 10:33:43,829 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 279 transitions. Word has length 49 [2020-10-12 10:33:43,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:43,830 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 279 transitions. [2020-10-12 10:33:43,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:33:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2020-10-12 10:33:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-12 10:33:43,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:43,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:43,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 10:33:43,834 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:43,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:43,834 INFO L82 PathProgramCache]: Analyzing trace with hash 639336974, now seen corresponding path program 1 times [2020-10-12 10:33:43,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:43,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945366241] [2020-10-12 10:33:43,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:43,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:43,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:43,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:44,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:44,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 10:33:44,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:33:44,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-12 10:33:44,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:33:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 10:33:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 10:33:44,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:33:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:44,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:44,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:44,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:44,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:33:44,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:33:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:33:44,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945366241] [2020-10-12 10:33:44,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:44,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 10:33:44,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907540946] [2020-10-12 10:33:44,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:33:44,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:44,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:33:44,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:33:44,217 INFO L87 Difference]: Start difference. First operand 173 states and 279 transitions. Second operand 5 states. [2020-10-12 10:33:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:44,556 INFO L93 Difference]: Finished difference Result 382 states and 629 transitions. [2020-10-12 10:33:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 10:33:44,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-10-12 10:33:44,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:44,560 INFO L225 Difference]: With dead ends: 382 [2020-10-12 10:33:44,560 INFO L226 Difference]: Without dead ends: 220 [2020-10-12 10:33:44,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:33:44,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-12 10:33:44,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 214. [2020-10-12 10:33:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-12 10:33:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 356 transitions. [2020-10-12 10:33:44,583 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 356 transitions. Word has length 50 [2020-10-12 10:33:44,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:44,584 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 356 transitions. [2020-10-12 10:33:44,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:33:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 356 transitions. [2020-10-12 10:33:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-12 10:33:44,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:44,588 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 10:33:44,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 10:33:44,588 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:44,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:44,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1713661290, now seen corresponding path program 1 times [2020-10-12 10:33:44,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:44,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997115057] [2020-10-12 10:33:44,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:44,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:44,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:44,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:44,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 10:33:44,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:33:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-12 10:33:44,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:33:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 10:33:44,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 10:33:44,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:33:44,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:44,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:44,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:44,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:44,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:44,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:44,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:44,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:44,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:33:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 10:33:44,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997115057] [2020-10-12 10:33:44,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:44,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 10:33:44,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775531030] [2020-10-12 10:33:44,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:33:44,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:44,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:33:44,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:33:44,817 INFO L87 Difference]: Start difference. First operand 214 states and 356 transitions. Second operand 5 states. [2020-10-12 10:33:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:44,978 INFO L93 Difference]: Finished difference Result 436 states and 731 transitions. [2020-10-12 10:33:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 10:33:44,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-10-12 10:33:44,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:44,980 INFO L225 Difference]: With dead ends: 436 [2020-10-12 10:33:44,981 INFO L226 Difference]: Without dead ends: 235 [2020-10-12 10:33:44,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:33:44,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-12 10:33:44,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 232. [2020-10-12 10:33:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-12 10:33:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 379 transitions. [2020-10-12 10:33:44,997 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 379 transitions. Word has length 78 [2020-10-12 10:33:44,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:44,997 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 379 transitions. [2020-10-12 10:33:44,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:33:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 379 transitions. [2020-10-12 10:33:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-12 10:33:45,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:45,001 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 10:33:45,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 10:33:45,002 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:45,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:45,002 INFO L82 PathProgramCache]: Analyzing trace with hash -326554725, now seen corresponding path program 1 times [2020-10-12 10:33:45,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:45,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756200904] [2020-10-12 10:33:45,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:45,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:45,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 10:33:45,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:33:45,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-12 10:33:45,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:45,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 10:33:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 10:33:45,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:45,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:45,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:45,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:45,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:45,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:45,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:45,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:45,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:45,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:45,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 10:33:45,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756200904] [2020-10-12 10:33:45,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:45,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:45,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875680824] [2020-10-12 10:33:45,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:45,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:45,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:45,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:45,226 INFO L87 Difference]: Start difference. First operand 232 states and 379 transitions. Second operand 3 states. [2020-10-12 10:33:45,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:45,272 INFO L93 Difference]: Finished difference Result 668 states and 1102 transitions. [2020-10-12 10:33:45,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:45,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-10-12 10:33:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:45,276 INFO L225 Difference]: With dead ends: 668 [2020-10-12 10:33:45,276 INFO L226 Difference]: Without dead ends: 449 [2020-10-12 10:33:45,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:45,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-10-12 10:33:45,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2020-10-12 10:33:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-10-12 10:33:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 736 transitions. [2020-10-12 10:33:45,299 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 736 transitions. Word has length 94 [2020-10-12 10:33:45,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:45,300 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 736 transitions. [2020-10-12 10:33:45,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 736 transitions. [2020-10-12 10:33:45,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 10:33:45,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:45,304 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:45,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 10:33:45,304 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:45,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:45,304 INFO L82 PathProgramCache]: Analyzing trace with hash 240829032, now seen corresponding path program 1 times [2020-10-12 10:33:45,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:45,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855845623] [2020-10-12 10:33:45,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:45,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:45,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 10:33:45,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:33:45,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-12 10:33:45,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 10:33:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 10:33:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:33:45,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:45,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:45,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:45,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:33:45,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:45,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 10:33:45,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855845623] [2020-10-12 10:33:45,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:45,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:45,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722864091] [2020-10-12 10:33:45,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:45,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:45,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:45,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:45,535 INFO L87 Difference]: Start difference. First operand 449 states and 736 transitions. Second operand 3 states. [2020-10-12 10:33:45,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:45,764 INFO L93 Difference]: Finished difference Result 989 states and 1637 transitions. [2020-10-12 10:33:45,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:45,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-10-12 10:33:45,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:45,768 INFO L225 Difference]: With dead ends: 989 [2020-10-12 10:33:45,768 INFO L226 Difference]: Without dead ends: 553 [2020-10-12 10:33:45,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:45,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-10-12 10:33:45,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 531. [2020-10-12 10:33:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-10-12 10:33:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 780 transitions. [2020-10-12 10:33:45,795 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 