/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/eca-rers2012/Problem14_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:20:43,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:20:43,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:20:43,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:20:43,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:20:43,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:20:43,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:20:43,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:20:43,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:20:43,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:20:43,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:20:43,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:20:43,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:20:43,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:20:43,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:20:43,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:20:43,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:20:43,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:20:43,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:20:43,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:20:43,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:20:43,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:20:43,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:20:43,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:20:43,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:20:43,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:20:43,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:20:43,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:20:43,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:20:43,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:20:43,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:20:43,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:20:43,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:20:43,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:20:43,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:20:43,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:20:43,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:20:43,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:20:43,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:20:43,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:20:43,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:20:43,443 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 03:20:43,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:20:43,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:20:43,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:20:43,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:20:43,473 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:20:43,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:20:43,473 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:20:43,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:20:43,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:20:43,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:20:43,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:20:43,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:20:43,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:20:43,474 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:20:43,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:20:43,475 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:20:43,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:20:43,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:20:43,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:20:43,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:20:43,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:20:43,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:20:43,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:20:43,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:20:43,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:20:43,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:20:43,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:20:43,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:20:43,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:20:43,477 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 03:20:43,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:20:43,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:20:43,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:20:43,796 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:20:43,796 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:20:43,797 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label48.c [2020-10-14 03:20:43,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98245a177/86e280fc70374f70ba51684a30a4f960/FLAGff093f7d4 [2020-10-14 03:20:44,464 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:20:44,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label48.c [2020-10-14 03:20:44,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98245a177/86e280fc70374f70ba51684a30a4f960/FLAGff093f7d4 [2020-10-14 03:20:44,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98245a177/86e280fc70374f70ba51684a30a4f960 [2020-10-14 03:20:44,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:20:44,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:20:44,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:20:44,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:20:44,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:20:44,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:20:44" (1/1) ... [2020-10-14 03:20:44,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2894617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:44, skipping insertion in model container [2020-10-14 03:20:44,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:20:44" (1/1) ... [2020-10-14 03:20:44,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:20:44,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:20:45,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:20:45,361 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:20:45,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:20:45,597 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:20:45,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45 WrapperNode [2020-10-14 03:20:45,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:20:45,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:20:45,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:20:45,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:20:45,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (1/1) ... [2020-10-14 03:20:45,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (1/1) ... [2020-10-14 03:20:45,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (1/1) ... [2020-10-14 03:20:45,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (1/1) ... [2020-10-14 03:20:45,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (1/1) ... [2020-10-14 03:20:45,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (1/1) ... [2020-10-14 03:20:45,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (1/1) ... [2020-10-14 03:20:45,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:20:45,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:20:45,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:20:45,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:20:45,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (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 03:20:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:20:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:20:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:20:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:20:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:20:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:20:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:20:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:20:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:20:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:20:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:20:47,332 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:20:47,332 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:20:47,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:20:47 BoogieIcfgContainer [2020-10-14 03:20:47,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:20:47,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:20:47,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:20:47,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:20:47,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:20:44" (1/3) ... [2020-10-14 03:20:47,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aeceba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:20:47, skipping insertion in model container [2020-10-14 03:20:47,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:45" (2/3) ... [2020-10-14 03:20:47,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aeceba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:20:47, skipping insertion in model container [2020-10-14 03:20:47,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:20:47" (3/3) ... [2020-10-14 03:20:47,347 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label48.c [2020-10-14 03:20:47,358 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:20:47,366 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:20:47,381 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:20:47,410 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:20:47,411 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:20:47,411 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:20:47,411 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:20:47,411 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:20:47,412 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:20:47,412 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:20:47,412 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:20:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:20:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-14 03:20:47,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:47,446 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] [2020-10-14 03:20:47,446 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:47,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:47,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1044438083, now seen corresponding path program 1 times [2020-10-14 03:20:47,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:47,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573669225] [2020-10-14 03:20:47,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:47,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:47,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:47,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 03:20:47,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:47,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-14 03:20:47,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:47,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:47,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:20:47,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:20:47,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 03:20:47,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:20:48,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:48,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:48,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:48,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:48,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:48,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:20:48,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:48,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:20:48,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:48,248 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 03:20:48,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573669225] [2020-10-14 03:20:48,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:20:48,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:20:48,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487069337] [2020-10-14 03:20:48,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:20:48,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:48,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:20:48,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:20:48,279 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:20:50,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:50,008 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 03:20:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:50,010 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-10-14 03:20:50,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:50,027 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:20:50,027 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:20:50,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 03:20:50,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:20:50,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 03:20:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 03:20:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 03:20:50,112 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 44 [2020-10-14 03:20:50,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:50,113 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 03:20:50,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:20:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 03:20:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 03:20:50,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:50,119 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:20:50,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:20:50,120 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:50,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1151253645, now seen corresponding path program 1 times [2020-10-14 03:20:50,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:50,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290902151] [2020-10-14 03:20:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:50,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:50,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:50,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:50,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 03:20:50,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:20:50,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-10-14 03:20:50,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:50,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:20:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 03:20:50,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:20:51,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:51,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:51,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:51,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:51,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:51,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:51,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:51,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:51,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:51,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:51,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:51,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:51,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:51,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:51,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:20:51,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:51,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 03:20:51,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:51,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:20:51,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:20:51,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290902151] [2020-10-14 03:20:51,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:51,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:51,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256554970] [2020-10-14 03:20:51,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:51,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:51,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:51,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:51,148 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-14 03:20:52,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:52,743 INFO L93 Difference]: Finished difference Result 1118 states and 1662 transitions. [2020-10-14 03:20:52,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:52,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-10-14 03:20:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:52,751 INFO L225 Difference]: With dead ends: 1118 [2020-10-14 03:20:52,751 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:20:52,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:20:52,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:20:52,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-14 03:20:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 03:20:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 999 transitions. [2020-10-14 03:20:52,802 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 999 transitions. Word has length 113 [2020-10-14 03:20:52,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:52,803 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 999 transitions. [2020-10-14 03:20:52,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 999 transitions. [2020-10-14 03:20:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-14 03:20:52,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:52,808 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-14 03:20:52,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:20:52,809 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:52,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:52,810 INFO L82 PathProgramCache]: Analyzing trace with hash -108340921, now seen corresponding path program 1 times [2020-10-14 03:20:52,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:52,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323122100] [2020-10-14 03:20:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:52,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:53,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:53,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:55,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:57,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:57,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 