/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_4.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:08:23,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:08:23,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:08:23,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:08:23,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:08:23,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:08:23,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:08:23,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:08:23,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:08:23,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:08:23,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:08:23,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:08:23,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:08:23,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:08:23,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:08:23,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:08:23,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:08:23,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:08:23,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:08:23,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:08:23,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:08:23,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:08:23,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:08:23,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:08:23,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:08:23,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:08:23,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:08:23,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:08:23,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:08:23,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:08:23,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:08:23,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:08:23,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:08:23,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:08:23,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:08:23,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:08:23,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:08:23,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:08:23,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:08:23,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:08:23,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:08:23,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 10:08:23,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:08:23,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:08:23,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:08:23,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:08:23,712 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:08:23,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:08:23,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:08:23,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:08:23,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:08:23,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:08:23,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:08:23,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:08:23,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:08:23,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:08:23,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:08:23,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:08:23,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:08:23,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:08:23,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:08:23,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:08:23,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:08:23,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:08:23,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:08:23,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:08:23,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:08:23,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:08:23,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:08:23,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:08:23,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:08:23,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:08:24,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:08:24,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:08:24,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:08:24,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:08:24,034 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:08:24,034 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_4.cil.c [2020-10-14 10:08:24,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76f194859/420e5cee31b14df7a07c462a58585607/FLAGc994f770e [2020-10-14 10:08:24,583 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:08:24,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_4.cil.c [2020-10-14 10:08:24,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76f194859/420e5cee31b14df7a07c462a58585607/FLAGc994f770e [2020-10-14 10:08:24,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76f194859/420e5cee31b14df7a07c462a58585607 [2020-10-14 10:08:24,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:08:24,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:08:24,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:08:24,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:08:24,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:08:24,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:24" (1/1) ... [2020-10-14 10:08:24,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fa6b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:24, skipping insertion in model container [2020-10-14 10:08:24,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:24" (1/1) ... [2020-10-14 10:08:24,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:08:25,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:08:25,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:08:25,392 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:08:25,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:08:25,474 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:08:25,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25 WrapperNode [2020-10-14 10:08:25,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:08:25,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:08:25,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:08:25,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:08:25,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (1/1) ... [2020-10-14 10:08:25,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (1/1) ... [2020-10-14 10:08:25,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (1/1) ... [2020-10-14 10:08:25,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (1/1) ... [2020-10-14 10:08:25,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (1/1) ... [2020-10-14 10:08:25,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (1/1) ... [2020-10-14 10:08:25,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (1/1) ... [2020-10-14 10:08:25,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:08:25,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:08:25,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:08:25,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:08:25,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:08:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:08:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:08:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 10:08:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:08:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:08:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 10:08:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:08:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 10:08:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 10:08:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:08:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:08:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:08:25,858 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 10:08:26,281 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-14 10:08:26,282 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-14 10:08:26,294 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:08:26,294 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 10:08:26,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:26 BoogieIcfgContainer [2020-10-14 10:08:26,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:08:26,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:08:26,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:08:26,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:08:26,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:08:24" (1/3) ... [2020-10-14 10:08:26,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6027d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:26, skipping insertion in model container [2020-10-14 10:08:26,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:25" (2/3) ... [2020-10-14 10:08:26,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6027d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:26, skipping insertion in model container [2020-10-14 10:08:26,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:26" (3/3) ... [2020-10-14 10:08:26,310 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c [2020-10-14 10:08:26,322 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:08:26,331 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:08:26,347 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:08:26,375 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:08:26,376 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:08:26,376 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:08:26,376 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:08:26,377 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:08:26,377 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:08:26,377 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:08:26,377 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:08:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-10-14 10:08:26,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 10:08:26,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:26,414 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] [2020-10-14 10:08:26,414 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:26,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:26,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1127072202, now seen corresponding path program 1 times [2020-10-14 10:08:26,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:26,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740245860] [2020-10-14 10:08:26,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:26,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:27,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 10:08:27,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:27,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-14 10:08:27,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:27,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 10:08:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:08:27,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:27,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:27,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:27,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:27,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:27,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:27,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:27,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:08:27,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740245860] [2020-10-14 10:08:27,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:27,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:27,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262693633] [2020-10-14 10:08:27,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:27,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:27,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:27,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:27,191 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2020-10-14 10:08:27,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:27,289 INFO L93 Difference]: Finished difference Result 414 states and 702 transitions. [2020-10-14 10:08:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:27,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-14 10:08:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:27,307 INFO L225 Difference]: With dead ends: 414 [2020-10-14 10:08:27,308 INFO L226 Difference]: Without dead ends: 251 [2020-10-14 10:08:27,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:27,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-14 10:08:27,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2020-10-14 10:08:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-10-14 10:08:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 380 transitions. [2020-10-14 10:08:27,381 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 380 transitions. Word has length 49 [2020-10-14 10:08:27,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:27,382 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 380 transitions. [2020-10-14 10:08:27,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 380 transitions. [2020-10-14 10:08:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 10:08:27,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:27,386 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:27,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:08:27,387 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:27,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:27,388 INFO L82 PathProgramCache]: Analyzing trace with hash -146505943, now seen corresponding path program 1 times [2020-10-14 10:08:27,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:27,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89512796] [2020-10-14 10:08:27,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:27,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:27,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 10:08:27,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 10:08:27,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:27,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 10:08:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 10:08:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:27,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:27,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:27,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:27,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:27,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:27,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:27,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:08:27,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89512796] [2020-10-14 