780 transitions. Word has length 115 [2020-10-12 10:33:45,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:45,796 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 780 transitions. [2020-10-12 10:33:45,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 780 transitions. [2020-10-12 10:33:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 10:33:45,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:45,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:45,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 10:33:45,800 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:45,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:45,800 INFO L82 PathProgramCache]: Analyzing trace with hash -726521622, now seen corresponding path program 1 times [2020-10-12 10:33:45,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:45,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610657177] [2020-10-12 10:33:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:45,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:45,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 10:33:45,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:33:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-12 10:33:45,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 10:33:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 10:33:45,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:46,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:46,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:46,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:46,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:46,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:46,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:46,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 10:33:46,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610657177] [2020-10-12 10:33:46,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:46,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:46,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361460193] [2020-10-12 10:33:46,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:46,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:46,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:46,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:46,053 INFO L87 Difference]: Start difference. First operand 531 states and 780 transitions. Second operand 3 states. [2020-10-12 10:33:46,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:46,317 INFO L93 Difference]: Finished difference Result 1149 states and 1721 transitions. [2020-10-12 10:33:46,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:46,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-10-12 10:33:46,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:46,326 INFO L225 Difference]: With dead ends: 1149 [2020-10-12 10:33:46,326 INFO L226 Difference]: Without dead ends: 631 [2020-10-12 10:33:46,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:46,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-10-12 10:33:46,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 593. [2020-10-12 10:33:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-12 10:33:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 874 transitions. [2020-10-12 10:33:46,404 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 874 transitions. Word has length 115 [2020-10-12 10:33:46,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:46,405 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 874 transitions. [2020-10-12 10:33:46,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 874 transitions. [2020-10-12 10:33:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-12 10:33:46,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:46,414 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, 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] [2020-10-12 10:33:46,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 10:33:46,414 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:46,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:46,415 INFO L82 PathProgramCache]: Analyzing trace with hash 320501393, now seen corresponding path program 1 times [2020-10-12 10:33:46,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:46,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141981285] [2020-10-12 10:33:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:46,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:46,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:46,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-12 10:33:46,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:46,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-12 10:33:46,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 10:33:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 10:33:46,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:33:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:46,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:46,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:46,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:46,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:46,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:46,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:46,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 10:33:46,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141981285] [2020-10-12 10:33:46,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:46,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:46,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013886128] [2020-10-12 10:33:46,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:46,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:46,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:46,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:46,632 INFO L87 Difference]: Start difference. First operand 593 states and 874 transitions. Second operand 3 states. [2020-10-12 10:33:46,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:46,695 INFO L93 Difference]: Finished difference Result 884 states and 1305 transitions. [2020-10-12 10:33:46,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:46,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-12 10:33:46,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:46,703 INFO L225 Difference]: With dead ends: 884 [2020-10-12 10:33:46,703 INFO L226 Difference]: Without dead ends: 882 [2020-10-12 10:33:46,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:46,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-12 10:33:46,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2020-10-12 10:33:46,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-12 10:33:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1302 transitions. [2020-10-12 10:33:46,735 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1302 transitions. Word has length 126 [2020-10-12 10:33:46,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:46,735 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 1302 transitions. [2020-10-12 10:33:46,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1302 transitions. [2020-10-12 10:33:46,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 10:33:46,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:46,741 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, 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] [2020-10-12 10:33:46,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 10:33:46,742 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:46,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:46,742 INFO L82 PathProgramCache]: Analyzing trace with hash 649121278, now seen corresponding path program 1 times [2020-10-12 10:33:46,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:46,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028198315] [2020-10-12 10:33:46,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:46,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:46,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:46,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:47,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:47,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 10:33:47,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 10:33:47,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-12 10:33:47,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 10:33:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 10:33:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:33:47,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:47,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:47,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:47,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:47,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:33:47,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-12 10:33:47,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028198315] [2020-10-12 10:33:47,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:47,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:47,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978207848] [2020-10-12 10:33:47,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:47,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:47,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:47,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:47,485 INFO L87 Difference]: Start difference. First operand 882 states and 1302 transitions. Second operand 3 states. [2020-10-12 10:33:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:47,698 INFO L93 Difference]: Finished difference Result 1921 states and 2844 transitions. [2020-10-12 10:33:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:47,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-10-12 10:33:47,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:47,704 INFO L225 Difference]: With dead ends: 1921 [2020-10-12 10:33:47,705 INFO L226 Difference]: Without dead ends: 998 [2020-10-12 10:33:47,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:47,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2020-10-12 10:33:47,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 975. [2020-10-12 10:33:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-10-12 10:33:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1383 transitions. [2020-10-12 10:33:47,742 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1383 transitions. Word has length 153 [2020-10-12 10:33:47,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:47,742 INFO L479 AbstractCegarLoop]: Abstraction has 975 states and 1383 transitions. [2020-10-12 10:33:47,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:47,743 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1383 transitions. [2020-10-12 10:33:47,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 10:33:47,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:47,747 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:47,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 10:33:47,747 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:47,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:47,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1366892912, now seen corresponding path program 1 times [2020-10-12 10:33:47,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:47,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649373205] [2020-10-12 10:33:47,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:47,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:47,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:47,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:47,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:48,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:48,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:48,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-12 10:33:48,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 10:33:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 859 [2020-10-12 10:33:48,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-12 10:33:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 10:33:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:48,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:48,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:48,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:48,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:48,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:48,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:48,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:48,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-12 10:33:48,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649373205] [2020-10-12 10:33:48,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:48,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:48,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133148813] [2020-10-12 10:33:48,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:48,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:48,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:48,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:48,713 INFO L87 Difference]: Start difference. First operand 975 states and 1383 transitions. Second operand 3 states. [2020-10-12 10:33:48,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:48,777 INFO L93 Difference]: Finished difference Result 2257 states and 3204 transitions. [2020-10-12 10:33:48,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:48,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-10-12 10:33:48,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:48,785 INFO L225 Difference]: With dead ends: 2257 [2020-10-12 10:33:48,786 INFO L226 Difference]: Without dead ends: 1295 [2020-10-12 10:33:48,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:48,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-12 10:33:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2020-10-12 10:33:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-10-12 10:33:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1837 transitions. [2020-10-12 10:33:48,856 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1837 transitions. Word has length 173 [2020-10-12 10:33:48,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:48,857 INFO L479 AbstractCegarLoop]: Abstraction has 1295 states and 1837 transitions. [2020-10-12 