/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=NARROWEST --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_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:52:51,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:52:51,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:52:51,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:52:51,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:52:51,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:52:51,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:52:51,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:52:51,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:52:51,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:52:51,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:52:51,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:52:51,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:52:51,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:52:51,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:52:51,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:52:51,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:52:51,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:52:51,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:52:51,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:52:51,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:52:51,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:52:51,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:52:51,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:52:51,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:52:51,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:52:51,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:52:51,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:52:51,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:52:51,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:52:51,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:52:51,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:52:51,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:52:51,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:52:51,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:52:51,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:52:51,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:52:51,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:52:51,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:52:51,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:52:51,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:52:51,442 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 [2020-10-13 08:52:51,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:52:51,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:52:51,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:52:51,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:52:51,486 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:52:51,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:52:51,487 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:52:51,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:52:51,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:52:51,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:52:51,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:52:51,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:52:51,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:52:51,489 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:52:51,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:52:51,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:52:51,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:52:51,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:52:51,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:52:51,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:52:51,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:52:51,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:52:51,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:52:51,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:52:51,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:52:51,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:52:51,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:52:51,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:52:51,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:52:51,492 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:52:51,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:52:51,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:52:51,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:52:51,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:52:51,836 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:52:51,837 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label42.c [2020-10-13 08:52:51,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d362df993/145e84b989e64ff293d81b83a22323c1/FLAGede8fbbb1 [2020-10-13 08:52:52,453 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:52:52,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label42.c [2020-10-13 08:52:52,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d362df993/145e84b989e64ff293d81b83a22323c1/FLAGede8fbbb1 [2020-10-13 08:52:52,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d362df993/145e84b989e64ff293d81b83a22323c1 [2020-10-13 08:52:52,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:52:52,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:52:52,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:52:52,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:52:52,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:52:52,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:52:52" (1/1) ... [2020-10-13 08:52:52,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad15a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:52, skipping insertion in model container [2020-10-13 08:52:52,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:52:52" (1/1) ... [2020-10-13 08:52:52,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:52:52,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:52:53,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:52:53,305 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:52:53,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:52:53,611 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:52:53,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53 WrapperNode [2020-10-13 08:52:53,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:52:53,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:52:53,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:52:53,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:52:53,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (1/1) ... [2020-10-13 08:52:53,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (1/1) ... [2020-10-13 08:52:53,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (1/1) ... [2020-10-13 08:52:53,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (1/1) ... [2020-10-13 08:52:53,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (1/1) ... [2020-10-13 08:52:53,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (1/1) ... [2020-10-13 08:52:53,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (1/1) ... [2020-10-13 08:52:53,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:52:53,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:52:53,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:52:53,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:52:53,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (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 [2020-10-13 08:52:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:52:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:52:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:52:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:52:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:52:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:52:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:52:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:52:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:52:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:52:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:52:55,266 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:52:55,266 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:52:55,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:52:55 BoogieIcfgContainer [2020-10-13 08:52:55,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:52:55,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:52:55,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:52:55,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:52:55,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:52:52" (1/3) ... [2020-10-13 08:52:55,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a88e79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:52:55, skipping insertion in model container [2020-10-13 08:52:55,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:52:53" (2/3) ... [2020-10-13 08:52:55,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a88e79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:52:55, skipping insertion in model container [2020-10-13 08:52:55,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:52:55" (3/3) ... [2020-10-13 08:52:55,281 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label42.c [2020-10-13 08:52:55,293 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:52:55,301 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:52:55,317 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:52:55,344 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:52:55,344 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:52:55,344 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:52:55,345 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:52:55,345 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:52:55,345 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:52:55,345 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:52:55,345 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:52:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:52:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 08:52:55,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:55,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:52:55,380 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:55,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:55,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1174892051, now seen corresponding path program 1 times [2020-10-13 08:52:55,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:55,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738847150] [2020-10-13 08:52:55,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:55,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:56,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:56,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 08:52:56,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-13 08:52:56,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:56,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:52:56,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:52:56,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:52:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:52:56,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:56,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:56,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:56,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:56,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:56,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 08:52:56,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:52:56,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:52:56,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738847150] [2020-10-13 