10:08:27,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:27,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:27,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348949736] [2020-10-14 10:08:27,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:27,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:27,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:27,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:27,640 INFO L87 Difference]: Start difference. First operand 251 states and 380 transitions. Second operand 3 states. [2020-10-14 10:08:27,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:27,713 INFO L93 Difference]: Finished difference Result 489 states and 747 transitions. [2020-10-14 10:08:27,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:27,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-14 10:08:27,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:27,718 INFO L225 Difference]: With dead ends: 489 [2020-10-14 10:08:27,718 INFO L226 Difference]: Without dead ends: 369 [2020-10-14 10:08:27,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:27,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-14 10:08:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2020-10-14 10:08:27,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-10-14 10:08:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 560 transitions. [2020-10-14 10:08:27,748 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 560 transitions. Word has length 65 [2020-10-14 10:08:27,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:27,749 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 560 transitions. [2020-10-14 10:08:27,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 560 transitions. [2020-10-14 10:08:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 10:08:27,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:27,755 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:27,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:08:27,755 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:27,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:27,756 INFO L82 PathProgramCache]: Analyzing trace with hash 389341593, now seen corresponding path program 1 times [2020-10-14 10:08:27,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:27,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303862834] [2020-10-14 10:08:27,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:27,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:28,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 10:08:28,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-14 10:08:28,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:28,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 10:08:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:08:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:28,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:28,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:28,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:28,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:08:28,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:28,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 10:08:28,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303862834] [2020-10-14 10:08:28,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:28,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:28,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686995971] [2020-10-14 10:08:28,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:28,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:28,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:28,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:28,177 INFO L87 Difference]: Start difference. First operand 369 states and 560 transitions. Second operand 3 states. [2020-10-14 10:08:28,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:28,266 INFO L93 Difference]: Finished difference Result 725 states and 1107 transitions. [2020-10-14 10:08:28,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:28,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-14 10:08:28,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:28,272 INFO L225 Difference]: With dead ends: 725 [2020-10-14 10:08:28,272 INFO L226 Difference]: Without dead ends: 487 [2020-10-14 10:08:28,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:28,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-10-14 10:08:28,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2020-10-14 10:08:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-10-14 10:08:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 741 transitions. [2020-10-14 10:08:28,331 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 741 transitions. Word has length 86 [2020-10-14 10:08:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:28,331 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 741 transitions. [2020-10-14 10:08:28,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 741 transitions. [2020-10-14 10:08:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 10:08:28,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:28,340 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] [2020-10-14 10:08:28,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:08:28,341 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:28,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:28,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1132457392, now seen corresponding path program 1 times [2020-10-14 10:08:28,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:28,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785396336] [2020-10-14 10:08:28,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:28,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:28,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 10:08:28,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:28,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 10:08:28,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:28,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 10:08:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:28,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:28,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:28,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:28,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:28,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:28,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:28,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:28,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 20 [2020-10-14 10:08:28,558 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 10:08:28,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785396336] [2020-10-14 10:08:28,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:28,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:28,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794415945] [2020-10-14 10:08:28,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:28,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:28,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:28,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:28,561 INFO L87 Difference]: Start difference. First operand 487 states and 741 transitions. Second operand 3 states. [2020-10-14 10:08:28,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:28,608 INFO L93 Difference]: Finished difference Result 607 states and 925 transitions. [2020-10-14 10:08:28,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:28,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-14 10:08:28,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:28,612 INFO L225 Difference]: With dead ends: 607 [2020-10-14 10:08:28,613 INFO L226 Difference]: Without dead ends: 605 [2020-10-14 10:08:28,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:28,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-10-14 10:08:28,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2020-10-14 10:08:28,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-10-14 10:08:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 923 transitions. [2020-10-14 10:08:28,634 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 923 transitions. Word has length 126 [2020-10-14 10:08:28,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:28,635 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 923 transitions. [2020-10-14 10:08:28,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 923 transitions. [2020-10-14 10:08:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-14 10:08:28,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:28,638 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:08:28,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:08:28,639 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:28,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:28,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1975585050, now seen corresponding path program 1 times [2020-10-14 10:08:28,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:28,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159630870] [2020-10-14 10:08:28,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:28,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:28,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:08:28,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 10:08:28,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:28,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 10:08:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 10:08:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:28,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:28,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:28,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:28,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:28,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:28,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 10:08:28,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159630870] [2020-10-14 10:08:28,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:28,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:28,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6497159] [2020-10-14 10:08:28,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:28,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:28,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:28,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:28,925 INFO L87 Difference]: Start difference. First operand 605 states and 923 transitions. Second operand 3 states. [2020-10-14 10:08:29,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:29,221 INFO L93 Difference]: Finished difference Result 1462 states and 2299 transitions. [2020-10-14 10:08:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:29,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-10-14 10:08:29,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:29,229 INFO L225 Difference]: With dead ends: 1462 [2020-10-14 10:08:29,230 INFO L226 Difference]: Without dead ends: 870 [2020-10-14 10:08:29,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:29,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-10-14 10:08:29,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 810. [2020-10-14 10:08:29,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2020-10-14 10:08:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1168 transitions. [2020-10-14 10:08:29,260 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1168 transitions. Word has length 167 [2020-10-14 10:08:29,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:29,261 INFO L479 AbstractCegarLoop]: Abstraction has 810 states and 1168 transitions. [2020-10-14 10:08:29,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1168 transitions. [2020-10-14 10:08:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-14 10:08:29,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:29,268 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:29,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:08:29,268 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:29,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:29,269 INFO L82 PathProgramCache]: Analyzing trace with hash 356835369, now seen corresponding path program 1 times [2020-10-14 10:08:29,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:29,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054727603] [2020-10-14 10:08:29,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:29,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:29,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:29,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:29,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:29,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:30,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-14 10:08:30,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:30,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-14 10:08:30,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:30,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 10:08:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:08:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:30,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:30,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:30,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:30,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:30,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:30,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-14 10:08:30,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054727603] [2020-10-14 10:08:30,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:30,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:30,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261054435] [2020-10-14 10:08:30,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:30,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:30,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:30,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:30,150 INFO L87 Difference]: Start difference. First operand 810 states and 1168 transitions. Second operand 3 states. [2020-10-14 10:08:30,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:30,388 INFO L93 Difference]: Finished difference Result 1887 states and 2804 transitions. [2020-10-14 10:08:30,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:30,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-10-14 10:08:30,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:30,395 INFO L225 Difference]: With dead ends: 1887 [2020-10-14 10:08:30,395 INFO L226 Difference]: Without dead ends: 1030 [2020-10-14 10:08:30,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:30,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-14 10:08:30,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1015. [2020-10-14 10:08:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-10-14 10:08:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1438 transitions. [2020-10-14 10:08:30,426 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1438 transitions. Word has length 180 [2020-10-14 10:08:30,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:30,427 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1438 