10:33:48,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:48,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1837 transitions. [2020-10-12 10:33:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-12 10:33:48,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:48,864 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:48,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 10:33:48,864 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:48,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:48,865 INFO L82 PathProgramCache]: Analyzing trace with hash 215830562, now seen corresponding path program 1 times [2020-10-12 10:33:48,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:48,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [307427976] [2020-10-12 10:33:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:48,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:48,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:49,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:49,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:49,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:49,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:49,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:50,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:50,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 10:33:50,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 10:33:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1653 [2020-10-12 10:33:50,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 10:33:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 10:33:50,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:50,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:50,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:50,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:50,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:50,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:50,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:50,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:50,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:33:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2020-10-12 10:33:50,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [307427976] [2020-10-12 10:33:50,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:50,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:50,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328443336] [2020-10-12 10:33:50,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:50,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:50,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:50,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:50,659 INFO L87 Difference]: Start difference. First operand 1295 states and 1837 transitions. Second operand 3 states. [2020-10-12 10:33:50,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:50,914 INFO L93 Difference]: Finished difference Result 2804 states and 4016 transitions. [2020-10-12 10:33:50,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:50,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-12 10:33:50,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:50,922 INFO L225 Difference]: With dead ends: 2804 [2020-10-12 10:33:50,923 INFO L226 Difference]: Without dead ends: 1458 [2020-10-12 10:33:50,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2020-10-12 10:33:50,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1395. [2020-10-12 10:33:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2020-10-12 10:33:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1965 transitions. [2020-10-12 10:33:51,006 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1965 transitions. Word has length 226 [2020-10-12 10:33:51,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:51,007 INFO L479 AbstractCegarLoop]: Abstraction has 1395 states and 1965 transitions. [2020-10-12 10:33:51,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1965 transitions. [2020-10-12 10:33:51,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-12 10:33:51,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:51,015 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-10-12 10:33:51,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 10:33:51,015 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:51,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:51,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1052815174, now seen corresponding path program 1 times [2020-10-12 10:33:51,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:51,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805301782] [2020-10-12 10:33:51,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:51,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:51,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:51,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:51,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:51,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:51,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:51,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:52,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:52,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 10:33:52,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 10:33:52,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327 [2020-10-12 10:33:52,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:33:52,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-12 10:33:52,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 10:33:52,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:52,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:52,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:52,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:52,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:52,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:52,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:52,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:52,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 271 proven. 85 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-12 10:33:52,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805301782] [2020-10-12 10:33:52,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:33:52,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 10:33:52,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490780604] [2020-10-12 10:33:52,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:33:52,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:52,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:33:52,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:33:52,540 INFO L87 Difference]: Start difference. First operand 1395 states and 1965 transitions. Second operand 5 states. [2020-10-12 10:33:53,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:53,273 INFO L93 Difference]: Finished difference Result 4781 states and 6769 transitions. [2020-10-12 10:33:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 10:33:53,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-10-12 10:33:53,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:53,290 INFO L225 Difference]: With dead ends: 4781 [2020-10-12 10:33:53,291 INFO L226 Difference]: Without dead ends: 3399 [2020-10-12 10:33:53,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:33:53,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2020-10-12 10:33:53,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 2859. [2020-10-12 10:33:53,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2859 states. [2020-10-12 10:33:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 3878 transitions. [2020-10-12 10:33:53,402 INFO L78 Accepts]: Start accepts. Automaton has 2859 states and 3878 transitions. Word has length 235 [2020-10-12 10:33:53,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:53,403 INFO L479 AbstractCegarLoop]: Abstraction has 2859 states and 3878 transitions. [2020-10-12 10:33:53,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:33:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 3878 transitions. [2020-10-12 10:33:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-12 10:33:53,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:53,413 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:53,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 10:33:53,413 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:53,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:53,414 INFO L82 PathProgramCache]: Analyzing trace with hash -695613160, now seen corresponding path program 1 times [2020-10-12 10:33:53,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:53,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823833440] [2020-10-12 10:33:53,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:53,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:53,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:53,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:53,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:53,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:53,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:54,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:54,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:54,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-12 10:33:54,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 10:33:54,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1274 [2020-10-12 10:33:54,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:54,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:33:54,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-12 10:33:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 10:33:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:54,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:54,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:54,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:54,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:54,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:54,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:33:54,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:54,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 272 proven. 86 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-12 10:33:54,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823833440] [2020-10-12 10:33:54,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:33:54,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 10:33:54,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348810631] [2020-10-12 10:33:54,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:33:54,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:54,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:33:54,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:33:54,862 INFO L87 Difference]: Start difference. First operand 2859 states and 3878 transitions. Second operand 5 states. [2020-10-12 10:33:55,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:55,619 INFO L93 Difference]: Finished difference Result 7725 states and 10477 transitions. [2020-10-12 10:33:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 10:33:55,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-12 10:33:55,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:55,641 INFO L225 Difference]: With dead ends: 7725 [2020-10-12 10:33:55,641 INFO L226 Difference]: Without dead ends: 4879 [2020-10-12 10:33:55,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:33:55,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2020-10-12 10:33:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4323. [2020-10-12 10:33:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4323 states. [2020-10-12 10:33:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 4323 states and 5791 transitions. [2020-10-12 10:33:55,791 INFO L78 Accepts]: Start accepts. Automaton has 4323 states and 5791 transitions. Word has length 236 [2020-10-12 10:33:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:55,792 INFO L479 AbstractCegarLoop]: Abstraction has 4323 states and 5791 transitions. [2020-10-12 10:33:55,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:33:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4323 states and 5791 transitions. [2020-10-12 10:33:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-12 10:33:55,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:55,804 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:55,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 10:33:55,805 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:55,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:55,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1841442113, now seen corresponding path program 1 times [2020-10-12 10:33:55,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:55,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894888840] [2020-10-12 10:33:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:55,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:55,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:55,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:55,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:56,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:56,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:56,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 10:33:56,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 10:33:56,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 661 [2020-10-12 10:33:56,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:56,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:56,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 10:33:56,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 10:33:56,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:56,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:56,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:56,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:56,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:56,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:56,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:56,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-10-12 10:33:56,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894888840] [2020-10-12 10:33:56,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:56,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:56,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985418882] [2020-10-12 