08:52:56,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:52:56,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:52:56,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137984472] [2020-10-13 08:52:56,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:52:56,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:56,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:52:56,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:52:56,198 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-13 08:52:57,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:57,929 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-13 08:52:57,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:57,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-13 08:52:57,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:57,959 INFO L225 Difference]: With dead ends: 698 [2020-10-13 08:52:57,959 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:52:57,971 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 [2020-10-13 08:52:57,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:52:58,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:52:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:52:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-13 08:52:58,054 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 48 [2020-10-13 08:52:58,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:58,055 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-13 08:52:58,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:52:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-13 08:52:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-13 08:52:58,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:58,062 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:52:58,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:52:58,063 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:58,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:58,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1760405091, now seen corresponding path program 1 times [2020-10-13 08:52:58,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:58,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138614783] [2020-10-13 08:52:58,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:58,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:58,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:59,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:59,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:52:59,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:52:59,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1229 [2020-10-13 08:52:59,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:52:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:52:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:59,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:59,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:59,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:59,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:52:59,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:59,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:59,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:59,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:59,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:59,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:59,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:59,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:52:59,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 08:52:59,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:52:59,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:52:59,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138614783] [2020-10-13 08:52:59,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:59,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:59,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286541668] [2020-10-13 08:52:59,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:59,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:59,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:59,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:59,628 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-13 08:53:00,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:00,840 INFO L93 Difference]: Finished difference Result 783 states and 1143 transitions. [2020-10-13 08:53:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:53:00,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-13 08:53:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:00,845 INFO L225 Difference]: With dead ends: 783 [2020-10-13 08:53:00,845 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:53:00,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:53:00,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:53:00,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:53:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:53:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 506 transitions. [2020-10-13 08:53:00,877 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 506 transitions. Word has length 117 [2020-10-13 08:53:00,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:00,878 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 506 transitions. [2020-10-13 08:53:00,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:53:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 506 transitions. [2020-10-13 08:53:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 08:53:00,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:00,883 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, 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] [2020-10-13 08:53:00,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:53:00,883 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:00,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:00,884 INFO L82 PathProgramCache]: Analyzing trace with hash 605463765, now seen corresponding path program 1 times [2020-10-13 08:53:00,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:00,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285007128] [2020-10-13 08:53:00,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:00,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:01,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:01,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:01,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 08:53:01,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:53:01,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-13 08:53:01,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:53:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:53:01,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:01,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:01,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:01,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:01,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:53:01,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:01,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:01,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:01,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:01,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:01,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:53:01,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:01,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 08:53:01,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:01,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:01,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:01,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:53:01,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:53:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:53:01,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285007128] [2020-10-13 08:53:01,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:01,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:53:01,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137851798] [2020-10-13 08:53:01,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:53:01,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:01,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:53:01,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:53:01,651 INFO L87 Difference]: Start difference. First operand 376 states and 506 transitions. Second operand 6 states. [2020-10-13 08:53:03,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:03,783 INFO L93 Difference]: Finished difference Result 1118 states and 1570 transitions. [2020-10-13 08:53:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:53:03,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2020-10-13 08:53:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:03,789 INFO L225 Difference]: With dead ends: 1118 [2020-10-13 08:53:03,789 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:53:03,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:53:03,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:53:03,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:53:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:53:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 976 transitions. [2020-10-13 08:53:03,829 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 976 transitions. Word has length 121 [2020-10-13 08:53:03,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:03,830 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 976 transitions. [2020-10-13 08:53:03,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:53:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 976 transitions. [2020-10-13 08:53:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-13 08:53:03,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:03,837 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:53:03,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:53:03,838 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:03,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:03,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1725771655, now seen corresponding path program 1 times [2020-10-13 08:53:03,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:03,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734146683] [2020-10-13 08:53:03,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:03,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:03,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:04,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:04,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:07,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:08,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:08,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-13 08:53:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:53:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 08:53:08,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 08:53:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:53:08,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:09,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:09,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:09,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:09,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:09,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:53:09,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:09,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:09,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:09,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:09,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:09,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:53:09,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:09,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:53:09,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:09,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:53:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:09,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:09,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:09,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 