transitions. [2020-10-14 10:08:30,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1438 transitions. [2020-10-14 10:08:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-14 10:08:30,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:30,431 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:08:30,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:08:30,432 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:30,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:30,432 INFO L82 PathProgramCache]: Analyzing trace with hash 82875180, now seen corresponding path program 1 times [2020-10-14 10:08:30,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:30,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014679292] [2020-10-14 10:08:30,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:30,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:31,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:32,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-14 10:08:32,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:08:32,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1714 [2020-10-14 10:08:32,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:32,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 10:08:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:08:32,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:32,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:32,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:32,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:32,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:32,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:32,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:32,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-14 10:08:32,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014679292] [2020-10-14 10:08:32,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:32,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:32,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786308055] [2020-10-14 10:08:32,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:32,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:32,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:32,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:32,247 INFO L87 Difference]: Start difference. First operand 1015 states and 1438 transitions. Second operand 3 states. [2020-10-14 10:08:32,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:32,477 INFO L93 Difference]: Finished difference Result 2257 states and 3298 transitions. [2020-10-14 10:08:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:32,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-10-14 10:08:32,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:32,484 INFO L225 Difference]: With dead ends: 2257 [2020-10-14 10:08:32,485 INFO L226 Difference]: Without dead ends: 1195 [2020-10-14 10:08:32,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:32,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2020-10-14 10:08:32,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1120. [2020-10-14 10:08:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-10-14 10:08:32,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1613 transitions. [2020-10-14 10:08:32,540 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1613 transitions. Word has length 196 [2020-10-14 10:08:32,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:32,540 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1613 transitions. [2020-10-14 10:08:32,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1613 transitions. [2020-10-14 10:08:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-14 10:08:32,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:32,545 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:32,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:08:32,546 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:32,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1142029490, now seen corresponding path program 1 times [2020-10-14 10:08:32,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:32,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804369512] [2020-10-14 10:08:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:32,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:33,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 10:08:33,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:33,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 627 [2020-10-14 10:08:33,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:33,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 10:08:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:08:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:33,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:33,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:33,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:33,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:33,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:33,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:33,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 10:08:33,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804369512] [2020-10-14 10:08:33,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:33,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:33,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386081160] [2020-10-14 10:08:33,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:33,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:33,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:33,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:33,327 INFO L87 Difference]: Start difference. First operand 1120 states and 1613 transitions. Second operand 3 states. [2020-10-14 10:08:33,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:33,644 INFO L93 Difference]: Finished difference Result 2602 states and 3829 transitions. [2020-10-14 10:08:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:33,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-10-14 10:08:33,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:33,656 INFO L225 Difference]: With dead ends: 2602 [2020-10-14 10:08:33,656 INFO L226 Difference]: Without dead ends: 1415 [2020-10-14 10:08:33,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:33,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2020-10-14 10:08:33,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1350. [2020-10-14 10:08:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2020-10-14 10:08:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1943 transitions. [2020-10-14 10:08:33,713 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1943 transitions. Word has length 208 [2020-10-14 10:08:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:33,713 INFO L479 AbstractCegarLoop]: Abstraction has 1350 states and 1943 transitions. [2020-10-14 10:08:33,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1943 transitions. [2020-10-14 10:08:33,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-14 10:08:33,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:33,719 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:33,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:08:33,719 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2010945306, now seen corresponding path program 1 times [2020-10-14 10:08:33,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:33,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752210058] [2020-10-14 10:08:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:33,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 10:08:34,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:34,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 986 [2020-10-14 10:08:34,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:34,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-14 10:08:34,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:08:34,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:34,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:34,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 10:08:34,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752210058] [2020-10-14 10:08:34,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:34,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:34,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951051046] [2020-10-14 10:08:34,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:34,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:34,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:34,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:34,809 INFO L87 Difference]: Start difference. First operand 1350 states and 1943 transitions. Second operand 3 states. [2020-10-14 10:08:35,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:35,041 INFO L93 Difference]: Finished difference Result 2907 states and 4199 transitions. [2020-10-14 10:08:35,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:35,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-10-14 10:08:35,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:35,050 INFO L225 Difference]: With dead ends: 2907 [2020-10-14 10:08:35,050 INFO L226 Difference]: Without dead ends: 1515 [2020-10-14 10:08:35,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-10-14 10:08:35,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1450. [2020-10-14 10:08:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2020-10-14 10:08:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2083 transitions. [2020-10-14 10:08:35,099 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2083 transitions. Word has length 209 [2020-10-14 10:08:35,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:35,099 INFO L479 AbstractCegarLoop]: Abstraction has 1450 states and 2083 transitions. [2020-10-14 10:08:35,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2083 transitions. [2020-10-14 10:08:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 10:08:35,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:35,106 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:08:35,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:08:35,106 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:35,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:35,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1750979208, now seen corresponding path program 1 times [2020-10-14 10:08:35,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:35,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760472781] [2020-10-14 10:08:35,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 10:08:35,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 564 [2020-10-14 10:08:35,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 10:08:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:08:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:35,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:35,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:35,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:35,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:35,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:35,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-10-14 10:08:35,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760472781] [2020-10-14 10:08:35,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:35,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:35,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364614953] [2020-10-14 10:08:35,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:35,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:35,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:35,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:35,864 INFO L87 Difference]: Start difference. First operand 1450 states and 2083 transitions. Second operand 3 states. [2020-10-14 10:08:36,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:36,068 INFO L93 Difference]: Finished difference Result 2932 states and 4209 transitions. [2020-10-14 10:08:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:36,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-14 10:08:36,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:36,080 INFO L225 Difference]: With dead ends: 2932 [2020-10-14 10:08:36,080 INFO L226 Difference]: Without dead ends: 1495 [2020-10-14 10:08:36,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:36,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2020-10-14 10:08:36,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1495. [2020-10-14 10:08:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-10-14 10:08:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 2138 transitions. [2020-10-14 10:08:36,153 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 2138 transitions. Word has length 218 [2020-10-14 10:08:36,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:36,154 INFO L479 AbstractCegarLoop]: Abstraction has 1495 states and 2138 transitions. [2020-10-14 10:08:36,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2138 transitions. [2020-10-14 10:08:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 10:08:36,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:36,165 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:36,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:08:36,165 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:36,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:36,166 INFO L82 PathProgramCache]: Analyzing trace with hash -555522276, now seen corresponding path program 1 times [2020-10-14 10:08:36,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:36,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825354469] [2020-10-14 10:08:36,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:36,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:36,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 10:08:36,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:36,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-14 10:08:36,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:36,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:36,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:36,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 10:08:36,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:08:36,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:36,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:36,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:36,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:36,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:36,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:36,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:36,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:36,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 10:08:36,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825354469] [2020-10-14 10:08:36,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:36,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:36,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489796999] [2020-10-14 10:08:36,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:36,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:36,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:36,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:36,720 