03:20:57,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:20:57,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 03:20:57,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:57,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:20:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:20:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:57,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:57,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:57,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:57,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:57,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:20:57,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:57,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:57,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:57,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:58,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:58,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:58,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:20:58,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 03:20:58,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:58,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:20:58,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:58,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:20:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:58,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:58,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:58,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:20:58,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:58,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 03:20:58,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:58,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:20:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:20:58,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323122100] [2020-10-14 03:20:58,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:58,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:20:58,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755422783] [2020-10-14 03:20:58,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:20:58,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:58,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:20:58,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:20:58,477 INFO L87 Difference]: Start difference. First operand 744 states and 999 transitions. Second operand 8 states. [2020-10-14 03:21:01,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:01,548 INFO L93 Difference]: Finished difference Result 2084 states and 2925 transitions. [2020-10-14 03:21:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:21:01,549 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-10-14 03:21:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:01,568 INFO L225 Difference]: With dead ends: 2084 [2020-10-14 03:21:01,569 INFO L226 Difference]: Without dead ends: 1346 [2020-10-14 03:21:01,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:01,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2020-10-14 03:21:01,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1320. [2020-10-14 03:21:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-10-14 03:21:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1707 transitions. [2020-10-14 03:21:01,658 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1707 transitions. Word has length 196 [2020-10-14 03:21:01,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:01,660 INFO L479 AbstractCegarLoop]: Abstraction has 1320 states and 1707 transitions. [2020-10-14 03:21:01,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:21:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1707 transitions. [2020-10-14 03:21:01,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-14 03:21:01,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:01,675 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:01,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:21:01,675 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:01,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:01,683 INFO L82 PathProgramCache]: Analyzing trace with hash -906012913, now seen corresponding path program 1 times [2020-10-14 03:21:01,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:01,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634849958] [2020-10-14 03:21:01,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:01,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:01,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:01,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:02,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:04,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:06,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:06,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-14 03:21:06,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:21:06,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 03:21:06,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:06,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:06,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:06,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 03:21:06,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:21:06,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:06,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:06,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:06,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:06,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:06,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:06,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:21:06,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:06,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:06,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:06,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:06,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:21:06,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:06,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:21:06,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:06,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 03:21:06,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:21:06,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 03:21:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:06,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:07,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:07,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:21:07,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:07,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 03:21:07,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:07,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:07,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:21:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:21:07,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634849958] [2020-10-14 03:21:07,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:07,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:07,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518214241] [2020-10-14 03:21:07,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:07,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:07,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:07,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:07,286 INFO L87 Difference]: Start difference. First operand 1320 states and 1707 transitions. Second operand 7 states. [2020-10-14 03:21:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:09,680 INFO L93 Difference]: Finished difference Result 2670 states and 3583 transitions. [2020-10-14 03:21:09,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:21:09,681 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2020-10-14 03:21:09,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:09,690 INFO L225 Difference]: With dead ends: 2670 [2020-10-14 03:21:09,690 INFO L226 Difference]: Without dead ends: 778 [2020-10-14 03:21:09,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:09,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-10-14 03:21:09,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 748. [2020-10-14 03:21:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-14 03:21:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 831 transitions. [2020-10-14 03:21:09,739 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 831 transitions. Word has length 200 [2020-10-14 03:21:09,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:09,739 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 831 transitions. [2020-10-14 03:21:09,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 831 transitions. [2020-10-14 03:21:09,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-14 03:21:09,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:09,746 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:09,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:21:09,747 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:09,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:09,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1807163153, now seen corresponding path program 1 times [2020-10-14 03:21:09,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:09,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570667243] [2020-10-14 03:21:09,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:09,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:10,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:10,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:12,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:12,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-14 03:21:12,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:12,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2419 [2020-10-14 03:21:12,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:12,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:12,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:12,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:21:12,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 03:21:12,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:12,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:12,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:12,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:12,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:12,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:12,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:12,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:12,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:12,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:12,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:12,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:12,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:12,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:12,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 03:21:12,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:12,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:21:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:12,573 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:12,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570667243] [2020-10-14 03:21:12,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:12,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 03:21:12,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292127012] [2020-10-14 03:21:12,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 03:21:12,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:12,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 03:21:12,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:12,575 INFO L87 Difference]: Start difference. First operand 748 states and 831 transitions. Second operand 6 states. [2020-10-14 03:21:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:14,168 INFO L93 Difference]: Finished difference Result 2236 states and 2578 transitions. [2020-10-14 03:21:14,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:21:14,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2020-10-14 03:21:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:14,183 INFO L225 Difference]: With dead ends: 2236 [2020-10-14 03:21:14,183 INFO L226 Difference]: Without dead ends: 1494 [2020-10-14 03:21:14,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:21:14,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2020-10-14 03:21:14,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1304. [2020-10-14 03:21:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-10-14 03:21:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1508 transitions. [2020-10-14 03:21:14,235 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1508 transitions. Word has length 223 [2020-10-14 03:21:14,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:14,236 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1508 transitions. [2020-10-14 03:21:14,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 03:21:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1508 transitions. [2020-10-14 03:21:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-14 03:21:14,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:14,243 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:14,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:21:14,243 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:14,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:14,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1549625964, now seen corresponding path program 1 times [2020-10-14 03:21:14,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:14,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977636131] [2020-10-14 03:21:14,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:14,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:14,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:15,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:15,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-14 03:21:15,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:21:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1652 [2020-10-14 03:21:15,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:15,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:21:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:21:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 03:21:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:16,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:16,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:16,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:16,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:16,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:16,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:21:16,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:16,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:16,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:21:16,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:16,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:16,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:16,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:16,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:16,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-14 03:21:16,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:16,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:16,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:16,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:16,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:16,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:16,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:16,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:16,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:16,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:21:16,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:16,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 74 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 03:21:16,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977636131] [2020-10-14 03:21:16,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:16,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:16,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704854277] [2020-10-14 03:21:16,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:16,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:16,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:16,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:16,857 INFO L87 Difference]: Start difference. First operand 1304 states and 1508 transitions. Second operand 7 states. [2020-10-14 03:21:18,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:18,664 INFO L93 Difference]: Finished difference Result 2988 states and 3471 transitions. [2020-10-14 03:21:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:21:18,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 309 [2020-10-14 03:21:18,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:18,681 INFO L225 Difference]: With dead ends: 2988 [2020-10-14 03:21:18,682 INFO L226 Difference]: Without dead ends: 1690 [2020-10-14 03:21:18,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:18,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-10-14 03:21:18,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1678. [2020-10-14 03:21:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2020-10-14 03:21:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 1914 transitions. [2020-10-14 03:21:18,754 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 1914 transitions. Word has length 309 [2020-10-14 03:21:18,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:18,755 INFO L479 AbstractCegarLoop]: Abstraction has 1678 states and 1914 transitions. [2020-10-14 03:21:18,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:18,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 1914 transitions. [2020-10-14 03:21:18,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-10-14 03:21:18,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:18,765 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:18,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:21:18,765 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:18,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:18,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1882650202, now