08:53:09,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:09,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:53:09,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 08:53:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 08:53:09,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734146683] [2020-10-13 08:53:09,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:09,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:53:09,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437975447] [2020-10-13 08:53:09,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:53:09,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:09,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:53:09,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:53:09,267 INFO L87 Difference]: Start difference. First operand 744 states and 976 transitions. Second operand 5 states. [2020-10-13 08:53:10,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:10,265 INFO L93 Difference]: Finished difference Result 1499 states and 1974 transitions. [2020-10-13 08:53:10,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:53:10,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-10-13 08:53:10,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:10,272 INFO L225 Difference]: With dead ends: 1499 [2020-10-13 08:53:10,272 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:53:10,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:53:10,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:53:10,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:53:10,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:53:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 972 transitions. [2020-10-13 08:53:10,312 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 972 transitions. Word has length 216 [2020-10-13 08:53:10,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:10,315 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 972 transitions. [2020-10-13 08:53:10,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:53:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 972 transitions. [2020-10-13 08:53:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-13 08:53:10,331 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:10,332 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:53:10,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:53:10,332 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:10,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:10,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1376793310, now seen corresponding path program 1 times [2020-10-13 08:53:10,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:10,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875618575] [2020-10-13 08:53:10,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:10,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:10,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:10,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:10,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:10,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:15,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:15,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-13 08:53:15,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:53:15,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 08:53:15,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 08:53:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:53:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:53:15,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:15,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:15,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:15,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:15,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:53:15,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:15,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:15,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:15,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:15,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:53:15,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:53:15,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:15,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:15,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:53:15,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:53:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:15,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:15,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:15,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:53:15,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:15,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 08:53:15,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:53:15,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:15,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 08:53:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:15,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:15,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:15,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:15,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:53:15,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:53:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-13 08:53:15,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:15,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:15,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:53:15,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 08:53:15,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:53:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-13 08:53:16,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875618575] [2020-10-13 08:53:16,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:16,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:53:16,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651813952] [2020-10-13 08:53:16,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:53:16,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:16,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:53:16,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:53:16,093 INFO L87 Difference]: Start difference. First operand 744 states and 972 transitions. Second operand 7 states. [2020-10-13 08:53:17,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:17,411 INFO L93 Difference]: Finished difference Result 1512 states and 1989 transitions. [2020-10-13 08:53:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:53:17,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 290 [2020-10-13 08:53:17,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:17,416 INFO L225 Difference]: With dead ends: 1512 [2020-10-13 08:53:17,416 INFO L226 Difference]: Without dead ends: 762 [2020-10-13 08:53:17,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:53:17,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-10-13 08:53:17,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 748. [2020-10-13 08:53:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-13 08:53:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 974 transitions. [2020-10-13 08:53:17,447 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 974 transitions. Word has length 290 [2020-10-13 08:53:17,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:17,448 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 974 transitions. [2020-10-13 08:53:17,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:53:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 974 transitions. [2020-10-13 08:53:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-13 08:53:17,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:17,454 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:53:17,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:53:17,455 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:17,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:17,455 INFO L82 PathProgramCache]: Analyzing trace with hash -912621852, now seen corresponding path program 1 times [2020-10-13 08:53:17,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:17,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330191673] [2020-10-13 08:53:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:17,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:17,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:18,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:21,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:21,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-13 08:53:21,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:53:21,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3780 [2020-10-13 08:53:21,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-13 08:53:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:53:21,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:21,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:21,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:21,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:21,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:21,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:53:21,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:21,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:21,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:21,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:21,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:53:21,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:21,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 08:53:21,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:21,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:21,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:53:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:21,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:21,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:21,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:53:21,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:21,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 08:53:21,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:53:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:53:21,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330191673] [2020-10-13 08:53:21,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:21,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:53:21,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436241591] [2020-10-13 08:53:21,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:53:21,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:21,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:53:21,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:53:21,737 INFO L87 Difference]: Start difference. First operand 748 states and 974 transitions. Second operand 5 states. [2020-10-13 08:53:23,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:23,463 INFO L93 Difference]: Finished difference Result 2232 states and 2947 transitions. [2020-10-13 08:53:23,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:53:23,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2020-10-13 08:53:23,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:23,476 INFO L225 Difference]: With dead ends: 2232 [2020-10-13 08:53:23,476 INFO L226 Difference]: Without dead ends: 1490 [2020-10-13 08:53:23,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:53:23,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-10-13 08:53:23,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1118. [2020-10-13 08:53:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-10-13 