10:33:56,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:56,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:56,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:56,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:56,634 INFO L87 Difference]: Start difference. First operand 4323 states and 5791 transitions. Second operand 3 states. [2020-10-12 10:33:56,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:56,926 INFO L93 Difference]: Finished difference Result 8746 states and 11675 transitions. [2020-10-12 10:33:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:56,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-10-12 10:33:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:56,947 INFO L225 Difference]: With dead ends: 8746 [2020-10-12 10:33:56,947 INFO L226 Difference]: Without dead ends: 4436 [2020-10-12 10:33:56,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:56,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2020-10-12 10:33:57,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 3539. [2020-10-12 10:33:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3539 states. [2020-10-12 10:33:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4765 transitions. [2020-10-12 10:33:57,095 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4765 transitions. Word has length 246 [2020-10-12 10:33:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:57,095 INFO L479 AbstractCegarLoop]: Abstraction has 3539 states and 4765 transitions. [2020-10-12 10:33:57,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4765 transitions. [2020-10-12 10:33:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-12 10:33:57,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:57,109 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:57,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 10:33:57,109 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:57,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:57,110 INFO L82 PathProgramCache]: Analyzing trace with hash 951090743, now seen corresponding path program 1 times [2020-10-12 10:33:57,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:57,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611750261] [2020-10-12 10:33:57,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:57,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:57,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:57,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:57,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-12 10:33:57,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:33:57,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-12 10:33:57,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:57,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 10:33:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 10:33:57,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:57,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:57,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:57,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:57,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:57,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-10-12 10:33:57,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [611750261] [2020-10-12 10:33:57,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:57,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:57,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007962039] [2020-10-12 10:33:57,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:57,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:57,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:57,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:57,583 INFO L87 Difference]: Start difference. First operand 3539 states and 4765 transitions. Second operand 3 states. [2020-10-12 10:33:57,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:57,717 INFO L93 Difference]: Finished difference Result 8327 states and 11277 transitions. [2020-10-12 10:33:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:33:57,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 276 [2020-10-12 10:33:57,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:57,745 INFO L225 Difference]: With dead ends: 8327 [2020-10-12 10:33:57,745 INFO L226 Difference]: Without dead ends: 4801 [2020-10-12 10:33:57,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4801 states. [2020-10-12 10:33:57,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4801 to 4767. [2020-10-12 10:33:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4767 states. [2020-10-12 10:33:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 6460 transitions. [2020-10-12 10:33:57,993 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 6460 transitions. Word has length 276 [2020-10-12 10:33:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:57,993 INFO L479 AbstractCegarLoop]: Abstraction has 4767 states and 6460 transitions. [2020-10-12 10:33:57,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:33:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 6460 transitions. [2020-10-12 10:33:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-12 10:33:58,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:58,010 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:58,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 10:33:58,011 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:58,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:58,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1122978668, now seen corresponding path program 1 times [2020-10-12 10:33:58,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:58,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777042763] [2020-10-12 10:33:58,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:58,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:58,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:58,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:58,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:58,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 10:33:58,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:33:58,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-12 10:33:58,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:33:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-10-12 10:33:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 10:33:58,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:58,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:58,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:58,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:58,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:33:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:58,581 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 328 proven. 12 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-10-12 10:33:58,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777042763] [2020-10-12 10:33:58,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:33:58,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 10:33:58,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563097650] [2020-10-12 10:33:58,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 10:33:58,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:58,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 10:33:58,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 10:33:58,584 INFO L87 Difference]: Start difference. First operand 4767 states and 6460 transitions. Second operand 4 states. [2020-10-12 10:33:59,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:33:59,045 INFO L93 Difference]: Finished difference Result 12191 states and 16418 transitions. [2020-10-12 10:33:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 10:33:59,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 277 [2020-10-12 10:33:59,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:33:59,092 INFO L225 Difference]: With dead ends: 12191 [2020-10-12 10:33:59,092 INFO L226 Difference]: Without dead ends: 7437 [2020-10-12 10:33:59,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:33:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7437 states. [2020-10-12 10:33:59,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7437 to 6619. [2020-10-12 10:33:59,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6619 states. [2020-10-12 10:33:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6619 states to 6619 states and 8972 transitions. [2020-10-12 10:33:59,417 INFO L78 Accepts]: Start accepts. Automaton has 6619 states and 8972 transitions. Word has length 277 [2020-10-12 10:33:59,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:33:59,418 INFO L479 AbstractCegarLoop]: Abstraction has 6619 states and 8972 transitions. [2020-10-12 10:33:59,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 10:33:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 6619 states and 8972 transitions. [2020-10-12 10:33:59,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-12 10:33:59,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:33:59,437 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:33:59,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 10:33:59,438 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:33:59,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:33:59,438 INFO L82 PathProgramCache]: Analyzing trace with hash -322721416, now seen corresponding path program 1 times [2020-10-12 10:33:59,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:33:59,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825775089] [2020-10-12 10:33:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:33:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:59,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:59,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:59,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 10:33:59,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:59,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 10:33:59,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:33:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-12 10:33:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 10:33:59,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:59,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:33:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:33:59,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:33:59,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:33:59,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:33:59,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:33:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:33:59,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:33:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:33:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:33:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:33:59,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:33:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2020-10-12 10:33:59,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825775089] [2020-10-12 10:33:59,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:33:59,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:33:59,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329066488] [2020-10-12 10:33:59,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:33:59,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:33:59,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:33:59,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:33:59,734 INFO L87 Difference]: Start difference. First operand 6619 states and 8972 transitions. Second operand 3 states. [2020-10-12 10:34:00,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:34:00,153 INFO L93 Difference]: Finished difference Result 13029 states and 17803 transitions. [2020-10-12 10:34:00,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:34:00,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2020-10-12 10:34:00,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:34:00,168 INFO L225 Difference]: With dead ends: 13029 [2020-10-12 10:34:00,168 INFO L226 Difference]: Without dead ends: 3025 [2020-10-12 10:34:00,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:00,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3025 states. [2020-10-12 10:34:00,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3025 to 2646. [2020-10-12 10:34:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2646 states. [2020-10-12 10:34:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3624 transitions. [2020-10-12 10:34:00,336 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3624 transitions. Word has length 297 [2020-10-12 10:34:00,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:34:00,336 INFO L479 AbstractCegarLoop]: Abstraction has 2646 states and 3624 transitions. [2020-10-12 10:34:00,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:34:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3624 transitions. [2020-10-12 10:34:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-12 10:34:00,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:34:00,353 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, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-10-12 10:34:00,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 10:34:00,353 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:34:00,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:34:00,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1057274297, now seen corresponding path program 1 times [2020-10-12 10:34:00,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:34:00,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128662539] [2020-10-12 10:34:00,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:34:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:00,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:00,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:01,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:01,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-12 10:34:01,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:34:01,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1041 [2020-10-12 10:34:01,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:34:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-12 10:34:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 10:34:01,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:01,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:34:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:01,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:01,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:34:01,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:01,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:34:01,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:34:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:01,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 645 proven. 