INFO L87 Difference]: Start difference. First operand 1495 states and 2138 transitions. Second operand 3 states. [2020-10-14 10:08:36,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:36,972 INFO L93 Difference]: Finished difference Result 3059 states and 4396 transitions. [2020-10-14 10:08:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:36,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-14 10:08:36,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:36,983 INFO L225 Difference]: With dead ends: 3059 [2020-10-14 10:08:36,984 INFO L226 Difference]: Without dead ends: 1572 [2020-10-14 10:08:36,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:36,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2020-10-14 10:08:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1550. [2020-10-14 10:08:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2020-10-14 10:08:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2213 transitions. [2020-10-14 10:08:37,046 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2213 transitions. Word has length 218 [2020-10-14 10:08:37,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:37,047 INFO L479 AbstractCegarLoop]: Abstraction has 1550 states and 2213 transitions. [2020-10-14 10:08:37,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:37,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2213 transitions. [2020-10-14 10:08:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-14 10:08:37,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:37,053 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 10:08:37,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:08:37,053 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:37,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:37,054 INFO L82 PathProgramCache]: Analyzing trace with hash 2121219740, now seen corresponding path program 1 times [2020-10-14 10:08:37,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:37,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318254339] [2020-10-14 10:08:37,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-14 10:08:37,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-14 10:08:37,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 10:08:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 10:08:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:37,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:37,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:37,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:37,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-14 10:08:37,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [318254339] [2020-10-14 10:08:37,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:37,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:37,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804728503] [2020-10-14 10:08:37,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:37,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:37,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:37,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:37,506 INFO L87 Difference]: Start difference. First operand 1550 states and 2213 transitions. Second operand 4 states. [2020-10-14 10:08:38,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:38,131 INFO L93 Difference]: Finished difference Result 4254 states and 6157 transitions. [2020-10-14 10:08:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:08:38,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 237 [2020-10-14 10:08:38,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:38,151 INFO L225 Difference]: With dead ends: 4254 [2020-10-14 10:08:38,151 INFO L226 Difference]: Without dead ends: 2660 [2020-10-14 10:08:38,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:08:38,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2020-10-14 10:08:38,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2370. [2020-10-14 10:08:38,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2370 states. [2020-10-14 10:08:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3473 transitions. [2020-10-14 10:08:38,279 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3473 transitions. Word has length 237 [2020-10-14 10:08:38,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:38,280 INFO L479 AbstractCegarLoop]: Abstraction has 2370 states and 3473 transitions. [2020-10-14 10:08:38,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3473 transitions. [2020-10-14 10:08:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-14 10:08:38,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:38,294 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:38,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:08:38,295 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:38,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:38,295 INFO L82 PathProgramCache]: Analyzing trace with hash 499648914, now seen corresponding path program 1 times [2020-10-14 10:08:38,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:38,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791498130] [2020-10-14 10:08:38,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:38,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:38,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-14 10:08:38,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:38,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-14 10:08:38,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:38,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 10:08:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:08:38,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:38,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:38,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:38,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:38,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:38,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:38,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:38,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-10-14 10:08:38,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791498130] [2020-10-14 10:08:38,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:38,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:38,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298599371] [2020-10-14 10:08:38,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:38,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:38,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:38,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:38,825 INFO L87 Difference]: Start difference. First operand 2370 states and 3473 transitions. Second operand 3 states. [2020-10-14 10:08:39,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:39,085 INFO L93 Difference]: Finished difference Result 4730 states and 6932 transitions. [2020-10-14 10:08:39,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:39,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-10-14 10:08:39,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:39,098 INFO L225 Difference]: With dead ends: 4730 [2020-10-14 10:08:39,098 INFO L226 Difference]: Without dead ends: 2373 [2020-10-14 10:08:39,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:39,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2020-10-14 10:08:39,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2370. [2020-10-14 10:08:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2370 states. [2020-10-14 10:08:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3441 transitions. [2020-10-14 10:08:39,191 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3441 transitions. Word has length 246 [2020-10-14 10:08:39,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:39,192 INFO L479 AbstractCegarLoop]: Abstraction has 2370 states and 3441 transitions. [2020-10-14 10:08:39,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3441 transitions. [2020-10-14 10:08:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 10:08:39,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:39,200 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 10:08:39,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 10:08:39,201 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:39,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:39,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1931626416, now seen corresponding path program 1 times [2020-10-14 10:08:39,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:39,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040391829] [2020-10-14 10:08:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:39,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:39,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 10:08:39,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:39,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-14 10:08:39,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:39,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 10:08:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 10:08:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:39,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:39,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:39,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:39,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:39,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:39,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:39,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:39,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:39,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-14 10:08:39,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040391829] [2020-10-14 10:08:39,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:39,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:39,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311818737] [2020-10-14 10:08:39,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:39,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:39,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:39,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:39,538 INFO L87 Difference]: Start difference. First operand 2370 states and 3441 transitions. Second operand 4 states. [2020-10-14 10:08:40,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:40,018 INFO L93 Difference]: Finished difference Result 6726 states and 9815 transitions. [2020-10-14 10:08:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:08:40,019 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2020-10-14 10:08:40,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:40,041 INFO L225 Difference]: With dead ends: 6726 [2020-10-14 10:08:40,041 INFO L226 Difference]: Without dead ends: 4369 [2020-10-14 10:08:40,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:08:40,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2020-10-14 10:08:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 3896. [2020-10-14 10:08:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3896 states. [2020-10-14 10:08:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5259 transitions. [2020-10-14 10:08:40,241 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5259 transitions. Word has length 258 [2020-10-14 10:08:40,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:40,242 INFO L479 AbstractCegarLoop]: Abstraction has 3896 states and 5259 transitions. [2020-10-14 10:08:40,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5259 transitions. [2020-10-14 10:08:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 10:08:40,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:40,257 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 10:08:40,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 10:08:40,257 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:40,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:40,258 INFO L82 PathProgramCache]: Analyzing trace with hash -2074521490, now seen corresponding path program 1 times [2020-10-14 10:08:40,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:40,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426934045] [2020-10-14 10:08:40,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:40,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:40,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 10:08:40,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:40,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-14 10:08:40,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:40,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 10:08:40,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:40,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:40,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:40,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:40,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:40,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:40,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-10-14 10:08:40,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426934045] [2020-10-14 10:08:40,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:40,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:40,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152913530] [2020-10-14 10:08:40,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:40,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:40,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:40,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:40,865 INFO L87 Difference]: Start difference. First operand 3896 states and 5259 transitions. Second operand 3 states. [2020-10-14 10:08:41,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:41,039 INFO L93 Difference]: Finished difference Result 10045 states and 13527 transitions. [2020-10-14 10:08:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:41,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2020-10-14 10:08:41,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:41,110 INFO L225 Difference]: With dead ends: 10045 [2020-10-14 10:08:41,111 INFO L226 Difference]: Without dead ends: 6162 [2020-10-14 10:08:41,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:41,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6162 states. [2020-10-14 10:08:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6162 to 6160. [2020-10-14 10:08:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6160 states. [2020-10-14 10:08:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6160 states to 6160 states and 8253 transitions. [2020-10-14 10:08:41,417 INFO L78 Accepts]: Start accepts. Automaton has 6160 states and 8253 transitions. Word has length 258 [2020-10-14 10:08:41,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:41,417 INFO L479 AbstractCegarLoop]: Abstraction has 6160 states and 8253 transitions. [2020-10-14 10:08:41,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand 6160 states and 8253 transitions. [2020-10-14 10:08:41,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-14 10:08:41,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:41,443 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:41,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 