seen corresponding path program 1 times [2020-10-14 03:21:18,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:18,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147154057] [2020-10-14 03:21:18,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:18,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:19,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:19,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:23,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:23,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 432 [2020-10-14 03:21:23,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 03:21:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:23,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:21:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:21:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:24,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:24,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:24,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:24,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:24,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:24,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:21:24,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:24,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:24,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:21:24,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:24,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:24,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:24,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:21:24,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 03:21:24,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:24,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:24,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:21:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 33 [2020-10-14 03:21:24,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:21:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:24,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:24,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:24,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:24,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:24,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-14 03:21:24,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:24,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 03:21:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:24,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:24,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:24,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:24,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:21:24,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:24,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:24,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 221 proven. 85 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 03:21:25,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147154057] [2020-10-14 03:21:25,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:25,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:25,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649757937] [2020-10-14 03:21:25,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:25,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:25,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:25,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:25,151 INFO L87 Difference]: Start difference. First operand 1678 states and 1914 transitions. Second operand 7 states. [2020-10-14 03:21:26,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:26,929 INFO L93 Difference]: Finished difference Result 3924 states and 4587 transitions. [2020-10-14 03:21:26,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:21:26,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 418 [2020-10-14 03:21:26,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:26,946 INFO L225 Difference]: With dead ends: 3924 [2020-10-14 03:21:26,946 INFO L226 Difference]: Without dead ends: 2434 [2020-10-14 03:21:26,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:26,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2020-10-14 03:21:27,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2420. [2020-10-14 03:21:27,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2420 states. [2020-10-14 03:21:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 2745 transitions. [2020-10-14 03:21:27,054 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 2745 transitions. Word has length 418 [2020-10-14 03:21:27,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:27,055 INFO L479 AbstractCegarLoop]: Abstraction has 2420 states and 2745 transitions. [2020-10-14 03:21:27,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2745 transitions. [2020-10-14 03:21:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2020-10-14 03:21:27,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:27,076 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:27,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:21:27,077 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:27,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:27,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1656956170, now seen corresponding path program 1 times [2020-10-14 03:21:27,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:27,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264513658] [2020-10-14 03:21:27,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:27,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:27,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:32,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 456 [2020-10-14 03:21:32,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:32,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 03:21:32,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:32,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:32,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:32,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 03:21:32,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:21:32,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:32,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:32,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:32,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:32,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:32,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:21:32,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:32,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:32,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:32,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:32,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:32,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:32,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:32,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:32,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:21:32,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:32,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 03:21:32,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:32,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:32,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:32,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:32,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:21:32,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:32,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 03:21:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:32,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:32,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:32,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:32,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-14 03:21:32,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:32,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:32,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:32,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 03:21:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:32,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:32,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:32,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:21:32,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:32,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:32,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:32,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:32,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:32,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 245 proven. 85 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 03:21:32,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264513658] [2020-10-14 03:21:32,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:32,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:32,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513595139] [2020-10-14 03:21:32,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:32,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:32,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:32,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:32,931 INFO L87 Difference]: Start difference. First operand 2420 states and 2745 transitions. Second operand 7 states. [2020-10-14 03:21:34,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:34,585 INFO L93 Difference]: Finished difference Result 6392 states and 7639 transitions. [2020-10-14 03:21:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:21:34,586 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 442 [2020-10-14 03:21:34,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:34,607 INFO L225 Difference]: With dead ends: 6392 [2020-10-14 03:21:34,608 INFO L226 Difference]: Without dead ends: 3978 [2020-10-14 03:21:34,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:34,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2020-10-14 03:21:34,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3894. [2020-10-14 03:21:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3894 states. [2020-10-14 03:21:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 4389 transitions. [2020-10-14 03:21:34,731 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 4389 transitions. Word has length 442 [2020-10-14 03:21:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:34,732 INFO L479 AbstractCegarLoop]: Abstraction has 3894 states and 4389 transitions. [2020-10-14 03:21:34,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 4389 transitions. [2020-10-14 03:21:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-10-14 03:21:34,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:34,748 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:34,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:21:34,749 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:34,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:34,749 INFO L82 PathProgramCache]: Analyzing trace with hash -948823528, now seen corresponding path program 1 times [2020-10-14 03:21:34,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:34,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515659114] [2020-10-14 03:21:34,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:34,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:36,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:37,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:39,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:39,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 593 [2020-10-14 03:21:39,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:21:39,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-14 03:21:39,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:39,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 280 [2020-10-14 03:21:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:21:39,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:39,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:39,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:39,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:39,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:39,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:39,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:39,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:39,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:40,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:40,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:21:40,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 03:21:40,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:40,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:40,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:40,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:21:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:40,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:40,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:40,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:21:40,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 03:21:40,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:40,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:21:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:40,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 03:21:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:40,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:40,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:40,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:40,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:40,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-14 03:21:40,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:40,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:40,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:40,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-14 03:21:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:40,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:40,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:40,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:40,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:40,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:21:40,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:40,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:40,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:40,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 423 proven. 85 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2020-10-14 03:21:40,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515659114] [2020-10-14 03:21:40,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:40,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:40,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666029230] [2020-10-14 03:21:40,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:40,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:40,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:40,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:40,859 INFO L87 Difference]: Start difference. First operand 3894 states and 4389 transitions. Second operand 7 states. [2020-10-14 03:21:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:42,336 INFO L93 Difference]: Finished difference Result 8710 states and 10013 transitions. [2020-10-14 03:21:42,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:21:42,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 577 [2020-10-14 03:21:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:42,364 INFO L225 Difference]: With dead ends: 8710 [2020-10-14 03:21:42,365 INFO L226 Difference]: Without dead ends: 5188 [2020-10-14 03:21:42,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:42,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2020-10-14 03:21:42,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5002. [2020-10-14 03:21:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5002 states. [2020-10-14 03:21:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5002 states to 5002 states and 5754 transitions. [2020-10-14 03:21:42,503 INFO L78 Accepts]: Start accepts. Automaton has 5002 states and 5754 transitions. Word has length 577 [2020-10-14 03:21:42,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:42,504 INFO L479 AbstractCegarLoop]: Abstraction has 5002 states and 5754 transitions. [2020-10-14 03:21:42,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 5002 states and 5754 transitions. [2020-10-14 03:21:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2020-10-14 03:21:42,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:42,514 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:42,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:21:42,514 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:42,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1585883839, now seen corresponding path program 1 times [2020-10-14 03:21:42,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:42,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214268396] [2020-10-14 03:21:42,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:42,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:42,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:42,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:44,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:47,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:47,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 671 [2020-10-14 03:21:47,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 03:21:47,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:47,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:21:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 03:21:47,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:47,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:47,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:47,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:47,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:47,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:47,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:47,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:47,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:21:47,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:47,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 03:21:47,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:47,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:47,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:47,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:47,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:21:47,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:47,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:21:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:47,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:47,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:47,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:21:47,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:47,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 03:21:47,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:47,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 03:21:47,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:48,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 03:21:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:48,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:48,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:48,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:21:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:21:48,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:48,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:21:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:48,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-14 03:21:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:48,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:48,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:48,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:48,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:48,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:21:48,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:48,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:21:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:48,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:48,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-10-14 03:21:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:48,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:48,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:48,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:48,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:21:48,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:48,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:48,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:48,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 303 proven. 