08:53:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1413 transitions. [2020-10-13 08:53:23,522 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1413 transitions. Word has length 313 [2020-10-13 08:53:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:23,523 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1413 transitions. [2020-10-13 08:53:23,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:53:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1413 transitions. [2020-10-13 08:53:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-13 08:53:23,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:23,531 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:53:23,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:53:23,532 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:23,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:23,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1445181455, now seen corresponding path program 1 times [2020-10-13 08:53:23,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:23,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426503960] [2020-10-13 08:53:23,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:23,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:24,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:25,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:27,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:27,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-13 08:53:27,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:53:27,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3430 [2020-10-13 08:53:27,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:27,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:27,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 292 [2020-10-13 08:53:27,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:53:27,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:27,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:27,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:27,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:27,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:27,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:27,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:53:27,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:27,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:27,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:27,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:27,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:27,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:53:27,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 08:53:27,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:27,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:53:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:27,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:27,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:27,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:53:27,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 08:53:27,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:53:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:53:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-13 08:53:27,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426503960] [2020-10-13 08:53:27,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:27,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:53:27,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034861690] [2020-10-13 08:53:27,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:53:27,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:27,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:53:27,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:53:27,534 INFO L87 Difference]: Start difference. First operand 1118 states and 1413 transitions. Second operand 5 states. [2020-10-13 08:53:28,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:28,570 INFO L93 Difference]: Finished difference Result 2261 states and 2867 transitions. [2020-10-13 08:53:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:53:28,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 328 [2020-10-13 08:53:28,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:28,577 INFO L225 Difference]: With dead ends: 2261 [2020-10-13 08:53:28,578 INFO L226 Difference]: Without dead ends: 1122 [2020-10-13 08:53:28,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:53:28,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-10-13 08:53:28,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1118. [2020-10-13 08:53:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-10-13 08:53:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1411 transitions. [2020-10-13 08:53:28,612 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1411 transitions. Word has length 328 [2020-10-13 08:53:28,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:28,613 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1411 transitions. [2020-10-13 08:53:28,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:53:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1411 transitions. [2020-10-13 08:53:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-13 08:53:28,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:28,619 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, 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, 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] [2020-10-13 08:53:28,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:53:28,620 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:28,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:28,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1216830023, now seen corresponding path program 1 times [2020-10-13 08:53:28,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:28,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689316524] [2020-10-13 08:53:28,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:28,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:28,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:31,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:32,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:33,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:33,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-13 08:53:33,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:53:33,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 08:53:33,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:33,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:53:33,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 296 [2020-10-13 08:53:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 08:53:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:33,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:33,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:33,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:33,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:33,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:53:33,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:33,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:33,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:33,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:33,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:53:33,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:33,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:53:33,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:33,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:33,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:53:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:33,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:33,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:33,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:53:33,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:33,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:53:33,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:53:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-13 08:53:34,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689316524] [2020-10-13 08:53:34,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:34,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:53:34,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405198552] [2020-10-13 08:53:34,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:53:34,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:34,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:53:34,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:53:34,103 INFO L87 Difference]: Start difference. First operand 1118 states and 1411 transitions. Second operand 8 states. [2020-10-13 08:53:35,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:35,300 INFO L93 Difference]: Finished difference Result 2284 states and 2898 transitions. [2020-10-13 08:53:35,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:53:35,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 332 [2020-10-13 08:53:35,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:35,313 INFO L225 Difference]: With dead ends: 2284 [2020-10-13 08:53:35,313 INFO L226 Difference]: Without dead ends: 1122 [2020-10-13 08:53:35,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:53:35,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-10-13 08:53:35,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1118. [2020-10-13 08:53:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-10-13 08:53:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1406 transitions. [2020-10-13 08:53:35,355 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1406 transitions. Word has length 332 [2020-10-13 08:53:35,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:35,356 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1406 transitions. [2020-10-13 08:53:35,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:53:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1406 transitions. [2020-10-13 08:53:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-13 08:53:35,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:35,361 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, 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, 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] [2020-10-13 08:53:35,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:53:35,362 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:35,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:35,362 INFO L82 PathProgramCache]: Analyzing trace with hash 827042203, now seen corresponding path program 1 times [2020-10-13 08:53:35,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:35,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036885086] [2020-10-13 08:53:35,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:35,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:37,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:40,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:40,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-13 08:53:40,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:53:40,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 08:53:40,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 302 [2020-10-13 08:53:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 