10:08:41,444 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:41,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:41,445 INFO L82 PathProgramCache]: Analyzing trace with hash -381613367, now seen corresponding path program 1 times [2020-10-14 10:08:41,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:41,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983782804] [2020-10-14 10:08:41,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:41,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 10:08:41,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:41,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-14 10:08:41,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:41,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:41,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:41,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 10:08:41,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:08:41,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:41,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:41,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:41,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:41,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:41,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:41,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-14 10:08:41,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983782804] [2020-10-14 10:08:41,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:41,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:41,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665442748] [2020-10-14 10:08:41,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:41,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:41,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:41,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:41,995 INFO L87 Difference]: Start difference. First operand 6160 states and 8253 transitions. Second operand 3 states. [2020-10-14 10:08:42,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:42,303 INFO L93 Difference]: Finished difference Result 10928 states and 14509 transitions. [2020-10-14 10:08:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:42,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2020-10-14 10:08:42,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:42,320 INFO L225 Difference]: With dead ends: 10928 [2020-10-14 10:08:42,320 INFO L226 Difference]: Without dead ends: 6701 [2020-10-14 10:08:42,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:42,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6701 states. [2020-10-14 10:08:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6701 to 6370. [2020-10-14 10:08:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6370 states. [2020-10-14 10:08:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6370 states to 6370 states and 8538 transitions. [2020-10-14 10:08:42,516 INFO L78 Accepts]: Start accepts. Automaton has 6370 states and 8538 transitions. Word has length 261 [2020-10-14 10:08:42,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:42,516 INFO L479 AbstractCegarLoop]: Abstraction has 6370 states and 8538 transitions. [2020-10-14 10:08:42,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:42,517 INFO L276 IsEmpty]: Start isEmpty. Operand 6370 states and 8538 transitions. [2020-10-14 10:08:42,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-14 10:08:42,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:42,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:42,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 10:08:42,538 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:42,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:42,539 INFO L82 PathProgramCache]: Analyzing trace with hash 281332617, now seen corresponding path program 1 times [2020-10-14 10:08:42,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:42,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91399342] [2020-10-14 10:08:42,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:42,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:43,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-14 10:08:43,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:08:43,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-10-14 10:08:43,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:43,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 10:08:43,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:43,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:43,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:43,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:43,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:43,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:43,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:43,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-10-14 10:08:43,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91399342] [2020-10-14 10:08:43,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:43,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:43,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995558965] [2020-10-14 10:08:43,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:43,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:43,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:43,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:43,731 INFO L87 Difference]: Start difference. First operand 6370 states and 8538 transitions. Second operand 3 states. [2020-10-14 10:08:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:43,867 INFO L93 Difference]: Finished difference Result 11196 states and 15008 transitions. [2020-10-14 10:08:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:43,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-10-14 10:08:43,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:43,884 INFO L225 Difference]: With dead ends: 11196 [2020-10-14 10:08:43,884 INFO L226 Difference]: Without dead ends: 7544 [2020-10-14 10:08:43,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:43,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7544 states. [2020-10-14 10:08:44,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7544 to 7287. [2020-10-14 10:08:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7287 states. [2020-10-14 10:08:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7287 states to 7287 states and 9854 transitions. [2020-10-14 10:08:44,071 INFO L78 Accepts]: Start accepts. Automaton has 7287 states and 9854 transitions. Word has length 295 [2020-10-14 10:08:44,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:44,072 INFO L479 AbstractCegarLoop]: Abstraction has 7287 states and 9854 transitions. [2020-10-14 10:08:44,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 7287 states and 9854 transitions. [2020-10-14 10:08:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-14 10:08:44,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:44,092 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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] [2020-10-14 10:08:44,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 10:08:44,092 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:44,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:44,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1728599266, now seen corresponding path program 1 times [2020-10-14 10:08:44,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:44,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203337269] [2020-10-14 10:08:44,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:44,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-14 10:08:44,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:44,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-14 10:08:44,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:44,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:44,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:44,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:44,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 10:08:44,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:44,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:44,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:44,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:44,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:44,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:44,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2020-10-14 10:08:44,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203337269] [2020-10-14 10:08:44,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:44,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:44,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351814509] [2020-10-14 10:08:44,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:44,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:44,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:44,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:44,803 INFO L87 Difference]: Start difference. First operand 7287 states and 9854 transitions. Second operand 3 states. [2020-10-14 10:08:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:45,106 INFO L93 Difference]: Finished difference Result 10122 states and 13812 transitions. [2020-10-14 10:08:45,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:45,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-10-14 10:08:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:45,129 INFO L225 Difference]: With dead ends: 10122 [2020-10-14 10:08:45,130 INFO L226 Difference]: Without dead ends: 7559 [2020-10-14 10:08:45,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:45,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2020-10-14 10:08:45,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 7471. [2020-10-14 10:08:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7471 states. [2020-10-14 10:08:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 10118 transitions. [2020-10-14 10:08:45,309 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 10118 transitions. Word has length 311 [2020-10-14 10:08:45,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:45,310 INFO L479 AbstractCegarLoop]: Abstraction has 7471 states and 10118 transitions. [2020-10-14 10:08:45,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 10118 transitions. [2020-10-14 10:08:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 10:08:45,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:45,330 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:45,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 10:08:45,330 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:45,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:45,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1030972705, now seen corresponding path program 1 times [2020-10-14 10:08:45,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:45,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138113661] [2020-10-14 10:08:45,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:45,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:46,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-14 10:08:46,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:46,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 783 [2020-10-14 10:08:46,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:46,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 10:08:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:08:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:46,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:46,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:46,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:46,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:46,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:46,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:46,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:46,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:46,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:46,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:46,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2020-10-14 10:08:46,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138113661] [2020-10-14 10:08:46,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:46,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:46,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113354371] [2020-10-14 10:08:46,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:46,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:46,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:46,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:46,239 INFO L87 Difference]: Start difference. First operand 7471 states and 10118 transitions. Second operand 3 states. [2020-10-14 10:08:46,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:46,481 INFO L93 Difference]: Finished difference Result 11947 states and 15972 transitions. [2020-10-14 10:08:46,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:46,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2020-10-14 10:08:46,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:46,488 INFO L225 Difference]: With dead ends: 11947 [2020-10-14 10:08:46,489 INFO L226 Difference]: Without dead ends: 3013 [2020-10-14 10:08:46,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:46,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2020-10-14 10:08:46,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 1880. [2020-10-14 10:08:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1880 states. [2020-10-14 10:08:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2506 transitions. [2020-10-14 10:08:46,557 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2506 transitions. Word has length 315 [2020-10-14 10:08:46,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:46,557 INFO L479 AbstractCegarLoop]: Abstraction has 1880 states and 2506 transitions. [2020-10-14 10:08:46,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2506 transitions. [2020-10-14 10:08:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-14 10:08:46,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:46,567 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1] [2020-10-14 10:08:46,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 10:08:46,567 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:46,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:46,568 INFO L82 PathProgramCache]: Analyzing trace with hash -377841058, now seen corresponding path program 1 times [2020-10-14 10:08:46,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:46,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819664574] [2020-10-14 10:08:46,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:46,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-14 10:08:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-14 10:08:47,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:47,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 