314 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-10-14 03:21:48,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214268396] [2020-10-14 03:21:48,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:48,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:21:48,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824029672] [2020-10-14 03:21:48,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:21:48,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:48,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:21:48,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:21:48,444 INFO L87 Difference]: Start difference. First operand 5002 states and 5754 transitions. Second operand 8 states. [2020-10-14 03:21:50,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:50,421 INFO L93 Difference]: Finished difference Result 11290 states and 13325 transitions. [2020-10-14 03:21:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:21:50,423 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 653 [2020-10-14 03:21:50,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:50,451 INFO L225 Difference]: With dead ends: 11290 [2020-10-14 03:21:50,452 INFO L226 Difference]: Without dead ends: 6660 [2020-10-14 03:21:50,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 03:21:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6660 states. [2020-10-14 03:21:50,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6660 to 6660. [2020-10-14 03:21:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6660 states. [2020-10-14 03:21:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6660 states to 6660 states and 7824 transitions. [2020-10-14 03:21:50,625 INFO L78 Accepts]: Start accepts. Automaton has 6660 states and 7824 transitions. Word has length 653 [2020-10-14 03:21:50,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:50,626 INFO L479 AbstractCegarLoop]: Abstraction has 6660 states and 7824 transitions. [2020-10-14 03:21:50,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:21:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 6660 states and 7824 transitions. [2020-10-14 03:21:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2020-10-14 03:21:50,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:50,639 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:50,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:21:50,640 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:50,640 INFO L82 PathProgramCache]: Analyzing trace with hash -673264875, now seen corresponding path program 1 times [2020-10-14 03:21:50,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:50,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389847110] [2020-10-14 03:21:50,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:50,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:50,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:51,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:55,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:55,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 713 [2020-10-14 03:21:55,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:55,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 03:21:55,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:55,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:55,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:55,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 03:21:55,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:55,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:55,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:55,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:55,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:55,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:55,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:21:55,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:55,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:55,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:55,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:55,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:55,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:55,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:21:55,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:55,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:21:55,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:55,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:55,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:55,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:55,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:21:55,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:55,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 03:21:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:55,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:21:56,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 03:21:56,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:56,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:56,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:21:56,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-14 03:21:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:21:56,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:21:56,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:21:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:56,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2020-10-14 03:21:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:56,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:21:56,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:21:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:56,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-10-14 03:21:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:56,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:21:56,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:56,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 327 proven. 332 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2020-10-14 03:21:56,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389847110] [2020-10-14 03:21:56,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:56,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:56,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898136603] [2020-10-14 03:21:56,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:56,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:56,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:56,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:56,694 INFO L87 Difference]: Start difference. First operand 6660 states and 7824 transitions. Second operand 7 states. [2020-10-14 03:21:58,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:58,207 INFO L93 Difference]: Finished difference Result 13320 states and 15697 transitions. [2020-10-14 03:21:58,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:21:58,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 695 [2020-10-14 03:21:58,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:58,243 INFO L225 Difference]: With dead ends: 13320 [2020-10-14 03:21:58,243 INFO L226 Difference]: Without dead ends: 6842 [2020-10-14 03:21:58,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6842 states. [2020-10-14 03:21:58,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6842 to 6476. [2020-10-14 03:21:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6476 states. [2020-10-14 03:21:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6476 states to 6476 states and 7537 transitions. [2020-10-14 03:21:58,376 INFO L78 Accepts]: Start accepts. Automaton has 6476 states and 7537 transitions. Word has length 695 [2020-10-14 03:21:58,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:58,376 INFO L479 AbstractCegarLoop]: Abstraction has 6476 states and 7537 transitions. [2020-10-14 03:21:58,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 6476 states and 7537 transitions. [2020-10-14 03:21:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2020-10-14 03:21:58,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:58,389 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:58,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:21:58,389 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:58,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:58,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1668227474, now seen corresponding path program 1 times [2020-10-14 03:21:58,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:58,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893285121] [2020-10-14 03:21:58,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:58,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:00,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 801 [2020-10-14 03:22:03,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:03,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 03:22:03,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 03:22:03,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:03,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:03,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:03,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:03,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:03,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:03,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:22:03,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:22:03,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:03,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 03:22:03,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 03:22:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:04,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:04,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:04,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:04,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:04,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 03:22:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:04,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 03:22:04,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-10-14 03:22:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:04,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:22:04,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:04,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 464 proven. 332 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2020-10-14 03:22:04,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893285121] [2020-10-14 03:22:04,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:04,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:22:04,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503968792] [2020-10-14 03:22:04,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:22:04,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:04,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:22:04,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:22:04,567 INFO L87 Difference]: Start difference. First operand 6476 states and 7537 transitions. Second operand 8 states. [2020-10-14 03:22:06,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:06,493 INFO L93 Difference]: Finished difference Result 12594 states and 14740 transitions. [2020-10-14 03:22:06,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:22:06,498 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 781 [2020-10-14 03:22:06,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:06,517 INFO L225 Difference]: With dead ends: 12594 [2020-10-14 03:22:06,517 INFO L226 Difference]: Without dead ends: 6490 [2020-10-14 03:22:06,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 03:22:06,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6490 states. [2020-10-14 03:22:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6490 to 5942. [2020-10-14 03:22:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5942 states. [2020-10-14 03:22:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 6658 transitions. [2020-10-14 03:22:06,629 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 6658 transitions. Word has length 781 [2020-10-14 03:22:06,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:06,630 INFO L479 AbstractCegarLoop]: Abstraction has 5942 states and 6658 transitions. [2020-10-14 03:22:06,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:22:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 6658 transitions. [2020-10-14 03:22:06,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2020-10-14 03:22:06,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:06,643 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:06,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:22:06,644 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:06,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1326302619, now seen corresponding path program 2 times [2020-10-14 03:22:06,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:06,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198393454] [2020-10-14 03:22:06,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:06,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:07,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 913 [2020-10-14 03:22:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 03:22:11,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 03:22:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:11,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:11,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:11,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:11,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:11,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:11,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:11,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:11,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:11,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:22:11,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 03:22:11,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 03:22:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:12,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 03:22:12,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:12,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 03:22:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:12,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 03:22:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:12,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:22:12,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:12,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 03:22:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:12,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:22:12,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:12,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2308 backedges. 625 proven. 