26 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2020-10-12 10:34:01,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128662539] [2020-10-12 10:34:01,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:34:01,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 10:34:01,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426836002] [2020-10-12 10:34:01,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 10:34:01,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:34:01,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 10:34:01,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 10:34:01,627 INFO L87 Difference]: Start difference. First operand 2646 states and 3624 transitions. Second operand 4 states. [2020-10-12 10:34:02,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:34:02,025 INFO L93 Difference]: Finished difference Result 6855 states and 9342 transitions. [2020-10-12 10:34:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 10:34:02,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 322 [2020-10-12 10:34:02,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:34:02,036 INFO L225 Difference]: With dead ends: 6855 [2020-10-12 10:34:02,036 INFO L226 Difference]: Without dead ends: 4002 [2020-10-12 10:34:02,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:34:02,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4002 states. [2020-10-12 10:34:02,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4002 to 2646. [2020-10-12 10:34:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2646 states. [2020-10-12 10:34:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3624 transitions. [2020-10-12 10:34:02,141 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3624 transitions. Word has length 322 [2020-10-12 10:34:02,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:34:02,142 INFO L479 AbstractCegarLoop]: Abstraction has 2646 states and 3624 transitions. [2020-10-12 10:34:02,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 10:34:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3624 transitions. [2020-10-12 10:34:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-12 10:34:02,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:34:02,151 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:34:02,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 10:34:02,151 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:34:02,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:34:02,152 INFO L82 PathProgramCache]: Analyzing trace with hash -2106979407, now seen corresponding path program 1 times [2020-10-12 10:34:02,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:34:02,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082010653] [2020-10-12 10:34:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:34:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:02,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:02,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:02,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:02,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:02,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:03,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:03,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-12 10:34:03,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 10:34:03,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1107 [2020-10-12 10:34:03,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:03,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:34:03,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-12 10:34:03,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 10:34:03,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:03,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:34:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:03,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:03,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:03,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:34:03,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:03,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:34:03,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:03,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:03,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:34:03,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:03,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 694 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2020-10-12 10:34:03,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082010653] [2020-10-12 10:34:03,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:34:03,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:34:03,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842681922] [2020-10-12 10:34:03,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:34:03,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:34:03,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:34:03,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:03,420 INFO L87 Difference]: Start difference. First operand 2646 states and 3624 transitions. Second operand 3 states. [2020-10-12 10:34:03,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:34:03,650 INFO L93 Difference]: Finished difference Result 5554 states and 7651 transitions. [2020-10-12 10:34:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:34:03,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 339 [2020-10-12 10:34:03,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:34:03,659 INFO L225 Difference]: With dead ends: 5554 [2020-10-12 10:34:03,659 INFO L226 Difference]: Without dead ends: 2876 [2020-10-12 10:34:03,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:03,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2020-10-12 10:34:03,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 2831. [2020-10-12 10:34:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2020-10-12 10:34:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3874 transitions. [2020-10-12 10:34:03,804 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3874 transitions. Word has length 339 [2020-10-12 10:34:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:34:03,805 INFO L479 AbstractCegarLoop]: Abstraction has 2831 states and 3874 transitions. [2020-10-12 10:34:03,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:34:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3874 transitions. [2020-10-12 10:34:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-10-12 10:34:03,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:34:03,819 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 9, 9, 7, 7, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-12 10:34:03,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 10:34:03,819 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:34:03,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:34:03,820 INFO L82 PathProgramCache]: Analyzing trace with hash 2053385967, now seen corresponding path program 1 times [2020-10-12 10:34:03,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:34:03,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413182441] [2020-10-12 10:34:03,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:34:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:03,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:03,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:03,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:04,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:04,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:04,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:04,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:06,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:06,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-10-12 10:34:06,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 10:34:06,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2442 [2020-10-12 10:34:06,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:34:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-12 10:34:06,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 10:34:06,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:06,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:34:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:06,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:06,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:06,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:34:06,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:06,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:34:06,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:06,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:34:06,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:06,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 736 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2020-10-12 10:34:06,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413182441] [2020-10-12 10:34:06,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:34:06,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:34:06,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231641968] [2020-10-12 10:34:06,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:34:06,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:34:06,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:34:06,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:06,515 INFO L87 Difference]: Start difference. First operand 2831 states and 3874 transitions. Second operand 3 states. [2020-10-12 10:34:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:34:06,750 INFO L93 Difference]: Finished difference Result 6105 states and 8428 transitions. [2020-10-12 10:34:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:34:06,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2020-10-12 10:34:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:34:06,758 INFO L225 Difference]: With dead ends: 6105 [2020-10-12 10:34:06,758 INFO L226 Difference]: Without dead ends: 3177 [2020-10-12 10:34:06,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:06,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3177 states. [2020-10-12 10:34:06,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3177 to 3101. [2020-10-12 10:34:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3101 states. [2020-10-12 10:34:06,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 4234 transitions. [2020-10-12 10:34:06,855 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 4234 transitions. Word has length 370 [2020-10-12 10:34:06,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:34:06,856 INFO L479 AbstractCegarLoop]: Abstraction has 3101 states and 4234 transitions. [2020-10-12 10:34:06,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:34:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 4234 transitions. [2020-10-12 10:34:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2020-10-12 10:34:06,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:34:06,867 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 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, 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] [2020-10-12 10:34:06,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 10:34:06,867 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:34:06,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:34:06,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1084741323, now seen corresponding path program 1 times [2020-10-12 10:34:06,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:34:06,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187333244] [2020-10-12 10:34:06,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:34:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:07,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:07,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:07,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:07,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:07,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:09,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:09,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 424 [2020-10-12 10:34:09,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 10:34:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2730 [2020-10-12 10:34:09,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:34:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-12 10:34:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 10:34:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:09,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:34:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:09,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:09,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:09,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:34:09,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:34:09,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:34:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:09,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1818 backedges. 1014 proven. 