10:08:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:08:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:47,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:47,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:47,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:47,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:47,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:47,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:47,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2020-10-14 10:08:47,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819664574] [2020-10-14 10:08:47,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:47,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:47,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371743391] [2020-10-14 10:08:47,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:47,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:47,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:47,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:47,462 INFO L87 Difference]: Start difference. First operand 1880 states and 2506 transitions. Second operand 3 states. [2020-10-14 10:08:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:47,669 INFO L93 Difference]: Finished difference Result 3923 states and 5278 transitions. [2020-10-14 10:08:47,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:47,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-10-14 10:08:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:47,674 INFO L225 Difference]: With dead ends: 3923 [2020-10-14 10:08:47,674 INFO L226 Difference]: Without dead ends: 2071 [2020-10-14 10:08:47,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:47,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2020-10-14 10:08:47,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2005. [2020-10-14 10:08:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2005 states. [2020-10-14 10:08:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 2686 transitions. [2020-10-14 10:08:47,741 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 2686 transitions. Word has length 332 [2020-10-14 10:08:47,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:47,741 INFO L479 AbstractCegarLoop]: Abstraction has 2005 states and 2686 transitions. [2020-10-14 10:08:47,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2686 transitions. [2020-10-14 10:08:47,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-10-14 10:08:47,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:47,754 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:47,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 10:08:47,756 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:47,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:47,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1217611181, now seen corresponding path program 1 times [2020-10-14 10:08:47,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:47,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746512285] [2020-10-14 10:08:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:47,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:48,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:49,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-14 10:08:49,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:49,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1449 [2020-10-14 10:08:49,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:49,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:49,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:49,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:08:49,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:49,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:49,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:49,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:49,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:49,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:49,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:49,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2020-10-14 10:08:49,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746512285] [2020-10-14 10:08:49,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:49,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:49,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000624886] [2020-10-14 10:08:49,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:49,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:49,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:49,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:49,422 INFO L87 Difference]: Start difference. First operand 2005 states and 2686 transitions. Second operand 3 states. [2020-10-14 10:08:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:49,637 INFO L93 Difference]: Finished difference Result 3953 states and 5293 transitions. [2020-10-14 10:08:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:49,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 351 [2020-10-14 10:08:49,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:49,642 INFO L225 Difference]: With dead ends: 3953 [2020-10-14 10:08:49,642 INFO L226 Difference]: Without dead ends: 2041 [2020-10-14 10:08:49,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:49,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2020-10-14 10:08:49,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 2005. [2020-10-14 10:08:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2005 states. [2020-10-14 10:08:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 2626 transitions. [2020-10-14 10:08:49,697 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 2626 transitions. Word has length 351 [2020-10-14 10:08:49,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:49,698 INFO L479 AbstractCegarLoop]: Abstraction has 2005 states and 2626 transitions. [2020-10-14 10:08:49,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2626 transitions. [2020-10-14 10:08:49,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-10-14 10:08:49,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:49,704 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:49,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 10:08:49,705 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:49,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:49,705 INFO L82 PathProgramCache]: Analyzing trace with hash -273171767, now seen corresponding path program 1 times [2020-10-14 10:08:49,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:49,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952583181] [2020-10-14 10:08:49,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:49,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:50,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-14 10:08:50,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:50,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 768 [2020-10-14 10:08:50,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:50,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 10:08:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:08:50,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:50,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:50,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:50,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:50,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:50,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:50,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:50,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 646 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2020-10-14 10:08:50,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952583181] [2020-10-14 10:08:50,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:50,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:50,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510891541] [2020-10-14 10:08:50,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:50,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:50,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:50,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:50,646 INFO L87 Difference]: Start difference. First operand 2005 states and 2626 transitions. Second operand 3 states. [2020-10-14 10:08:50,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:50,848 INFO L93 Difference]: Finished difference Result 4148 states and 5458 transitions. [2020-10-14 10:08:50,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:50,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2020-10-14 10:08:50,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:50,854 INFO L225 Difference]: With dead ends: 4148 [2020-10-14 10:08:50,854 INFO L226 Difference]: Without dead ends: 2181 [2020-10-14 10:08:50,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:50,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-10-14 10:08:50,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2140. [2020-10-14 10:08:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-14 10:08:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2806 transitions. [2020-10-14 10:08:50,912 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2806 transitions. Word has length 358 [2020-10-14 10:08:50,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:50,912 INFO L479 AbstractCegarLoop]: Abstraction has 2140 states and 2806 transitions. [2020-10-14 10:08:50,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2806 transitions. [2020-10-14 10:08:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-14 10:08:50,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:50,920 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:50,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 10:08:50,920 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:50,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:50,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1354346269, now seen corresponding path program 1 times [2020-10-14 10:08:50,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:50,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858459127] [2020-10-14 10:08:50,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:51,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:51,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 389 [2020-10-14 10:08:51,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:51,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656 [2020-10-14 10:08:51,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:51,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-14 10:08:51,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:08:51,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:51,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:51,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:51,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:51,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:51,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:51,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:51,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 800 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2020-10-14 10:08:51,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858459127] [2020-10-14 10:08:51,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:51,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:51,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699135026] [2020-10-14 10:08:51,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:51,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:51,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:51,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:51,787 INFO L87 Difference]: Start difference. First operand 2140 states and 2806 transitions. Second operand 3 states. [2020-10-14 10:08:51,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:51,979 INFO L93 Difference]: Finished difference Result 4388 states and 5763 transitions. [2020-10-14 10:08:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:51,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 381 [2020-10-14 10:08:51,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:51,985 INFO L225 Difference]: With dead ends: 4388 [2020-10-14 10:08:51,985 INFO L226 Difference]: Without dead ends: 2296 [2020-10-14 10:08:51,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:51,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2296 states. [2020-10-14 10:08:52,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2296 to 2285. [2020-10-14 10:08:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2285 states. [2020-10-14 10:08:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 2285 states and 3006 transitions. [2020-10-14 10:08:52,039 INFO L78 Accepts]: Start accepts. Automaton has 2285 states and 3006 transitions. Word has length 381 [2020-10-14 10:08:52,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:52,039 INFO L479 AbstractCegarLoop]: Abstraction has 2285 states and 3006 transitions. [2020-10-14 10:08:52,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 3006 transitions. [2020-10-14 10:08:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-10-14 10:08:52,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:52,046 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:52,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 10:08:52,046 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1467408517, now seen corresponding path program 1 times [2020-10-14 10:08:52,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:52,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634801161] [2020-10-14 10:08:52,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:52,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:55,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:55,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 422 [2020-10-14 10:08:55,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:55,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3825 [2020-10-14 10:08:55,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:55,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:55,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:55,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 274 [2020-10-14 10:08:55,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 10:08:55,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:55,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:55,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:55,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:55,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:55,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:55,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:55,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:55,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:55,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 968 proven. 