332 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2020-10-14 03:22:12,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198393454] [2020-10-14 03:22:12,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:12,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:12,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005722431] [2020-10-14 03:22:12,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:12,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:12,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:12,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:12,790 INFO L87 Difference]: Start difference. First operand 5942 states and 6658 transitions. Second operand 7 states. [2020-10-14 03:22:14,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:14,087 INFO L93 Difference]: Finished difference Result 12062 states and 13542 transitions. [2020-10-14 03:22:14,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:14,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 891 [2020-10-14 03:22:14,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:14,103 INFO L225 Difference]: With dead ends: 12062 [2020-10-14 03:22:14,104 INFO L226 Difference]: Without dead ends: 6492 [2020-10-14 03:22:14,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:22:14,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6492 states. [2020-10-14 03:22:14,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6492 to 6308. [2020-10-14 03:22:14,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6308 states. [2020-10-14 03:22:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6308 states to 6308 states and 7045 transitions. [2020-10-14 03:22:14,227 INFO L78 Accepts]: Start accepts. Automaton has 6308 states and 7045 transitions. Word has length 891 [2020-10-14 03:22:14,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:14,228 INFO L479 AbstractCegarLoop]: Abstraction has 6308 states and 7045 transitions. [2020-10-14 03:22:14,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:14,228 INFO L276 IsEmpty]: Start isEmpty. Operand 6308 states and 7045 transitions. [2020-10-14 03:22:14,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2020-10-14 03:22:14,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:14,248 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:14,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:22:14,248 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:14,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1864330598, now seen corresponding path program 1 times [2020-10-14 03:22:14,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:14,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593376540] [2020-10-14 03:22:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:14,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1003 [2020-10-14 03:22:16,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1835 [2020-10-14 03:22:16,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:22:16,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 03:22:16,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-14 03:22:16,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:16,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:16,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:16,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:16,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:16,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:16,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:16,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:16,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:16,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:16,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:22:16,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:16,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:16,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:16,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:16,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:16,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:16,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:16,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:16,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:22:16,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:16,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:16,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:16,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:16,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:22:16,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:16,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:16,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:22:16,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:16,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:16,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:16,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:22:16,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 03:22:16,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:16,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:16,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:16,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:16,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:16,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-14 03:22:16,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:16,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:22:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:16,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:17,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:17,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:17,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:17,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:17,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 03:22:17,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:17,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:17,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:17,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:17,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:22:17,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2921 backedges. 1470 proven. 6 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2020-10-14 03:22:17,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593376540] [2020-10-14 03:22:17,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:17,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 03:22:17,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830924119] [2020-10-14 03:22:17,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 03:22:17,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:17,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 03:22:17,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:22:17,645 INFO L87 Difference]: Start difference. First operand 6308 states and 7045 transitions. Second operand 9 states. [2020-10-14 03:22:20,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:20,245 INFO L93 Difference]: Finished difference Result 14272 states and 16112 transitions. [2020-10-14 03:22:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 03:22:20,250 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 979 [2020-10-14 03:22:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:20,269 INFO L225 Difference]: With dead ends: 14272 [2020-10-14 03:22:20,269 INFO L226 Difference]: Without dead ends: 8154 [2020-10-14 03:22:20,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 03:22:20,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8154 states. [2020-10-14 03:22:20,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8154 to 7968. [2020-10-14 03:22:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7968 states. [2020-10-14 03:22:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7968 states to 7968 states and 9021 transitions. [2020-10-14 03:22:20,410 INFO L78 Accepts]: Start accepts. Automaton has 7968 states and 9021 transitions. Word has length 979 [2020-10-14 03:22:20,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:20,411 INFO L479 AbstractCegarLoop]: Abstraction has 7968 states and 9021 transitions. [2020-10-14 03:22:20,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 03:22:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 7968 states and 9021 transitions. [2020-10-14 03:22:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1210 [2020-10-14 03:22:20,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:20,437 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:20,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:22:20,438 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:20,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:20,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1396603124, now seen corresponding path program 1 times [2020-10-14 03:22:20,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:20,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589889348] [2020-10-14 03:22:20,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:20,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:21,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:21,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:25,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:25,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1237 [2020-10-14 03:22:25,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:25,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 03:22:25,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:25,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 991 [2020-10-14 03:22:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 03:22:25,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:25,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:25,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:25,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:25,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:25,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:25,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:25,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:25,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:25,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:25,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:25,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:25,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:25,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:25,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:25,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:25,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:25,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:25,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:25,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:26,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:26,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:26,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:26,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:26,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:26,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:26,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:26,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:26,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:26,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:26,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:26,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:26,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:26,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:26,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:26,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:22:26,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:26,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:26,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:26,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:26,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:26,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:22:26,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:26,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:26,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:22:26,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 03:22:26,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:26,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:26,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:22:26,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:26,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:22:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:22:26,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-14 03:22:26,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:22:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:26,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2020-10-14 03:22:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:26,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:22:26,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:26,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:26,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:26,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4720 backedges. 1237 proven. 85 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2020-10-14 03:22:28,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589889348] [2020-10-14 03:22:28,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:28,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:28,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246380219] [2020-10-14 03:22:28,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:28,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:28,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:28,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:28,629 INFO L87 Difference]: Start difference. First operand 7968 states and 9021 transitions. Second operand 7 states. [2020-10-14 03:22:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:30,168 INFO L93 Difference]: Finished difference Result 15754 states and 17870 transitions. [2020-10-14 03:22:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:30,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1209 [2020-10-14 03:22:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:30,193 INFO L225 Difference]: With dead ends: 15754 [2020-10-14 03:22:30,194 INFO L226 Difference]: Without dead ends: 7976 [2020-10-14 03:22:30,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:30,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7976 states. [2020-10-14 03:22:30,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7976 to 7968. [2020-10-14 03:22:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7968 states. [2020-10-14 03:22:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7968 states to 7968 states and 9011 transitions. [2020-10-14 03:22:30,347 INFO L78 Accepts]: Start accepts. Automaton has 7968 states and 9011 transitions. Word has length 1209 [2020-10-14 03:22:30,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:30,348 INFO L479 AbstractCegarLoop]: Abstraction has 7968 states and 9011 transitions. [2020-10-14 03:22:30,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:30,348 INFO L276 IsEmpty]: Start isEmpty. Operand 7968 states and 9011 transitions. [2020-10-14 03:22:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1231 [2020-10-14 03:22:30,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:30,372 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:30,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:22:30,372 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:30,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:30,373 INFO L82 PathProgramCache]: Analyzing trace with hash -183559887, now seen corresponding path program 1 times [2020-10-14 03:22:30,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:30,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994890594] [2020-10-14 03:22:30,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:30,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:31,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:32,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1258 [2020-10-14 03:22:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5093 [2020-10-14 03:22:35,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-14 03:22:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 03:22:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:35,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:35,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:35,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:35,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:35,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:35,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:35,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:36,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:22:36,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:36,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:36,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 03:22:36,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:36,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:22:36,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:36,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:36,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:36,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:22:36,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 03:22:36,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 03:22:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2020-10-14 03:22:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 03:22:36,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 03:22:36,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 03:22:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1108 [2020-10-14 03:22:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:36,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:22:36,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4760 backedges. 1208 proven. 193 refuted. 0 times theorem prover too weak. 3359 trivial. 