0 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2020-10-12 10:34:09,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187333244] [2020-10-12 10:34:09,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:34:09,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:34:09,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302322420] [2020-10-12 10:34:09,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:34:09,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:34:09,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:34:09,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:09,797 INFO L87 Difference]: Start difference. First operand 3101 states and 4234 transitions. Second operand 3 states. [2020-10-12 10:34:10,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:34:10,050 INFO L93 Difference]: Finished difference Result 6390 states and 8753 transitions. [2020-10-12 10:34:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:34:10,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 416 [2020-10-12 10:34:10,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:34:10,058 INFO L225 Difference]: With dead ends: 6390 [2020-10-12 10:34:10,058 INFO L226 Difference]: Without dead ends: 3212 [2020-10-12 10:34:10,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:10,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2020-10-12 10:34:10,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2569. [2020-10-12 10:34:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2569 states. [2020-10-12 10:34:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3492 transitions. [2020-10-12 10:34:10,141 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3492 transitions. Word has length 416 [2020-10-12 10:34:10,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:34:10,141 INFO L479 AbstractCegarLoop]: Abstraction has 2569 states and 3492 transitions. [2020-10-12 10:34:10,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:34:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3492 transitions. [2020-10-12 10:34:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2020-10-12 10:34:10,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:34:10,245 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 13, 13, 11, 11, 9, 9, 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, 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] [2020-10-12 10:34:10,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 10:34:10,245 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:34:10,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:34:10,245 INFO L82 PathProgramCache]: Analyzing trace with hash -441104109, now seen corresponding path program 1 times [2020-10-12 10:34:10,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:34:10,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527302882] [2020-10-12 10:34:10,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:34:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:10,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:10,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:10,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:10,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:10,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:14,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:14,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 490 [2020-10-12 10:34:14,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 10:34:14,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3889 [2020-10-12 10:34:14,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:34:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 342 [2020-10-12 10:34:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 10:34:14,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:14,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:34:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:14,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:14,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:14,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:34:14,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:34:14,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:34:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2445 backedges. 1160 proven. 26 refuted. 0 times theorem prover too weak. 1259 trivial. 0 not checked. [2020-10-12 10:34:14,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527302882] [2020-10-12 10:34:14,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:34:14,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 10:34:14,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468474919] [2020-10-12 10:34:14,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 10:34:14,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:34:14,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 10:34:14,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 10:34:14,412 INFO L87 Difference]: Start difference. First operand 2569 states and 3492 transitions. Second operand 4 states. [2020-10-12 10:34:14,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:34:14,840 INFO L93 Difference]: Finished difference Result 5956 states and 8068 transitions. [2020-10-12 10:34:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 10:34:14,840 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 482 [2020-10-12 10:34:14,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:34:14,850 INFO L225 Difference]: With dead ends: 5956 [2020-10-12 10:34:14,850 INFO L226 Difference]: Without dead ends: 3345 [2020-10-12 10:34:14,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:34:14,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2020-10-12 10:34:14,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 2627. [2020-10-12 10:34:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2627 states. [2020-10-12 10:34:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2627 states and 3551 transitions. [2020-10-12 10:34:14,943 INFO L78 Accepts]: Start accepts. Automaton has 2627 states and 3551 transitions. Word has length 482 [2020-10-12 10:34:14,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:34:14,944 INFO L479 AbstractCegarLoop]: Abstraction has 2627 states and 3551 transitions. [2020-10-12 10:34:14,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 10:34:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3551 transitions. [2020-10-12 10:34:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2020-10-12 10:34:14,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:34:14,951 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 7, 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, 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] [2020-10-12 10:34:14,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 10:34:14,952 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:34:14,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:34:14,952 INFO L82 PathProgramCache]: Analyzing trace with hash -128835381, now seen corresponding path program 1 times [2020-10-12 10:34:14,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:34:14,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548718029] [2020-10-12 10:34:14,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:34:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:15,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:15,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:15,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:15,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:15,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:15,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:15,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:17,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:17,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 552 [2020-10-12 10:34:17,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 10:34:17,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2173 [2020-10-12 10:34:17,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:17,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:34:17,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 267 [2020-10-12 10:34:17,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 10:34:17,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:17,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:34:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:17,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:17,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:17,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 10:34:17,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:34:17,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:34:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3184 backedges. 1775 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2020-10-12 10:34:17,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548718029] [2020-10-12 10:34:17,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:34:17,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 10:34:17,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769870930] [2020-10-12 10:34:17,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 10:34:17,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:34:17,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 10:34:17,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:17,335 INFO L87 Difference]: Start difference. First operand 2627 states and 3551 transitions. Second operand 3 states. [2020-10-12 10:34:17,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:34:17,608 INFO L93 Difference]: Finished difference Result 3770 states and 5085 transitions. [2020-10-12 10:34:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 10:34:17,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 544 [2020-10-12 10:34:17,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:34:17,609 INFO L225 Difference]: With dead ends: 3770 [2020-10-12 10:34:17,609 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 10:34:17,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 10:34:17,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 10:34:17,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 10:34:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 10:34:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 10:34:17,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 544 [2020-10-12 10:34:17,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:34:17,618 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 10:34:17,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 10:34:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 10:34:17,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 10:34:17,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 10:34:17,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 10:34:17,759 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2020-10-12 10:34:18,206 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2020-10-12 10:34:18,994 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 170 [2020-10-12 10:34:19,506 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 152 [2020-10-12 10:34:19,894 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 27 [2020-10-12 10:34:20,056 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2020-10-12 10:34:20,246 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2020-10-12 10:34:20,476 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-10-12 10:34:20,738 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-10-12 10:34:20,942 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 27 [2020-10-12 10:34:21,339 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 31 [2020-10-12 10:34:21,536 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 31 [2020-10-12 10:34:21,684 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2020-10-12 10:34:21,852 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2020-10-12 10:34:23,117 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 148 DAG size of output: 58 [2020-10-12 10:34:23,400 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-10-12 10:34:23,630 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-10-12 10:34:23,928 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 28 [2020-10-12 10:34:24,756 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 58 [2020-10-12 10:34:24,964 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 22 [2020-10-12 10:34:25,143 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-10-12 10:34:25,525 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 24 [2020-10-12 10:34:25,735 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-10-12 10:34:25,740 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-12 10:34:25,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 10:34:25,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 10:34:25,740 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-12 10:34:25,740 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 10:34:25,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 10:34:25,741 INFO L264 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: (= 8464 main_~s~0) [2020-10-12 10:34:25,741 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 679 690) the Hoare annotation is: true [2020-10-12 10:34:25,741 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-10-12 10:34:25,741 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 679 690) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 679 690) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point L630(lines 630 654) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point L498-2(lines 209 590) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point L201(lines 201 595) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point L168(lines 168 606) no Hoare annotation was computed. [2020-10-12 10:34:25,742 INFO L268 CegarLoopResult]: For program point L135(lines 135 617) no Hoare annotation was computed. [2020-10-12 10:34:25,743 INFO L268 CegarLoopResult]: For program point L102(lines 102 628) no Hoare annotation was computed. [2020-10-12 10:34:25,743 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-12 10:34:25,743 INFO L268 CegarLoopResult]: For program point L631(lines 631 640) no Hoare annotation was computed. [2020-10-12 10:34:25,743 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2020-10-12 10:34:25,743 INFO L268 CegarLoopResult]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2020-10-12 10:34:25,743 INFO L268 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-10-12 10:34:25,743 INFO L264 CegarLoopResult]: At program point L202(lines 198 596) the Hoare annotation is: (let ((.cse0 (<= 8656 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (= 8464 |ssl3_accept_#in~initial_state|))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse2) (and (<= ssl3_accept_~blastFlag~0 1) .cse0) (not .cse2) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2))) [2020-10-12 10:34:25,744 INFO L264 CegarLoopResult]: At program point L103(lines 102 628) the Hoare annotation is: (let ((.cse0 (<= 8656 ssl3_accept_~s__state~0)) (.cse1 (not (= ssl3_accept_~s__state~0 8673))) (.cse2 (not (= ssl3_accept_~s__state~0 