26 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2020-10-14 10:08:56,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634801161] [2020-10-14 10:08:56,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:56,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:56,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708674097] [2020-10-14 10:08:56,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:56,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:56,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:56,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:56,112 INFO L87 Difference]: Start difference. First operand 2285 states and 3006 transitions. Second operand 4 states. [2020-10-14 10:08:56,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:56,396 INFO L93 Difference]: Finished difference Result 3936 states and 5201 transitions. [2020-10-14 10:08:56,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:08:56,397 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 414 [2020-10-14 10:08:56,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:56,398 INFO L225 Difference]: With dead ends: 3936 [2020-10-14 10:08:56,398 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 10:08:56,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:08:56,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 10:08:56,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 10:08:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 10:08:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 10:08:56,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 414 [2020-10-14 10:08:56,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:56,407 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 10:08:56,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:56,407 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 10:08:56,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 10:08:56,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 10:08:56,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 10:08:56,542 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-14 10:08:57,478 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 102 [2020-10-14 10:08:57,854 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 102 [2020-10-14 10:08:58,130 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 17 [2020-10-14 10:08:58,490 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2020-10-14 10:08:58,708 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-10-14 10:08:59,094 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-10-14 10:08:59,320 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-10-14 10:08:59,842 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2020-10-14 10:09:00,470 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2020-10-14 10:09:00,557 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 10:09:00,557 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:09:00,557 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:09:00,557 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 10:09:00,558 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 10:09:00,558 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 10:09:00,558 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 611 622) the Hoare annotation is: true [2020-10-14 10:09:00,558 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 611 622) no Hoare annotation was computed. [2020-10-14 10:09:00,558 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-10-14 10:09:00,558 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-10-14 10:09:00,558 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 611 622) no Hoare annotation was computed. [2020-10-14 10:09:00,558 INFO L268 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-10-14 10:09:00,559 INFO L268 CegarLoopResult]: For program point L399(lines 399 401) no Hoare annotation was computed. [2020-10-14 10:09:00,559 INFO L268 CegarLoopResult]: For program point L333(lines 333 363) no Hoare annotation was computed. [2020-10-14 10:09:00,559 INFO L264 CegarLoopResult]: At program point L201(lines 197 546) the Hoare annotation is: (and (<= ssl3_accept_~blastFlag~0 3) (<= 8672 ssl3_accept_~s__state~0)) [2020-10-14 10:09:00,559 INFO L264 CegarLoopResult]: At program point L102(lines 101 578) the Hoare annotation is: (and (<= ssl3_accept_~blastFlag~0 0) (= 12292 ssl3_accept_~s__state~0)) [2020-10-14 10:09:00,559 INFO L271 CegarLoopResult]: At program point L598(lines 97 599) the Hoare annotation is: true [2020-10-14 10:09:00,559 INFO L268 CegarLoopResult]: For program point L532(lines 532 534) no Hoare annotation was computed. [2020-10-14 10:09:00,560 INFO L268 CegarLoopResult]: For program point L203(lines 203 544) no Hoare annotation was computed. [2020-10-14 10:09:00,560 INFO L268 CegarLoopResult]: For program point L170(lines 170 555) no Hoare annotation was computed. [2020-10-14 10:09:00,560 INFO L268 CegarLoopResult]: For program point L137(lines 137 566) no Hoare annotation was computed. [2020-10-14 10:09:00,560 INFO L268 CegarLoopResult]: For program point L104(lines 104 577) no Hoare annotation was computed. [2020-10-14 10:09:00,560 INFO L268 CegarLoopResult]: For program point L303(lines 303 310) no Hoare annotation was computed. [2020-10-14 10:09:00,560 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 310) no Hoare annotation was computed. [2020-10-14 10:09:00,560 INFO L271 CegarLoopResult]: At program point L204(lines 203 544) the Hoare annotation is: true [2020-10-14 10:09:00,560 INFO L264 CegarLoopResult]: At program point L171(lines 167 556) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and (= ssl3_accept_~s__hit~0 0) .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:00,561 INFO L264 CegarLoopResult]: At program point L138(lines 134 567) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8512))) (or (and .cse0 .cse1 (= ssl3_accept_~s__hit~0 0) (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1)))) [2020-10-14 10:09:00,561 INFO L268 CegarLoopResult]: For program point L338(lines 338 361) no Hoare annotation was computed. [2020-10-14 10:09:00,561 INFO L271 CegarLoopResult]: At program point L206(lines 205 544) the Hoare annotation is: true [2020-10-14 10:09:00,561 INFO L268 CegarLoopResult]: For program point L173(lines 173 554) no Hoare annotation was computed. [2020-10-14 10:09:00,561 INFO L268 CegarLoopResult]: For program point L140(lines 140 565) no Hoare annotation was computed. [2020-10-14 10:09:00,561 INFO L268 CegarLoopResult]: For program point L107(lines 107 576) no Hoare annotation was computed. [2020-10-14 10:09:00,561 INFO L268 CegarLoopResult]: For program point L603(lines 603 605) no Hoare annotation was computed. [2020-10-14 10:09:00,561 INFO L268 CegarLoopResult]: For program point L603-2(lines 603 605) no Hoare annotation was computed. [2020-10-14 10:09:00,562 INFO L268 CegarLoopResult]: For program point L504(lines 504 507) no Hoare annotation was computed. [2020-10-14 10:09:00,562 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-10-14 10:09:00,562 INFO L268 CegarLoopResult]: For program point L273-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:09:00,562 INFO L268 CegarLoopResult]: For program point L439(lines 439 441) no Hoare annotation was computed. [2020-10-14 10:09:00,562 INFO L268 CegarLoopResult]: For program point L307(lines 307 309) no Hoare annotation was computed. [2020-10-14 10:09:00,562 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 610) the Hoare annotation is: true [2020-10-14 10:09:00,562 INFO L268 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-10-14 10:09:00,562 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2020-10-14 10:09:00,563 INFO L268 CegarLoopResult]: For program point L242(lines 242 252) no Hoare annotation was computed. [2020-10-14 10:09:00,563 INFO L268 CegarLoopResult]: For program point L176(lines 176 553) no Hoare annotation was computed. [2020-10-14 10:09:00,563 INFO L268 CegarLoopResult]: For program point L143(lines 143 564) no Hoare annotation was computed. [2020-10-14 10:09:00,563 INFO L268 CegarLoopResult]: For program point L110(lines 110 575) no Hoare annotation was computed. [2020-10-14 10:09:00,563 INFO L268 CegarLoopResult]: For program point L474(lines 474 476) no Hoare annotation was computed. [2020-10-14 10:09:00,563 INFO L268 CegarLoopResult]: For program point L375(lines 375 407) no Hoare annotation was computed. [2020-10-14 10:09:00,563 INFO L268 CegarLoopResult]: For program point L243(lines 243 246) no Hoare annotation was computed. [2020-10-14 10:09:00,563 INFO L264 CegarLoopResult]: At program point L210(lines 104 577) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 0)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse0 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1) (and (<= 8640 ssl3_accept_~s__state~0) .cse1) (and (= ssl3_accept_~s__hit~0 0) (<= ssl3_accept_~blastFlag~0 2) .cse2 .cse0) (and (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse0))) [2020-10-14 10:09:00,564 INFO L264 CegarLoopResult]: At program point L177(lines 173 554) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and (= ssl3_accept_~s__hit~0 0) .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:00,564 INFO L264 CegarLoopResult]: At program point L144(lines 140 565) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8528))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and (= ssl3_accept_~s__hit~0 0) .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:00,564 INFO L268 CegarLoopResult]: For program point L442(lines 442 451) no Hoare annotation was computed. [2020-10-14 10:09:00,564 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-10-14 10:09:00,564 INFO L264 CegarLoopResult]: At program point L542(lines 98 597) the Hoare annotation is: (let ((.cse12 (= ssl3_accept_~s__hit~0 0))) (let ((.cse9 (<= 8480 ssl3_accept_~s__state~0)) (.cse11 (<= ssl3_accept_~s__state~0 8496)) (.cse1 (<= 8640 ssl3_accept_~s__state~0)) (.cse4 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (not .cse12)) (.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse13 (<= ssl3_accept_~s__state~0 3)) (.cse10 (<= ssl3_accept_~blastFlag~0 1)) (.cse14 (<= ssl3_accept_~s__state~0 8640)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse3 (<= 8448 ssl3_accept_~s__state~0)) (.cse7 (<= ssl3_accept_~s__state~0 8448)) (.cse8 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11) (and (<= 8464 ssl3_accept_~s__state~0) .cse12 (<= ssl3_accept_~s__state~0 8480) .cse2) (and .cse9 .cse12 .cse11 .cse2) (and .cse13 .cse4 .cse6 .cse8) (and .cse1 .cse4 .cse5 .cse14 .cse6 .cse8) (<= ssl3_accept_~blastFlag~0 0) (and .cse0 .cse8 (<= 8672 ssl3_accept_~s__state~0)) (and .cse13 .cse2) (and .cse12 .cse14 .cse2 .cse6) (and .cse12 (<= 8512 ssl3_accept_~s__state~0) .cse14 .cse2) (and .cse12 .cse13 .cse6) (and .cse10 .cse14 .cse6) (and .cse3 .cse12 .cse7 .cse8 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))))) [2020-10-14 10:09:00,564 INFO L268 CegarLoopResult]: For program point L179(lines 179 552) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L146(lines 146 563) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L113(lines 113 574) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L512(lines 512 514) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L446(lines 446 448) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L182(lines 182 551) no Hoare annotation was computed. [2020-10-14 10:09:00,565 INFO L268 CegarLoopResult]: For program point L149(lines 149 562) no Hoare annotation was computed. [2020-10-14 10:09:00,566 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-14 10:09:00,566 INFO L268 CegarLoopResult]: For program point L116(lines 116 573) no Hoare annotation was computed. [2020-10-14 10:09:00,566 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-10-14 10:09:00,566 INFO L264 CegarLoopResult]: At program point L513(lines 71 609) the Hoare annotation is: false [2020-10-14 10:09:00,566 INFO L264 CegarLoopResult]: At program point L183(lines 179 552) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and (= ssl3_accept_~s__hit~0 0) .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:00,566 INFO L264 CegarLoopResult]: At program point L150(lines 146 563) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8544)) (.cse1 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-14 10:09:00,566 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-14 10:09:00,566 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-14 10:09:00,567 INFO L268 CegarLoopResult]: For program point L580(lines 580 594) no Hoare annotation was computed. [2020-10-14 10:09:00,567 INFO L268 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2020-10-14 10:09:00,567 INFO L268 CegarLoopResult]: For program point L581(lines 581 586) no Hoare annotation was computed. [2020-10-14 10:09:00,567 INFO L268 CegarLoopResult]: For program point L515(lines 515 517) no Hoare annotation was computed. [2020-10-14 10:09:00,567 INFO L268 CegarLoopResult]: For program point L581-2(lines 580 594) no Hoare annotation was computed. [2020-10-14 10:09:00,567 INFO L264 CegarLoopResult]: At program point L350(lines 326 368) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8544)) (.cse1 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-14 10:09:00,567 INFO L268 CegarLoopResult]: For program point L185(lines 185 550) no Hoare annotation was computed. [2020-10-14 10:09:00,567 INFO L268 CegarLoopResult]: For program point L152(lines 152 561) no Hoare annotation was computed. [2020-10-14 10:09:00,568 INFO L268 CegarLoopResult]: For program point L119(lines 119 572) no Hoare annotation was computed. [2020-10-14 10:09:00,568 INFO L268 CegarLoopResult]: For program point L417(lines 417 419) no Hoare annotation was computed. [2020-10-14 10:09:00,568 INFO L264 CegarLoopResult]: At program point L384(lines 375 407) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:00,568 INFO L264 CegarLoopResult]: At program point L120(lines 116 573) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8496))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:00,568 INFO L268 CegarLoopResult]: For program point L583(lines 583 585) no Hoare annotation was computed. [2020-10-14 10:09:00,568 INFO L268 CegarLoopResult]: For program point L352(lines 352 354) no Hoare annotation was computed. [2020-10-14 10:09:00,568 INFO L268 CegarLoopResult]: For program point L286(lines 286 288) no Hoare annotation was computed. [2020-10-14 10:09:00,568 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point L286-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point L320-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point L188(lines 188 549) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point L155(lines 155 560) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point L122(lines 122 571) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point L89-1(lines 71 609) no Hoare annotation was computed. [2020-10-14 10:09:00,569 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 610) no Hoare annotation was computed. [2020-10-14 10:09:00,570 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-10-14 10:09:00,570 INFO L268 CegarLoopResult]: For program point L519-2(lines 519 523) no Hoare annotation was computed. [2020-10-14 10:09:00,570 INFO L268 CegarLoopResult]: For program point L387(lines 387 405) no Hoare annotation was computed. [2020-10-14 10:09:00,570 INFO L264 CegarLoopResult]: At program point L189(lines 185 550) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= 8640 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (<= ssl3_accept_~blastFlag~0 3)))) [2020-10-14 10:09:00,570 INFO L264 CegarLoopResult]: At program point L156(lines 152 561) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:00,570 INFO L264 CegarLoopResult]: At program point L123(lines 122 571) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= ssl3_accept_~s__state~0 8496))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-14 10:09:00,570 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L487(lines 487 490) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L191(lines 191 548) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L158(lines 158 559) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L125(lines 125 570) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L588(lines 588 592) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 610) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L456(lines 456 458) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-14 10:09:00,571 INFO L268 CegarLoopResult]: For program point L225(lines 225 236) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L225-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L425-1(lines 425 433) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L194(lines 194 547) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L161(lines 161 558) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L128(lines 128 569) no Hoare annotation was computed. [2020-10-14 10:09:00,572 INFO L268 CegarLoopResult]: For program point L492(lines 492 498) no Hoare annotation was computed. [2020-10-14 10:09:00,573 INFO L264 CegarLoopResult]: At program point L195(lines 191 548) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8672) (<= 8640 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-14 10:09:00,573 INFO L264 CegarLoopResult]: At program point L162(lines 158 559) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and (= ssl3_accept_~s__hit~0 0) .