0 not checked. [2020-10-14 03:22:37,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994890594] [2020-10-14 03:22:37,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:37,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:22:37,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106002067] [2020-10-14 03:22:37,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:22:37,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:37,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:22:37,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:22:37,619 INFO L87 Difference]: Start difference. First operand 7968 states and 9011 transitions. Second operand 8 states. [2020-10-14 03:22:40,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:40,016 INFO L93 Difference]: Finished difference Result 15752 states and 17838 transitions. [2020-10-14 03:22:40,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 03:22:40,017 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1230 [2020-10-14 03:22:40,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:40,032 INFO L225 Difference]: With dead ends: 15752 [2020-10-14 03:22:40,033 INFO L226 Difference]: Without dead ends: 7974 [2020-10-14 03:22:40,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 03:22:40,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7974 states. [2020-10-14 03:22:40,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7974 to 7970. [2020-10-14 03:22:40,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7970 states. [2020-10-14 03:22:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7970 states to 7970 states and 8841 transitions. [2020-10-14 03:22:40,160 INFO L78 Accepts]: Start accepts. Automaton has 7970 states and 8841 transitions. Word has length 1230 [2020-10-14 03:22:40,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:40,161 INFO L479 AbstractCegarLoop]: Abstraction has 7970 states and 8841 transitions. [2020-10-14 03:22:40,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:22:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 7970 states and 8841 transitions. [2020-10-14 03:22:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2020-10-14 03:22:40,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:40,193 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:40,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:22:40,193 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:40,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:40,194 INFO L82 PathProgramCache]: Analyzing trace with hash -912972309, now seen corresponding path program 1 times [2020-10-14 03:22:40,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:40,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116020499] [2020-10-14 03:22:40,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1562 [2020-10-14 03:22:42,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:22:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2032 [2020-10-14 03:22:42,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 03:22:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 03:22:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:42,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:42,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:42,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:42,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:42,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:42,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:42,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:42,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:42,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:42,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:42,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:42,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:22:42,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:42,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:42,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:42,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:42,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:42,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:22:42,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:42,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:42,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:42,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:42,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:42,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:22:42,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:42,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:42,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:42,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:42,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:22:42,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:42,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:42,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:42,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:42,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:42,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:22:42,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:42,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:22:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:22:43,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:43,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:43,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:22:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:43,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:43,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:43,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:22:43,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:43,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:43,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:43,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:43,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:43,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:43,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:43,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:43,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:22:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:43,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:43,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:43,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:22:43,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:22:43,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:43,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:43,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:43,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:43,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:22:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:43,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:43,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:43,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 03:22:43,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 03:22:43,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:43,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:22:43,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:43,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 03:22:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:43,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:43,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:43,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:43,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:43,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:22:43,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:43,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:43,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:22:43,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7182 backedges. 1392 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-14 03:22:44,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116020499] [2020-10-14 03:22:44,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:44,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:44,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224916515] [2020-10-14 03:22:44,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:44,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:44,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:44,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:44,321 INFO L87 Difference]: Start difference. First operand 7970 states and 8841 transitions. Second operand 7 states. [2020-10-14 03:22:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:45,739 INFO L93 Difference]: Finished difference Result 17242 states and 19275 transitions. [2020-10-14 03:22:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:45,741 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1530 [2020-10-14 03:22:45,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:45,755 INFO L225 Difference]: With dead ends: 17242 [2020-10-14 03:22:45,755 INFO L226 Difference]: Without dead ends: 6694 [2020-10-14 03:22:45,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:45,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6694 states. [2020-10-14 03:22:45,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6694 to 6294. [2020-10-14 03:22:45,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6294 states. [2020-10-14 03:22:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6294 states to 6294 states and 6738 transitions. [2020-10-14 03:22:45,861 INFO L78 Accepts]: Start accepts. Automaton has 6294 states and 6738 transitions. Word has length 1530 [2020-10-14 03:22:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:45,862 INFO L479 AbstractCegarLoop]: Abstraction has 6294 states and 6738 transitions. [2020-10-14 03:22:45,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 6294 states and 6738 transitions. [2020-10-14 03:22:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1532 [2020-10-14 03:22:45,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:45,890 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:45,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:22:45,890 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:45,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:45,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1730524922, now seen corresponding path program 1 times [2020-10-14 03:22:45,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:45,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165429311] [2020-10-14 03:22:45,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:46,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:47,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1563 [2020-10-14 03:22:51,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:51,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 03:22:51,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:51,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1317 [2020-10-14 03:22:51,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 03:22:51,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:51,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:51,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:51,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:51,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:22:51,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:51,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:22:51,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:51,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:22:51,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:51,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:51,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:51,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:22:51,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:51,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:22:51,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:22:51,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:22:51,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:22:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:22:51,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:22:51,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:51,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:51,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:22:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:51,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:22:51,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:51,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 03:22:51,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:51,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-14 03:22:51,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:51,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:22:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:22:52,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 03:22:52,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:22:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2020-10-14 03:22:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:52,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:22:52,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7188 backedges. 1547 proven. 85 refuted. 0 times theorem prover too weak. 5556 trivial. 0 not checked. [2020-10-14 03:22:53,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165429311] [2020-10-14 03:22:53,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:53,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:53,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626864549] [2020-10-14 03:22:53,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:53,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:53,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:53,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:53,136 INFO L87 Difference]: Start difference. First operand 6294 states and 6738 transitions. Second operand 7 states. [2020-10-14 03:22:54,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:54,524 INFO L93 Difference]: Finished difference Result 12406 states and 13295 transitions. [2020-10-14 03:22:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:54,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1531 [2020-10-14 03:22:54,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:54,537 INFO L225 Difference]: With dead ends: 12406 [2020-10-14 03:22:54,537 INFO L226 Difference]: Without dead ends: 6302 [2020-10-14 03:22:54,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:54,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6302 states. [2020-10-14 03:22:54,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6302 to 6294. [2020-10-14 03:22:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6294 states. [2020-10-14 03:22:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6294 states to 6294 states and 6716 transitions. [2020-10-14 03:22:54,620 INFO L78 Accepts]: Start accepts. Automaton has 6294 states and 6716 transitions. Word has length 1531 [2020-10-14 03:22:54,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:54,621 INFO L479 AbstractCegarLoop]: Abstraction has 6294 states and 6716 transitions. [2020-10-14 03:22:54,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 6294 states and 6716 transitions. [2020-10-14 03:22:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1692 [2020-10-14 03:22:54,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:54,655 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:54,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 03:22:54,656 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:54,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:54,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1572555947, now seen corresponding path program 1 times [2020-10-14 03:22:54,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:54,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729036070] [2020-10-14 03:22:54,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:55,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:55,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:58,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1725 [2020-10-14 03:23:00,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:23:00,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5199 [2020-10-14 03:23:00,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1497 [2020-10-14 03:23:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 03:23:00,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:00,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:00,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:00,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:00,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:00,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:00,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:00,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:00,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:00,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:00,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:00,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:00,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:00,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:00,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:00,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:00,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:00,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:00,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:00,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:00,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:00,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:23:00,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:01,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 03:23:01,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1475 [2020-10-14 03:23:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:01,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:01,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:01,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:23:01,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:01,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:23:01,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:01,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 03:23:01,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:01,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1569 [2020-10-14 03:23:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:01,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:01,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:01,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:01,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:01,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:23:01,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:01,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:23:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:01,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8550 backedges. 1545 proven. 85 refuted. 0 times theorem prover too weak. 6920 trivial. 