8672)))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,744 INFO L268 CegarLoopResult]: For program point L302(lines 302 306) no Hoare annotation was computed. [2020-10-12 10:34:25,744 INFO L268 CegarLoopResult]: For program point L302-2(lines 209 590) no Hoare annotation was computed. [2020-10-12 10:34:25,744 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-12 10:34:25,744 INFO L268 CegarLoopResult]: For program point L204(lines 204 594) no Hoare annotation was computed. [2020-10-12 10:34:25,744 INFO L268 CegarLoopResult]: For program point L171(lines 171 605) no Hoare annotation was computed. [2020-10-12 10:34:25,744 INFO L268 CegarLoopResult]: For program point L138(lines 138 616) no Hoare annotation was computed. [2020-10-12 10:34:25,745 INFO L268 CegarLoopResult]: For program point L105(lines 105 627) no Hoare annotation was computed. [2020-10-12 10:34:25,745 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-10-12 10:34:25,745 INFO L268 CegarLoopResult]: For program point L337-2(lines 209 590) no Hoare annotation was computed. [2020-10-12 10:34:25,745 INFO L264 CegarLoopResult]: At program point L205(lines 204 594) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (not (= ssl3_accept_~s__state~0 8672))) [2020-10-12 10:34:25,745 INFO L264 CegarLoopResult]: At program point L172(lines 168 606) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (not (= ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2 (<= ssl3_accept_~blastFlag~0 3)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2))) [2020-10-12 10:34:25,746 INFO L264 CegarLoopResult]: At program point L139(lines 135 617) the Hoare annotation is: (let ((.cse1 (<= 8448 ssl3_accept_~s__state~0)) (.cse0 (<= ssl3_accept_~s__state~0 8512))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse1 .cse0 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse1 .cse0 (<= ssl3_accept_~blastFlag~0 1)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,746 INFO L268 CegarLoopResult]: For program point L73(lines 73 81) no Hoare annotation was computed. [2020-10-12 10:34:25,746 INFO L268 CegarLoopResult]: For program point L437(lines 437 449) no Hoare annotation was computed. [2020-10-12 10:34:25,746 INFO L264 CegarLoopResult]: At program point L404(lines 395 415) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8672) .cse0 (not (= ssl3_accept_~s__hit~0 0)) (not (= ssl3_accept_~s__state~0 8672)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8560) .cse0 (<= ssl3_accept_~blastFlag~0 2)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,746 INFO L268 CegarLoopResult]: For program point L437-2(lines 437 449) no Hoare annotation was computed. [2020-10-12 10:34:25,746 INFO L268 CegarLoopResult]: For program point L174(lines 174 604) no Hoare annotation was computed. [2020-10-12 10:34:25,746 INFO L268 CegarLoopResult]: For program point L141(lines 141 615) no Hoare annotation was computed. [2020-10-12 10:34:25,746 INFO L268 CegarLoopResult]: For program point L108(lines 108 626) no Hoare annotation was computed. [2020-10-12 10:34:25,747 INFO L264 CegarLoopResult]: At program point L208(lines 207 593) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (not (= ssl3_accept_~s__state~0 8672))) [2020-10-12 10:34:25,747 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-10-12 10:34:25,747 INFO L268 CegarLoopResult]: For program point L76-2(lines 73 81) no Hoare annotation was computed. [2020-10-12 10:34:25,747 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 678) the Hoare annotation is: true [2020-10-12 10:34:25,747 INFO L268 CegarLoopResult]: For program point L539(lines 539 544) no Hoare annotation was computed. [2020-10-12 10:34:25,747 INFO L268 CegarLoopResult]: For program point L440(lines 440 445) no Hoare annotation was computed. [2020-10-12 10:34:25,747 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-10-12 10:34:25,747 INFO L268 CegarLoopResult]: For program point L242(lines 242 247) no Hoare annotation was computed. [2020-10-12 10:34:25,747 INFO L268 CegarLoopResult]: For program point L177(lines 177 603) no Hoare annotation was computed. [2020-10-12 10:34:25,748 INFO L268 CegarLoopResult]: For program point L144(lines 144 614) no Hoare annotation was computed. [2020-10-12 10:34:25,748 INFO L268 CegarLoopResult]: For program point L111(lines 111 625) no Hoare annotation was computed. [2020-10-12 10:34:25,748 INFO L268 CegarLoopResult]: For program point L574(lines 574 584) no Hoare annotation was computed. [2020-10-12 10:34:25,748 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2020-10-12 10:34:25,748 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-10-12 10:34:25,748 INFO L268 CegarLoopResult]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2020-10-12 10:34:25,748 INFO L264 CegarLoopResult]: At program point L178(lines 174 604) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (not (= ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2 (<= ssl3_accept_~blastFlag~0 3)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2))) [2020-10-12 10:34:25,748 INFO L264 CegarLoopResult]: At program point L145(lines 141 615) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8528)) (.cse1 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)))) [2020-10-12 10:34:25,749 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-10-12 10:34:25,749 INFO L264 CegarLoopResult]: At program point L212(lines 105 627) the Hoare annotation is: (let ((.cse0 (not (= ssl3_accept_~s__state~0 8673))) (.cse1 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__state~0 8448) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2020-10-12 10:34:25,749 INFO L271 CegarLoopResult]: At program point L675(lines 65 677) the Hoare annotation is: true [2020-10-12 10:34:25,749 INFO L268 CegarLoopResult]: For program point L642(lines 642 648) no Hoare annotation was computed. [2020-10-12 10:34:25,749 INFO L268 CegarLoopResult]: For program point L345(lines 345 377) no Hoare annotation was computed. [2020-10-12 10:34:25,749 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-10-12 10:34:25,749 INFO L268 CegarLoopResult]: For program point L312-2(lines 312 316) no Hoare annotation was computed. [2020-10-12 10:34:25,750 INFO L268 CegarLoopResult]: For program point L180(lines 180 602) no Hoare annotation was computed. [2020-10-12 10:34:25,750 INFO L268 CegarLoopResult]: For program point L147(lines 147 613) no Hoare annotation was computed. [2020-10-12 10:34:25,750 INFO L268 CegarLoopResult]: For program point L114(lines 114 624) no Hoare annotation was computed. [2020-10-12 10:34:25,750 INFO L268 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-10-12 10:34:25,750 INFO L268 CegarLoopResult]: For program point L83(lines 83 91) no Hoare annotation was computed. [2020-10-12 10:34:25,750 INFO L268 CegarLoopResult]: For program point L83-1(lines 65 677) no Hoare annotation was computed. [2020-10-12 10:34:25,750 INFO L268 CegarLoopResult]: For program point L348(lines 348 376) no Hoare annotation was computed. [2020-10-12 10:34:25,750 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 376) no Hoare annotation was computed. [2020-10-12 10:34:25,751 INFO L268 CegarLoopResult]: For program point L249(lines 249 262) no Hoare annotation was computed. [2020-10-12 10:34:25,751 INFO L268 CegarLoopResult]: For program point L183(lines 183 601) no Hoare annotation was computed. [2020-10-12 10:34:25,751 INFO L268 CegarLoopResult]: For program point L150(lines 150 612) no Hoare annotation was computed. [2020-10-12 10:34:25,751 INFO L268 CegarLoopResult]: For program point L117(lines 117 623) no Hoare annotation was computed. [2020-10-12 10:34:25,751 INFO L268 CegarLoopResult]: For program point L84(lines 84 88) no Hoare annotation was computed. [2020-10-12 10:34:25,751 INFO L268 CegarLoopResult]: For program point L349(lines 349 373) no Hoare annotation was computed. [2020-10-12 10:34:25,751 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-10-12 10:34:25,752 INFO L264 CegarLoopResult]: At program point L184(lines 180 602) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (not (= ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2))) [2020-10-12 10:34:25,752 INFO L264 CegarLoopResult]: At program point L151(lines 147 613) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8544) .cse0 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~s__state~0 8672) .cse0 (not (= ssl3_accept_~s__hit~0 0)) (not (= ssl3_accept_~s__state~0 8672)) (<= ssl3_accept_~blastFlag~0 3)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,752 INFO L268 CegarLoopResult]: For program point L217-2(lines 209 590) no Hoare annotation was computed. [2020-10-12 10:34:25,752 INFO L268 CegarLoopResult]: For program point L251(lines 251 256) no Hoare annotation was computed. [2020-10-12 10:34:25,752 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-10-12 10:34:25,752 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-10-12 10:34:25,752 INFO L268 CegarLoopResult]: For program point L285-2(lines 209 590) no Hoare annotation was computed. [2020-10-12 10:34:25,752 INFO L268 CegarLoopResult]: For program point L186(lines 186 600) no Hoare annotation was computed. [2020-10-12 10:34:25,753 INFO L268 CegarLoopResult]: For program point L153(lines 153 611) no Hoare annotation was computed. [2020-10-12 10:34:25,753 INFO L268 CegarLoopResult]: For program point L120(lines 120 622) no Hoare annotation was computed. [2020-10-12 10:34:25,753 INFO L268 CegarLoopResult]: For program point L385(lines 385 416) no Hoare annotation was computed. [2020-10-12 10:34:25,753 INFO L268 CegarLoopResult]: For program point L352(lines 352 372) no Hoare annotation was computed. [2020-10-12 10:34:25,753 INFO L264 CegarLoopResult]: At program point L121(lines 117 623) the Hoare annotation is: (let ((.cse1 (<= 8448 ssl3_accept_~s__state~0)) (.cse0 (<= ssl3_accept_~s__state~0 8512))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse1 .cse0 (<= ssl3_accept_~blastFlag~0 1)) (and .cse1 .cse0 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,753 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-10-12 10:34:25,753 INFO L268 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-10-12 10:34:25,753 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 678) no Hoare annotation was computed. [2020-10-12 10:34:25,753 INFO L268 CegarLoopResult]: For program point L519(lines 519 524) no Hoare annotation was computed. [2020-10-12 10:34:25,754 INFO L268 CegarLoopResult]: For program point L354(lines 354 358) no Hoare annotation was computed. [2020-10-12 10:34:25,754 INFO L268 CegarLoopResult]: For program point L321-1(lines 321 330) no Hoare annotation was computed. [2020-10-12 10:34:25,754 INFO L268 CegarLoopResult]: For program point L354-2(lines 352 370) no Hoare annotation was computed. [2020-10-12 10:34:25,754 INFO L268 CegarLoopResult]: For program point L189(lines 189 599) no Hoare annotation was computed. [2020-10-12 10:34:25,754 INFO L268 CegarLoopResult]: For program point L156(lines 156 610) no Hoare annotation was computed. [2020-10-12 10:34:25,754 INFO L268 CegarLoopResult]: For program point L123(lines 123 621) no Hoare annotation was computed. [2020-10-12 10:34:25,754 INFO L264 CegarLoopResult]: At program point L553(lines 65 677) the Hoare annotation is: (not (= 8464 |ssl3_accept_#in~initial_state|)) [2020-10-12 10:34:25,754 INFO L268 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-10-12 10:34:25,755 INFO L264 CegarLoopResult]: At program point L190(lines 186 600) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (not (= ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2))) [2020-10-12 10:34:25,755 INFO L264 CegarLoopResult]: At program point L157(lines 153 611) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8672) .cse0 (not (= ssl3_accept_~s__hit~0 0)) (not (= ssl3_accept_~s__state~0 8672)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8560) .cse0 (<= ssl3_accept_~blastFlag~0 2)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,755 INFO L264 CegarLoopResult]: At program point L124(lines 123 621) the Hoare annotation is: (or (= ssl3_accept_~s__state~0 8482) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 10:34:25,755 INFO L268 CegarLoopResult]: For program point L455(lines 455 459) no Hoare annotation was computed. [2020-10-12 10:34:25,755 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 678) no Hoare annotation was computed. [2020-10-12 10:34:25,755 INFO L268 CegarLoopResult]: For program point L192(lines 192 598) no Hoare annotation was computed. [2020-10-12 10:34:25,755 INFO L268 CegarLoopResult]: For program point L159(lines 159 609) no Hoare annotation was computed. [2020-10-12 10:34:25,755 INFO L268 CegarLoopResult]: For program point L126(lines 126 620) no Hoare annotation was computed. [2020-10-12 10:34:25,755 INFO L268 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-10-12 10:34:25,756 INFO L264 CegarLoopResult]: At program point L591(lines 99 659) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse7 (<= 8512 ssl3_accept_~s__state~0)) (.cse5 (<= ssl3_accept_~blastFlag~0 1)) (.cse3 (not (= ssl3_accept_~s__hit~0 0))) (.cse9 (= ssl3_accept_~s__state~0 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse4 (<= 8448 ssl3_accept_~s__state~0)) (.cse6 (<= ssl3_accept_~s__state~0 8528)) (.cse8 (<= ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 (<= 8656 ssl3_accept_~s__state~0) .cse1 .cse2) (and (= ssl3_accept_~s__state~0 8640) .cse3) (and .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse2) (and .cse8 .cse9 .cse2) (<= ssl3_accept_~s__state~0 3) (and (= ssl3_accept_~s__state~0 8482) .cse9) (and (<= ssl3_accept_~s__state~0 8560) .cse7 .cse8) (and .cse0 .cse3 .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse0 .cse5 .cse7) (and .cse5 .cse9) (and .cse3 .cse9 .cse1) (and .cse4 (or (and (= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse1) (and .