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1))) [2020-10-14 10:09:00,573 INFO L268 CegarLoopResult]: For program point L428(lines 428 431) no Hoare annotation was computed. [2020-10-14 10:09:00,573 INFO L268 CegarLoopResult]: For program point L329(lines 329 367) no Hoare annotation was computed. [2020-10-14 10:09:00,573 INFO L268 CegarLoopResult]: For program point L197(lines 197 546) no Hoare annotation was computed. [2020-10-14 10:09:00,573 INFO L268 CegarLoopResult]: For program point L164(lines 164 557) no Hoare annotation was computed. [2020-10-14 10:09:00,573 INFO L268 CegarLoopResult]: For program point L131(lines 131 568) no Hoare annotation was computed. [2020-10-14 10:09:00,573 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 607) no Hoare annotation was computed. [2020-10-14 10:09:00,574 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 597) the Hoare annotation is: (let ((.cse12 (= ssl3_accept_~s__hit~0 0))) (let ((.cse9 (<= 8480 ssl3_accept_~s__state~0)) (.cse11 (<= ssl3_accept_~s__state~0 8496)) (.cse1 (<= 8640 ssl3_accept_~s__state~0)) (.cse4 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (not .cse12)) (.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse13 (<= ssl3_accept_~s__state~0 3)) (.cse10 (<= ssl3_accept_~blastFlag~0 1)) (.cse14 (<= ssl3_accept_~s__state~0 8640)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse3 (<= 8448 ssl3_accept_~s__state~0)) (.cse7 (<= ssl3_accept_~s__state~0 8448)) (.cse8 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11) (and (<= 8464 ssl3_accept_~s__state~0) .cse12 (<= ssl3_accept_~s__state~0 8480) .cse2) (and .cse9 .cse12 .cse11 .cse2) (and .cse13 .cse4 .cse6 .cse8) (and .cse1 .cse4 .cse5 .cse14 .cse6 .cse8) (<= ssl3_accept_~blastFlag~0 0) (and .cse0 .cse8 (<= 8672 ssl3_accept_~s__state~0)) (and .cse13 .cse2) (and .cse12 .cse14 .cse2 .cse6) (and .cse12 (<= 8512 ssl3_accept_~s__state~0) .cse14 .cse2) (and .cse12 .cse13 .cse6) (and .cse10 .cse14 .cse6) (and .cse3 .cse12 .cse7 .cse8 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))))) [2020-10-14 10:09:00,574 INFO L268 CegarLoopResult]: For program point L495(lines 495 497) no Hoare annotation was computed. [2020-10-14 10:09:00,574 INFO L268 CegarLoopResult]: For program point L495-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:09:00,574 INFO L264 CegarLoopResult]: At program point L396(lines 387 405) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1))) [2020-10-14 10:09:00,574 INFO L268 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-10-14 10:09:00,574 INFO L264 CegarLoopResult]: At program point L165(lines 164 557) the Hoare annotation is: (let ((.cse4 (<= ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse3 (= ssl3_accept_~s__hit~0 0)) (.cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse2 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2) (and .cse0 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not .cse3) .cse1 .cse2 .cse4) (and .cse0 .cse2 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse3 .cse2 .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and .cse0 .cse3 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2))) [2020-10-14 10:09:00,575 INFO L264 CegarLoopResult]: At program point L132(lines 125 570) the Hoare annotation is: (let ((.cse0 (<= 8464 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8480))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L529(lines 529 535) no Hoare annotation was computed. [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L529-1(lines 529 535) no Hoare annotation was computed. [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L332(lines 332 366) no Hoare annotation was computed. [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 366) no Hoare annotation was computed. [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L200(lines 200 545) no Hoare annotation was computed. [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L167(lines 167 556) no Hoare annotation was computed. [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L134(lines 134 567) no Hoare annotation was computed. [2020-10-14 10:09:00,575 INFO L268 CegarLoopResult]: For program point L101(lines 101 578) no Hoare annotation was computed. [2020-10-14 10:09:00,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:09:00 BoogieIcfgContainer [2020-10-14 10:09:00,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 10:09:00,606 INFO L168 Benchmark]: Toolchain (without parser) took 35667.75 ms. Allocated memory was 145.8 MB in the beginning and 1.0 GB in the end (delta: 873.5 MB). Free memory was 101.4 MB in the beginning and 186.0 MB in the end (delta: -84.6 MB). Peak memory consumption was 788.8 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:00,606 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 10:09:00,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.75 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 177.8 MB in the end (delta: -76.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:00,607 INFO L168 Benchmark]: Boogie Preprocessor took 78.54 ms. Allocated memory is still 202.9 MB. Free memory was 177.8 MB in the beginning and 174.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:00,608 INFO L168 Benchmark]: RCFGBuilder took 746.01 ms. Allocated memory is still 202.9 MB. Free memory was 174.7 MB in the beginning and 124.2 MB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:00,609 INFO L168 Benchmark]: TraceAbstraction took 34302.14 ms. Allocated memory was 202.9 MB in the beginning and 1.0 GB in the end (delta: 816.3 MB). Free memory was 123.2 MB in the beginning and 186.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 753.5 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:00,611 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 535.75 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 177.8 MB in the end (delta: -76.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.54 ms. Allocated memory is still 202.9 MB. Free memory was 177.8 MB in the beginning and 174.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 746.01 ms. Allocated memory is still 202.9 MB. Free memory was 174.7 MB in the beginning and 124.2 MB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34302.14 ms. Allocated memory was 202.9 MB in the beginning and 1.0 GB in the end (delta: 816.3 MB). Free memory was 123.2 MB in the beginning and 186.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 753.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 607]: 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: 387]: Loop Invariant Derived loop invariant: (((s__state <= 8560 && s__hit == 0) && 8512 <= s__state) && blastFlag <= 2) || ((blastFlag <= 1 && s__state <= 8560) && 8512 <= s__state) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((s__hit == 0 && 8512 <= s__state) && s__state <= 8640) && blastFlag <= 2) || ((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8640) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && blastFlag <= 2) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (s__state <= 8672 && 8640 <= s__state) && blastFlag <= 2 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((8512 <= s__state && s__state <= 8528) && blastFlag <= 0) || (((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8528) && s__s3__tmp__next_state___0 <= 8640)) || (((s__hit == 0 && 8512 <= s__state) && s__state <= 8528) && blastFlag <= 2) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: blastFlag <= 0 && 12292 == s__state - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((8512 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || (((s__hit == 0 && 8512 <= s__state) && s__state <= 8640) && blastFlag <= 2) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((s__state <= 8448 && blastFlag <= 0) || (8640 <= s__state && blastFlag <= 0)) || (((s__hit == 0 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || ((blastFlag <= 1 && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: blastFlag <= 3 && 8672 <= s__state - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 0) || (((s__state <= 8560 && blastFlag <= 1) && 8512 <= s__state) && s__s3__tmp__next_state___0 <= 8640)) || (((s__state <= 8560 && s__hit == 0) && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((s__state <= 8544 && s__hit == 0) && 8512 <= s__state) && blastFlag <= 2) || ((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 0)) || (((s__state <= 8544 && blastFlag <= 1) && 8512 <= s__state) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((8512 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || (((s__hit == 0 && 8512 <= s__state) && s__state <= 8640) && blastFlag <= 2) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((8464 <= s__state && blastFlag <= 1) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8640) || (((8464 <= s__state && s__hit == 0) && s__state <= 8480) && blastFlag <= 2)) || ((8464 <= s__state && s__state <= 8480) && blastFlag <= 0) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((8448 <= s__state && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) || (((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && blastFlag <= 3)) || ((8448 <= s__state && s__state <= 8448) && blastFlag <= 0)) || ((((8448 <= s__state && s__hit == 0) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || ((((8448 <= s__state && s__hit == 0) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((((8480 <= s__state && s__hit == 0) && s__state <= 8496) && s__s3__tmp__next_state___0 <= 8640) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && blastFlag <= 2) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 0) || (((s__state <= 8560 && blastFlag <= 1) && 8512 <= s__state) && s__s3__tmp__next_state___0 <= 8640)) || (((s__state <= 8560 && s__hit == 0) && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((s__state <= 8672 && 8640 <= s__state) && blastFlag <= 2) || (((((s__state <= 8672 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((s__state <= 8672 && 8640 <= s__state) && blastFlag <= 2) || (((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && blastFlag <= 3)) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((8464 <= s__state && s__hit == 0) && s__state <= 8480) && blastFlag <= 2)) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && blastFlag <= 2)) || (((s__state <= 3 && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3)) || (((((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3)) || blastFlag <= 0) || ((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state)) || (s__state <= 3 && blastFlag <= 2)) || (((s__hit == 0 && s__state <= 8640) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8640)) || (((s__hit == 0 && 8512 <= s__state) && s__state <= 8640) && blastFlag <= 2)) || ((s__hit == 0 && s__state <= 3) && s__s3__tmp__next_state___0 <= 8640)) || ((blastFlag <= 1 && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || ((((8448 <= s__state && s__hit == 0) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((((s__state <= 8544 && s__hit == 0) && 8512 <= s__state) && blastFlag <= 2) || ((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 0)) || (((s__state <= 8544 && blastFlag <= 1) && 8512 <= s__state) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8512) && s__hit == 0) && blastFlag <= 2) || ((8480 <= s__state && s__state <= 8512) && blastFlag <= 1) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((s__state <= 8672 && 8640 <= s__state) && blastFlag <= 2) || (((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && blastFlag <= 3)) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((8464 <= s__state && s__hit == 0) && s__state <= 8480) && blastFlag <= 2)) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && blastFlag <= 2)) || (((s__state <= 3 && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3)) || (((((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3)) || blastFlag <= 0) || ((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state)) || (s__state <= 3 && blastFlag <= 2)) || (((s__hit == 0 && s__state <= 8640) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8640)) || (((s__hit == 0 && 8512 <= s__state) && s__state <= 8640) && blastFlag <= 2)) || ((s__hit == 0 && s__state <= 3) && s__s3__tmp__next_state___0 <= 8640)) || ((blastFlag <= 1 && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || ((((8448 <= s__state && s__hit == 0) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((8512 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || (((s__hit == 0 && 8512 <= s__state) && s__state <= 8640) && blastFlag <= 2) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 149 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.0s, OverallIterations: 24, TraceHistogramMax: 13, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5627 SDtfs, 2306 SDslu, 3230 SDs, 0 SdLazy, 2486 SolverSat, 672 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7471occurred in iteration=18, 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, 24 MinimizatonAttempts, 3033 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 308 NumberOfFragments, 1009 HoareAnnotationTreeSize, 32 FomulaSimplifications, 17719 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 32 FomulaSimplificationsInter, 5719 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 5739 NumberOfCodeBlocks, 5739 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5715 ConstructedInterpolants, 0 QuantifiedInterpolants, 2065043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 14174/14242 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...