0 not checked. [2020-10-14 03:23:02,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729036070] [2020-10-14 03:23:02,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:02,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:02,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823149919] [2020-10-14 03:23:02,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:02,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:02,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:02,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:02,194 INFO L87 Difference]: Start difference. First operand 6294 states and 6716 transitions. Second operand 7 states. [2020-10-14 03:23:03,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:03,578 INFO L93 Difference]: Finished difference Result 12022 states and 12824 transitions. [2020-10-14 03:23:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:23:03,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1691 [2020-10-14 03:23:03,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:03,587 INFO L225 Difference]: With dead ends: 12022 [2020-10-14 03:23:03,587 INFO L226 Difference]: Without dead ends: 4808 [2020-10-14 03:23:03,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:23:03,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2020-10-14 03:23:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 4442. [2020-10-14 03:23:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-14 03:23:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 4587 transitions. [2020-10-14 03:23:03,645 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 4587 transitions. Word has length 1691 [2020-10-14 03:23:03,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:03,646 INFO L479 AbstractCegarLoop]: Abstraction has 4442 states and 4587 transitions. [2020-10-14 03:23:03,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 4587 transitions. [2020-10-14 03:23:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1710 [2020-10-14 03:23:03,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:03,670 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:03,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 03:23:03,670 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:03,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:03,671 INFO L82 PathProgramCache]: Analyzing trace with hash 2016400145, now seen corresponding path program 1 times [2020-10-14 03:23:03,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:03,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006565344] [2020-10-14 03:23:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:06,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1743 [2020-10-14 03:23:08,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:23:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-14 03:23:08,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1497 [2020-10-14 03:23:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 03:23:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:09,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:09,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:09,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:09,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:09,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:09,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:09,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:09,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:09,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:09,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:09,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:09,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:09,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:09,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:09,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:09,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:09,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:09,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:09,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:23:09,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:09,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:23:09,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:09,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:09,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:09,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:09,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 03:23:09,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 03:23:09,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:09,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:09,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:09,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:09,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 03:23:09,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1475 [2020-10-14 03:23:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:23:10,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 03:23:10,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:10,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:10,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:23:10,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1587 [2020-10-14 03:23:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:10,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:10,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:23:10,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 8707 backedges. 1702 proven. 85 refuted. 0 times theorem prover too weak. 6920 trivial. 0 not checked. [2020-10-14 03:23:11,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006565344] [2020-10-14 03:23:11,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:11,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:11,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976747305] [2020-10-14 03:23:11,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:11,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:11,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:11,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:11,387 INFO L87 Difference]: Start difference. First operand 4442 states and 4587 transitions. Second operand 7 states. [2020-10-14 03:23:12,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:12,817 INFO L93 Difference]: Finished difference Result 7034 states and 7285 transitions. [2020-10-14 03:23:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:23:12,818 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1709 [2020-10-14 03:23:12,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:12,823 INFO L225 Difference]: With dead ends: 7034 [2020-10-14 03:23:12,823 INFO L226 Difference]: Without dead ends: 3888 [2020-10-14 03:23:12,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:23:12,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3888 states. [2020-10-14 03:23:12,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3888 to 3886. [2020-10-14 03:23:12,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3886 states. [2020-10-14 03:23:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3886 states and 3996 transitions. [2020-10-14 03:23:12,874 INFO L78 Accepts]: Start accepts. Automaton has 3886 states and 3996 transitions. Word has length 1709 [2020-10-14 03:23:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:12,875 INFO L479 AbstractCegarLoop]: Abstraction has 3886 states and 3996 transitions. [2020-10-14 03:23:12,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 3996 transitions. [2020-10-14 03:23:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1772 [2020-10-14 03:23:12,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:12,896 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:12,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 03:23:12,897 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:12,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:12,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1427742966, now seen corresponding path program 1 times [2020-10-14 03:23:12,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:12,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677341688] [2020-10-14 03:23:12,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:13,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1807 [2020-10-14 03:23:18,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:23:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-10-14 03:23:18,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:18,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1561 [2020-10-14 03:23:18,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 03:23:18,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:18,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:23:18,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:18,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:18,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:18,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:18,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:18,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:18,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:18,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:18,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:23:18,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:18,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:18,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:18,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:23:18,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:18,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:23:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:18,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:18,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:18,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:18,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:18,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:18,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:23:18,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:18,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:19,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:19,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:19,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:19,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:23:19,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:23:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:23:19,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 03:23:19,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:19,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:19,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:23:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1649 [2020-10-14 03:23:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:19,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:19,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:23:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 9944 backedges. 1857 proven. 85 refuted. 0 times theorem prover too weak. 8002 trivial. 0 not checked. [2020-10-14 03:23:20,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677341688] [2020-10-14 03:23:20,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:20,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:20,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312960479] [2020-10-14 03:23:20,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:20,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:20,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:20,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:20,892 INFO L87 Difference]: Start difference. First operand 3886 states and 3996 transitions. Second operand 7 states. [2020-10-14 03:23:22,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:22,258 INFO L93 Difference]: Finished difference Result 5922 states and 6103 transitions. [2020-10-14 03:23:22,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:23:22,259 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1771 [2020-10-14 03:23:22,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:22,269 INFO L225 Difference]: With dead ends: 5922 [2020-10-14 03:23:22,269 INFO L226 Difference]: Without dead ends: 3888 [2020-10-14 03:23:22,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:23:22,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3888 states. [2020-10-14 03:23:22,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3888 to 3884. [2020-10-14 03:23:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3884 states. [2020-10-14 03:23:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3884 states and 3988 transitions. [2020-10-14 03:23:22,326 INFO L78 Accepts]: Start accepts. Automaton has 3884 states and 3988 transitions. Word has length 1771 [2020-10-14 03:23:22,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:22,328 INFO L479 AbstractCegarLoop]: Abstraction has 3884 states and 3988 transitions. [2020-10-14 03:23:22,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:22,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 3988 transitions. [2020-10-14 03:23:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1785 [2020-10-14 03:23:22,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:22,360 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:22,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 03:23:22,361 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:22,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:22,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1282306667, now seen corresponding path program 1 times [2020-10-14 03:23:22,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:22,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815461686] [2020-10-14 03:23:22,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:22,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:24,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:27,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:27,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1820 [2020-10-14 03:23:27,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:23:27,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5099 [2020-10-14 03:23:27,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:27,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:23:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1688 [2020-10-14 03:23:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:23:27,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:28,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:23:28,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:28,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:28,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:28,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:28,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:28,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:28,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:23:28,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:28,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:28,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:28,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:28,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:28,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:23:28,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:28,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:23:28,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:28,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:28,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:28,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:23:28,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:28,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:28,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:28,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:28,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:23:28,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:23:28,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:23:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 03:23:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:29,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:29,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:29,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:29,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 03:23:29,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:29,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:23:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:23:29,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10021 backedges. 1595 proven. 49 refuted. 0 times theorem prover too weak. 8377 trivial. 0 not checked. [2020-10-14 03:23:30,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815461686] [2020-10-14 03:23:30,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:30,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:23:30,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505370157] [2020-10-14 03:23:30,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:23:30,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:30,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:23:30,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:23:30,276 INFO L87 Difference]: Start difference. First operand 3884 states and 3988 transitions. Second operand 8 states. [2020-10-14 03:23:32,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:32,110 INFO L93 Difference]: Finished difference Result 4810 states and 4964 transitions. [2020-10-14 03:23:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:23:32,113 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1784 [2020-10-14 03:23:32,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:32,120 INFO L225 Difference]: With dead ends: 4810 [2020-10-14 03:23:32,120 INFO L226 Difference]: Without dead ends: 4624 [2020-10-14 03:23:32,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:23:32,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2020-10-14 03:23:32,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4436. [2020-10-14 03:23:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4436 states. [2020-10-14 03:23:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4436 states to 4436 states and 4575 transitions. [2020-10-14 03:23:32,174 INFO L78 Accepts]: Start accepts. Automaton has 4436 states and 4575 transitions. Word has length 1784 [2020-10-14 03:23:32,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:32,175 INFO L479 AbstractCegarLoop]: Abstraction has 4436 states and 4575 transitions. [2020-10-14 03:23:32,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:23:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4436 states and 4575 transitions. [2020-10-14 03:23:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2095 [2020-10-14 03:23:32,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:32,203 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:32,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 03:23:32,203 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:32,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:32,204 INFO L82 PathProgramCache]: Analyzing trace with hash 747646653, now seen corresponding path program 1 times [2020-10-14 03:23:32,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:32,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144325333] [2020-10-14 03:23:32,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:37,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:37,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:37,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2134 [2020-10-14 03:23:37,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:23:37,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5238 [2020-10-14 03:23:37,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:37,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:23:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2002 [2020-10-14 03:23:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:23:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:38,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:38,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:38,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:38,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:23:38,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:38,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:38,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:38,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:38,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:38,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:38,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:38,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:38,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:38,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:38,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:38,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:38,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:38,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:38,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:38,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:38,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:38,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:38,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:23:38,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:38,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 03:23:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 03:23:38,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:38,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1842 [2020-10-14 03:23:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:23:38,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:23:38,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 03:23:38,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1972 [2020-10-14 03:23:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:38,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 03:23:38,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:23:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:23:38,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 13545 backedges. 