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))) (<= ssl3_accept_~s__state~0 8448)) (and .cse4 .cse6 .cse8 .cse2))) [2020-10-12 10:34:25,756 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-10-12 10:34:25,756 INFO L268 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-10-12 10:34:25,756 INFO L264 CegarLoopResult]: At program point L360(lines 342 378) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8544) .cse0 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~s__state~0 8672) .cse0 (not (= ssl3_accept_~s__hit~0 0)) (not (= ssl3_accept_~s__state~0 8672)) (<= ssl3_accept_~blastFlag~0 3)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,756 INFO L268 CegarLoopResult]: For program point L195(lines 195 597) no Hoare annotation was computed. [2020-10-12 10:34:25,756 INFO L268 CegarLoopResult]: For program point L162(lines 162 608) no Hoare annotation was computed. [2020-10-12 10:34:25,756 INFO L268 CegarLoopResult]: For program point L129(lines 129 619) no Hoare annotation was computed. [2020-10-12 10:34:25,757 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-10-12 10:34:25,757 INFO L268 CegarLoopResult]: For program point L460(lines 460 471) no Hoare annotation was computed. [2020-10-12 10:34:25,757 INFO L268 CegarLoopResult]: For program point L526-2(lines 209 590) no Hoare annotation was computed. [2020-10-12 10:34:25,757 INFO L264 CegarLoopResult]: At program point L394(lines 385 416) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8672) .cse0 (not (= ssl3_accept_~s__hit~0 0)) (not (= ssl3_accept_~s__state~0 8672)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8560) .cse0 (<= ssl3_accept_~blastFlag~0 2)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,757 INFO L268 CegarLoopResult]: For program point L229(lines 229 240) no Hoare annotation was computed. [2020-10-12 10:34:25,757 INFO L264 CegarLoopResult]: At program point L196(lines 192 598) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= 8656 ssl3_accept_~s__state~0)) (.cse2 (not (= ssl3_accept_~s__state~0 8672))) (.cse3 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2 .cse3))) [2020-10-12 10:34:25,757 INFO L264 CegarLoopResult]: At program point L163(lines 159 609) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8576) .cse0 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~s__state~0 8672) .cse0 (not (= ssl3_accept_~s__hit~0 0)) (not (= ssl3_accept_~s__state~0 8672)) (<= ssl3_accept_~blastFlag~0 3)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,757 INFO L268 CegarLoopResult]: For program point L229-2(lines 229 240) no Hoare annotation was computed. [2020-10-12 10:34:25,758 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-10-12 10:34:25,758 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 671) no Hoare annotation was computed. [2020-10-12 10:34:25,758 INFO L271 CegarLoopResult]: At program point L660(lines 98 661) the Hoare annotation is: true [2020-10-12 10:34:25,758 INFO L268 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-12 10:34:25,758 INFO L268 CegarLoopResult]: For program point L231(lines 231 236) no Hoare annotation was computed. [2020-10-12 10:34:25,758 INFO L268 CegarLoopResult]: For program point L198(lines 198 596) no Hoare annotation was computed. [2020-10-12 10:34:25,758 INFO L268 CegarLoopResult]: For program point L165(lines 165 607) no Hoare annotation was computed. [2020-10-12 10:34:25,759 INFO L268 CegarLoopResult]: For program point L132(lines 132 618) no Hoare annotation was computed. [2020-10-12 10:34:25,759 INFO L264 CegarLoopResult]: At program point L99-2(lines 99 659) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse9 (<= 8512 ssl3_accept_~s__state~0)) (.cse5 (<= ssl3_accept_~blastFlag~0 1)) (.cse3 (not (= ssl3_accept_~s__hit~0 0))) (.cse8 (= ssl3_accept_~s__state~0 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse4 (<= 8448 ssl3_accept_~s__state~0)) (.cse6 (<= ssl3_accept_~s__state~0 8528)) (.cse7 (<= ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 (<= 8656 ssl3_accept_~s__state~0) .cse1 .cse2) (and (= ssl3_accept_~s__state~0 8640) .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2) (and .cse0 .cse9 .cse7 .cse2) (<= ssl3_accept_~s__state~0 3) (and (= ssl3_accept_~s__state~0 8482) .cse8) (and (<= ssl3_accept_~s__state~0 8560) .cse9 .cse7) (and .cse0 .cse3 .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse0 .cse5 .cse9) (and .cse5 .cse8) (and .cse3 .cse8 .cse1) (and .cse4 (or (and (= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse1) (and .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))) (<= ssl3_accept_~s__state~0 8448)) (and .cse4 .cse6 .cse7 .cse2))) [2020-10-12 10:34:25,759 INFO L264 CegarLoopResult]: At program point L166(lines 165 607) the Hoare annotation is: (let ((.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8448)) (.cse2 (<= ssl3_accept_~s__state~0 8512)) (.cse3 (not (= ssl3_accept_~s__hit~0 0)))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse2 .cse3 (<= ssl3_accept_~blastFlag~0 3)) (and (= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and .cse2 .cse3 (= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)))) [2020-10-12 10:34:25,759 INFO L264 CegarLoopResult]: At program point L133(lines 126 620) the Hoare annotation is: (let ((.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8512))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse1 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 10:34:25,759 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 10:34:25,759 INFO L268 CegarLoopResult]: For program point L629(lines 629 657) no Hoare annotation was computed. [2020-10-12 10:34:25,760 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-10-12 10:34:25,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:34:25 BoogieIcfgContainer [2020-10-12 10:34:25,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 10:34:25,819 INFO L168 Benchmark]: Toolchain (without parser) took 44755.58 ms. Allocated memory was 143.7 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.2 MB in the beginning and 642.9 MB in the end (delta: -541.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-12 10:34:25,820 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 10:34:25,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.93 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 176.7 MB in the end (delta: -75.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-12 10:34:25,821 INFO L168 Benchmark]: Boogie Preprocessor took 64.74 ms. Allocated memory is still 201.3 MB. Free memory was 176.7 MB in the beginning and 173.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-12 10:34:25,821 INFO L168 Benchmark]: RCFGBuilder took 786.15 ms. Allocated memory is still 201.3 MB. Free memory was 173.7 MB in the beginning and 124.0 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2020-10-12 10:34:25,824 INFO L168 Benchmark]: TraceAbstraction took 43356.05 ms. Allocated memory was 201.3 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 123.3 MB in the beginning and 642.9 MB in the end (delta: -519.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-12 10:34:25,829 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 143.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 538.93 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 176.7 MB in the end (delta: -75.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.74 ms. Allocated memory is still 201.3 MB. Free memory was 176.7 MB in the beginning and 173.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 786.15 ms. Allocated memory is still 201.3 MB. Free memory was 173.7 MB in the beginning and 124.0 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43356.05 ms. Allocated memory was 201.3 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 123.3 MB in the beginning and 642.9 MB in the end (delta: -519.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 671]: 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: 147]: Loop Invariant Derived loop invariant: (((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) || ((((s__state <= 8672 && 8512 <= s__state) && blastFlag <= 2) && !(s__state == 8672)) && s__s3__tmp__next_state___0 <= 8576)) || !(8464 == \old(initial_state))) || (((blastFlag <= 1 && s__state <= 8672) && 8512 <= s__state) && !(s__state == 8672)) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((8448 <= s__state && s__state <= 8512) && blastFlag <= 1) || (((8448 <= s__state && s__state <= 8512) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 3)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || !(s__state == 8672) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((((8448 <= s__state && blastFlag <= 2) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) || ((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 3)) || (8482 == s__s3__tmp__next_state___0 && s__state <= 8512)) || ((8448 <= s__state && blastFlag <= 1) && s__state <= 8448)) || !(8464 == \old(initial_state))) || (s__state <= 8512 && s__s3__tmp__next_state___0 <= 3)) || ((s__state <= 8512 && !(s__hit == 0)) && 8640 == s__s3__tmp__next_state___0) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: s__state == 8482 || !(8464 == \old(initial_state)) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) || ((((s__state <= 8672 && 8512 <= s__state) && blastFlag <= 2) && !(s__state == 8672)) && s__s3__tmp__next_state___0 <= 8576)) || !(8464 == \old(initial_state))) || (((blastFlag <= 1 && s__state <= 8672) && 8512 <= s__state) && !(s__state == 8672)) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0) && !(s__state == 8673)) && !(s__state == 8672)) && blastFlag <= 3) || ((blastFlag <= 1 && !(s__state == 8673)) && !(s__state == 8672))) || !(8464 == \old(initial_state))) || ((blastFlag <= 2 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 3) || (((8448 <= s__state && s__state <= 8512) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 <= s__state && s__state <= 8512) && blastFlag <= 1)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((((((((((s__state <= 8672 && 8656 <= s__state) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 8576) || (s__state == 8640 && !(s__hit == 0))) || ((8448 <= s__state && blastFlag <= 1) && s__state <= 8528)) || ((blastFlag <= 2 && s__state == s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || (((s__state <= 8672 && 8512 <= s__state) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || s__state <= 3) || (s__state == 8482 && s__state == s__s3__tmp__next_state___0)) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || !(8464 == \old(initial_state))) || ((s__state <= 8672 && blastFlag <= 1) && 8512 <= s__state)) || (blastFlag <= 1 && s__state == s__s3__tmp__next_state___0)) || ((!(s__hit == 0) && s__state == s__s3__tmp__next_state___0) && blastFlag <= 3)) || ((8448 <= s__state && ((8482 == s__s3__tmp__next_state___0 && blastFlag <= 3) || (blastFlag <= 3 && s__s3__tmp__next_state___0 <= 3))) && s__state <= 8448)) || (((8448 <= s__state && s__state <= 8528) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((s__state <= 8672 && 8512 <= s__state) && blastFlag <= 2) && !(s__state == 8672)) && s__s3__tmp__next_state___0 <= 8576) || ((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3)) || !(8464 == \old(initial_state))) || (((blastFlag <= 1 && s__state <= 8672) && 8512 <= s__state) && !(s__state == 8672)) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || !(s__state == 8672) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 3) || ((8448 <= s__state && s__state <= 8512) && blastFlag <= 1)) || (((8448 <= s__state && s__state <= 8512) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((s__state <= 8672 && 8656 <= s__state) && !(s__state == 8672)) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 8576) || (((s__state <= 8672 && blastFlag <= 1) && 8656 <= s__state) && !(s__state == 8672))) || !(8464 == \old(initial_state))) || ((((s__state <= 8672 && 8656 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((((((((((s__state <= 8672 && 8656 <= s__state) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 8576) || (s__state == 8640 && !(s__hit == 0))) || ((8448 <= s__state && blastFlag <= 1) && s__state <= 8528)) || (((s__state <= 8672 && 8512 <= s__state) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((blastFlag <= 2 && s__state == s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || s__state <= 3) || (s__state == 8482 && s__state == s__s3__tmp__next_state___0)) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || !(8464 == \old(initial_state))) || ((s__state <= 8672 && blastFlag <= 1) && 8512 <= s__state)) || (blastFlag <= 1 && s__state == s__s3__tmp__next_state___0)) || ((!(s__hit == 0) && s__state == s__s3__tmp__next_state___0) && blastFlag <= 3)) || ((8448 <= s__state && ((8482 == s__s3__tmp__next_state___0 && blastFlag <= 3) || (blastFlag <= 3 && s__s3__tmp__next_state___0 <= 3))) && s__state <= 8448)) || (((8448 <= s__state && s__state <= 8528) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((s__state <= 8528 && 8512 <= s__state) && blastFlag <= 2) || !(8464 == \old(initial_state))) || (((s__state <= 8528 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((((8656 <= s__state && !(s__hit == 0)) && !(s__state == 8673)) && !(s__state == 8672)) && blastFlag <= 3) || (((blastFlag <= 1 && 8656 <= s__state) && !(s__state == 8673)) && !(s__state == 8672))) || !(8464 == \old(initial_state)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((((s__state <= 8672 && 8512 <= s__state) && blastFlag <= 2) && !(s__state == 8672)) && s__s3__tmp__next_state___0 <= 8576) || ((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3)) || !(8464 == \old(initial_state))) || (((blastFlag <= 1 && s__state <= 8672) && 8512 <= s__state) && !(s__state == 8672)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && 8512 <= s__state) && !(s__hit == 0)) && !(s__state == 8672)) && blastFlag <= 3) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((((8656 <= s__state && !(s__hit == 0)) && blastFlag <= 3) && 8464 == \old(initial_state)) || (blastFlag <= 1 && 8656 <= s__state)) || !(8464 == \old(initial_state))) || (((8656 <= s__state && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 8576) && 8464 == \old(initial_state)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.1s, OverallIterations: 22, TraceHistogramMax: 19, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5171 SDtfs, 3540 SDslu, 4540 SDs, 0 SdLazy, 3750 SolverSat, 701 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6619occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 6223 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 507 NumberOfFragments, 1139 HoareAnnotationTreeSize, 33 FomulaSimplifications, 112042 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 35257 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 5219 NumberOfCodeBlocks, 5219 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5197 ConstructedInterpolants, 0 QuantifiedInterpolants, 2158467 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 17 PerfectInterpolantSequences, 15373/15608 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...