1843 proven. 51 refuted. 0 times theorem prover too weak. 11651 trivial. 0 not checked. [2020-10-14 03:23:40,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144325333] [2020-10-14 03:23:40,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:40,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:23:40,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752088305] [2020-10-14 03:23:40,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:23:40,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:40,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:23:40,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:23:40,588 INFO L87 Difference]: Start difference. First operand 4436 states and 4575 transitions. Second operand 8 states. [2020-10-14 03:23:41,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:41,976 INFO L93 Difference]: Finished difference Result 4442 states and 4583 transitions. [2020-10-14 03:23:41,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:23:41,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 2094 [2020-10-14 03:23:41,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:41,978 INFO L225 Difference]: With dead ends: 4442 [2020-10-14 03:23:41,978 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:23:41,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:23:41,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:23:41,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:23:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:23:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:23:41,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2094 [2020-10-14 03:23:41,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:41,984 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:23:41,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:23:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:23:41,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:23:41,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 03:23:41,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:23:43,665 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 335 DAG size of output: 259 [2020-10-14 03:23:44,349 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 259 [2020-10-14 03:23:46,470 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 302 DAG size of output: 117 [2020-10-14 03:23:48,042 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 257 DAG size of output: 91 [2020-10-14 03:23:49,560 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 257 DAG size of output: 91 [2020-10-14 03:23:49,565 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:23:49,566 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:23:49,566 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:23:49,566 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:23:49,566 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:23:49,566 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,567 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,567 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,567 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:23:49,567 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:23:49,567 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:23:49,567 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:23:49,567 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:23:49,568 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:23:49,569 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:23:49,569 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:23:49,569 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:23:49,569 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:23:49,569 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:23:49,569 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,570 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,570 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,570 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:23:49,570 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:23:49,570 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:23:49,570 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:23:49,570 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:23:49,571 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:23:49,571 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:23:49,571 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:23:49,571 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:23:49,573 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,573 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,574 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:23:49,575 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,576 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,576 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,576 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,576 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:23:49,576 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:23:49,577 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:23:49,577 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:23:49,577 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:23:49,578 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:23:49,579 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:23:49,580 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:23:49,580 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:23:49,580 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:23:49,582 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse8 (= ~a15~0 |old(~a15~0)|)) (.cse12 (= 10 |old(~a21~0)|)) (.cse11 (= ~a15~0 8)) (.cse13 (= ~a24~0 |old(~a24~0)|)) (.cse26 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a12~0 |old(~a12~0)|)) (.cse19 (= 6 |old(~a21~0)|))) (let ((.cse3 (not (<= |old(~a12~0)| 586307))) (.cse5 (= ~a21~0 6)) (.cse9 (not .cse19)) (.cse18 (= 7 |old(~a21~0)|)) (.cse2 (not (<= 9 |old(~a15~0)|))) (.cse14 (not (<= |old(~a12~0)| 73282))) (.cse21 (not (<= |old(~a21~0)| 6))) (.cse0 (and (= 7 ~a15~0) .cse13 .cse26 .cse7)) (.cse1 (not (= 7 |old(~a15~0)|))) (.cse10 (not (= 8 |old(~a15~0)|))) (.cse15 (and .cse13 .cse26 .cse11 .cse7)) (.cse24 (not (<= |old(~a24~0)| 1))) (.cse16 (not (<= |old(~a15~0)| 6))) (.cse20 (not (<= |old(~a12~0)| 76))) (.cse4 (not (= |old(~a24~0)| 1))) (.cse6 (= ~a24~0 1)) (.cse23 (not .cse12)) (.cse17 (and .cse13 .cse26 .cse7 .cse8)) (.cse25 (not (<= 80 |old(~a12~0)|))) (.cse22 (not (<= |old(~a12~0)| 599999)))) (and (or .cse0 .cse1 (not (<= (+ |old(~a12~0)| 397560) 0))) (or .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8) .cse9) (or .cse3 .cse4 .cse10 (and .cse11 .cse5 .cse6 .cse7) .cse9) (or .cse12 .cse0 .cse1) (or .cse10 (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (and (<= ~a21~0 7) (<= 7 ~a21~0) .cse13 .cse11 .cse7) (not (<= |old(~a12~0)| 2))) (or (not (<= 8 |old(~a21~0)|)) .cse14 .cse10 .cse15 (not (<= |old(~a21~0)| 8))) (or .cse12 .cse16 .cse17 .cse18 .cse19) (or .cse10 .cse15 .cse18 .cse20 .cse19) (or .cse16 .cse17 .cse21 (not (<= (+ |old(~a12~0)| 49) 0))) (or .cse2 .cse12 .cse17 .cse22 .cse19) (or .cse23 .cse17 (not (= 9 |old(~a15~0)|)) (not (<= |old(~a12~0)| 11))) (or .cse24 .cse16 .cse17 .cse14 .cse21) (or .cse23 .cse25 .cse0 .cse1) (or .cse23 .cse10 .cse15) (or .cse23 .cse24 .cse16 .cse17 .cse20) (or .cse4 (and .cse26 .cse6 .cse7 .cse8) (not (= 5 |old(~a15~0)|))) (or .cse23 .cse17 .cse25 .cse22)))) [2020-10-14 03:23:49,582 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:23:49,582 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:23:49,582 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,582 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,582 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,582 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,583 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,584 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,585 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,586 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,587 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,588 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,589 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,590 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:23:49,591 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,592 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,593 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:23:49,594 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:23:49,595 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (<= (+ ~a12~0 49) 0) (= ~a15~0 8)) [2020-10-14 03:23:49,595 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:23:49,595 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:23:49,596 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-14 03:23:49,596 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:23:49,596 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse9 (= ~a21~0 6)) (.cse0 (= ~a21~0 10))) (let ((.cse4 (<= ~a12~0 599999)) (.cse8 (<= ~a12~0 586307)) (.cse10 (= ~a24~0 1)) (.cse2 (<= 9 ~a15~0)) (.cse5 (<= 80 ~a12~0)) (.cse6 (= ~a15~0 8)) (.cse13 (= 7 ~a15~0)) (.cse1 (not .cse0)) (.cse15 (<= ~a12~0 73282)) (.cse14 (<= ~a21~0 6)) (.cse16 (<= ~a24~0 1)) (.cse12 (<= ~a15~0 6)) (.cse11 (not (= 7 ~a21~0))) (.cse7 (<= ~a24~0 |old(~a24~0)|)) (.cse3 (not .cse9)) (.cse17 (<= ~a12~0 76))) (or (and .cse0 (<= ~a12~0 11) (= ~a15~0 9)) (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse4) (not (= 8 |old(~a15~0)|)) (and (<= 7 ~a21~0) .cse6 (<= ~a12~0 2) .cse7) (not (<= |old(~a21~0)| 7)) (and .cse6 .cse8 .cse9 .cse10 .cse7) (and .cse0 .cse6 .cse7) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= 5 ~a15~0) .cse10) (and .cse1 .cse11 .cse3 .cse12) (and .cse13 .cse5) (and .cse8 .cse10 .cse2 .cse14) (and .cse5 .cse0 .cse6) (and .cse13 (<= (+ ~a12~0 397560) 0)) (not (<= 7 |old(~a21~0)|)) (and .cse13 .cse1) (and (<= 8 ~a21~0) .cse7 .cse15 (<= ~a21~0 8)) (and (<= (+ ~a12~0 49) 0) .cse14 .cse12) (and .cse16 .cse15 .cse14 .cse12) (and .cse16 .cse0 .cse12 .cse17) (and .cse11 .cse7 .cse3 (= ~a15~0 |old(~a15~0)|) .cse17)))) [2020-10-14 03:23:49,596 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:23:49,596 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:23:49,597 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse9 (= ~a21~0 6)) (.cse0 (= ~a21~0 10))) (let ((.cse4 (<= ~a12~0 599999)) (.cse8 (<= ~a12~0 586307)) (.cse10 (= ~a24~0 1)) (.cse2 (<= 9 ~a15~0)) (.cse5 (<= 80 ~a12~0)) (.cse6 (= ~a15~0 8)) (.cse13 (= 7 ~a15~0)) (.cse1 (not .cse0)) (.cse15 (<= ~a12~0 73282)) (.cse14 (<= ~a21~0 6)) (.cse16 (<= ~a24~0 1)) (.cse12 (<= ~a15~0 6)) (.cse11 (not (= 7 ~a21~0))) (.cse7 (<= ~a24~0 |old(~a24~0)|)) (.cse3 (not .cse9)) (.cse17 (<= ~a12~0 76))) (or (and .cse0 (<= ~a12~0 11) (= ~a15~0 9)) (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse4) (not (= 8 |old(~a15~0)|)) (and (<= 7 ~a21~0) .cse6 (<= ~a12~0 2) .cse7) (not (<= |old(~a21~0)| 7)) (and .cse6 .cse8 .cse9 .cse10 .cse7) (and .cse0 .cse6 .cse7) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= 5 ~a15~0) .cse10) (and .cse1 .cse11 .cse3 .cse12) (and .cse13 .cse5) (and .cse8 .cse10 .cse2 .cse14) (and .cse5 .cse0 .cse6) (and .cse13 (<= (+ ~a12~0 397560) 0)) (not (<= 7 |old(~a21~0)|)) (and .cse13 .cse1) (and (<= 8 ~a21~0) .cse7 .cse15 (<= ~a21~0 8)) (and (<= (+ ~a12~0 49) 0) .cse14 .cse12) (and .cse16 .cse15 .cse14 .cse12) (and .cse16 .cse0 .cse12 .cse17) (and .cse11 .cse7 .cse3 (= ~a15~0 |old(~a15~0)|) .cse17)))) [2020-10-14 03:23:49,597 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:23:49,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:23:49 BoogieIcfgContainer [2020-10-14 03:23:49,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:23:49,624 INFO L168 Benchmark]: Toolchain (without parser) took 184924.92 ms. Allocated memory was 148.9 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 103.2 MB in the beginning and 498.1 MB in the end (delta: -395.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-10-14 03:23:49,624 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 03:23:49,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.00 ms. Allocated memory was 148.9 MB in the beginning and 208.7 MB in the end (delta: 59.8 MB). Free memory was 102.7 MB in the beginning and 171.5 MB in the end (delta: -68.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-10-14 03:23:49,626 INFO L168 Benchmark]: Boogie Preprocessor took 151.35 ms. Allocated memory is still 208.7 MB. Free memory was 171.5 MB in the beginning and 165.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-10-14 03:23:49,626 INFO L168 Benchmark]: RCFGBuilder took 1587.83 ms. Allocated memory was 208.7 MB in the beginning and 235.9 MB in the end (delta: 27.3 MB). Free memory was 165.4 MB in the beginning and 149.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2020-10-14 03:23:49,627 INFO L168 Benchmark]: TraceAbstraction took 182281.72 ms. Allocated memory was 235.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 149.4 MB in the beginning and 498.1 MB in the end (delta: -348.8 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-14 03:23:49,630 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 899.00 ms. Allocated memory was 148.9 MB in the beginning and 208.7 MB in the end (delta: 59.8 MB). Free memory was 102.7 MB in the beginning and 171.5 MB in the end (delta: -68.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.35 ms. Allocated memory is still 208.7 MB. Free memory was 171.5 MB in the beginning and 165.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1587.83 ms. Allocated memory was 208.7 MB in the beginning and 235.9 MB in the end (delta: 27.3 MB). Free memory was 165.4 MB in the beginning and 149.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 182281.72 ms. Allocated memory was 235.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 149.4 MB in the beginning and 498.1 MB in the end (delta: -348.8 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a21 == 10 && a12 <= 11) && a15 == 9) || (((!(a21 == 10) && 9 <= a15) && !(a21 == 6)) && a12 <= 599999)) || ((80 <= a12 && a21 == 10) && a12 <= 599999)) || !(8 == \old(a15))) || (((7 <= a21 && a15 == 8) && a12 <= 2) && a24 <= \old(a24))) || !(\old(a21) <= 7)) || ((((a15 == 8 && a12 <= 586307) && a21 == 6) && a24 == 1) && a24 <= \old(a24))) || ((a21 == 10 && a15 == 8) && a24 <= \old(a24))) || !(\old(a12) + 49 <= 0)) || (5 == a15 && a24 == 1)) || (((!(a21 == 10) && !(7 == a21)) && !(a21 == 6)) && a15 <= 6)) || (7 == a15 && 80 <= a12)) || (((a12 <= 586307 && a24 == 1) && 9 <= a15) && a21 <= 6)) || ((80 <= a12 && a21 == 10) && a15 == 8)) || (7 == a15 && a12 + 397560 <= 0)) || !(7 <= \old(a21))) || (7 == a15 && !(a21 == 10))) || (((8 <= a21 && a24 <= \old(a24)) && a12 <= 73282) && a21 <= 8)) || ((a12 + 49 <= 0 && a21 <= 6) && a15 <= 6)) || (((a24 <= 1 && a12 <= 73282) && a21 <= 6) && a15 <= 6)) || (((a24 <= 1 && a21 == 10) && a15 <= 6) && a12 <= 76)) || ((((!(7 == a21) && a24 <= \old(a24)) && !(a21 == 6)) && a15 == \old(a15)) && a12 <= 76) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 174.5s, OverallIterations: 23, TraceHistogramMax: 17, AutomataDifference: 41.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 693 SDtfs, 13730 SDslu, 973 SDs, 0 SdLazy, 26990 SolverSat, 2344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 695 GetRequests, 468 SyntacticMatches, 4 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7970occurred in iteration=16, 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, 23 MinimizatonAttempts, 2814 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 504 PreInvPairs, 620 NumberOfFragments, 1008 HoareAnnotationTreeSize, 504 FomulaSimplifications, 3340776 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 46022 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 113.9s InterpolantComputationTime, 21070 NumberOfCodeBlocks, 21070 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 21047 ConstructedInterpolants, 0 QuantifiedInterpolants, 44643847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 1 PerfectInterpolantSequences, 83567/85945 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...