08:53:40,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:40,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:40,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:40,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:40,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:40,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:40,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:53:40,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:40,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:40,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:40,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:40,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:40,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:40,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:40,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:40,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:53:40,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:53:40,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:40,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:40,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:53:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:40,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:40,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:40,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 08:53:40,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:40,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:53:40,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:40,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 08:53:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-13 08:53:40,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036885086] [2020-10-13 08:53:40,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:40,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:53:40,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842623397] [2020-10-13 08:53:40,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:53:40,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:40,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:53:40,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:53:40,744 INFO L87 Difference]: Start difference. First operand 1118 states and 1406 transitions. Second operand 5 states. [2020-10-13 08:53:41,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:41,715 INFO L93 Difference]: Finished difference Result 2266 states and 2859 transitions. [2020-10-13 08:53:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:53:41,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 338 [2020-10-13 08:53:41,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:41,723 INFO L225 Difference]: With dead ends: 2266 [2020-10-13 08:53:41,723 INFO L226 Difference]: Without dead ends: 1122 [2020-10-13 08:53:41,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:53:41,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-10-13 08:53:41,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1118. [2020-10-13 08:53:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-10-13 08:53:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1403 transitions. [2020-10-13 08:53:41,755 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1403 transitions. Word has length 338 [2020-10-13 08:53:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:41,756 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1403 transitions. [2020-10-13 08:53:41,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:53:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1403 transitions. [2020-10-13 08:53:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-13 08:53:41,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:41,760 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, 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, 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] [2020-10-13 08:53:41,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:53:41,760 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:41,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:41,761 INFO L82 PathProgramCache]: Analyzing trace with hash -536760821, now seen corresponding path program 1 times [2020-10-13 08:53:41,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:41,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2077454675] [2020-10-13 08:53:41,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:41,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:41,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:42,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:44,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:46,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:46,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-13 08:53:46,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:53:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 08:53:46,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 310 [2020-10-13 08:53:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:53:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:46,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:46,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:46,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:46,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:53:46,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:46,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:46,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:46,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:46,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:53:46,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 08:53:46,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:46,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:47,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:53:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:47,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:47,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:47,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:53:47,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:53:47,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:53:47,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-13 08:53:47,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2077454675] [2020-10-13 08:53:47,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:47,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:53:47,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133558423] [2020-10-13 08:53:47,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:53:47,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:47,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:53:47,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:53:47,183 INFO L87 Difference]: Start difference. First operand 1118 states and 1403 transitions. Second operand 5 states. [2020-10-13 08:53:48,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:48,599 INFO L93 Difference]: Finished difference Result 2974 states and 3834 transitions. [2020-10-13 08:53:48,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:53:48,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 346 [2020-10-13 08:53:48,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:48,610 INFO L225 Difference]: With dead ends: 2974 [2020-10-13 08:53:48,610 INFO L226 Difference]: Without dead ends: 1862 [2020-10-13 08:53:48,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:53:48,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2020-10-13 08:53:48,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1490. [2020-10-13 08:53:48,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1490 states. [2020-10-13 08:53:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 1875 transitions. [2020-10-13 08:53:48,658 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 1875 transitions. Word has length 346 [2020-10-13 08:53:48,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:48,659 INFO L479 AbstractCegarLoop]: Abstraction has 1490 states and 1875 transitions. [2020-10-13 08:53:48,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:53:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1875 transitions. [2020-10-13 08:53:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-10-13 08:53:48,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:48,664 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:53:48,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:53:48,664 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:48,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:48,665 INFO L82 PathProgramCache]: Analyzing trace with hash -603968616, now seen corresponding path program 1 times [2020-10-13 08:53:48,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:48,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043534743] [2020-10-13 08:53:48,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:48,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:49,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:50,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:53,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:53,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 422 [2020-10-13 08:53:53,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:53:53,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 08:53:53,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:53:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:53:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:53:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:53,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:53:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:53,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:53,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:53:53,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:53,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:53:53,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:53,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:53:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:53,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:53,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:53,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:53:53,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 08:53:53,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:53:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:53:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:53:53,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:53,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:53:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:53,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:53,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:54,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:54,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:53:54,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:53:54,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-13 08:53:54,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:53:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:53:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-13 08:53:54,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:54,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 08:53:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:54,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:54,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:53:54,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:53:54,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:53:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 08:53:54,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:53:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:53:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 08:53:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:53:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:53:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 197 proven. 111 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 08:53:54,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043534743] [2020-10-13 08:53:54,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:53:54,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:53:54,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271417150] [2020-10-13 08:53:54,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:53:54,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:53:54,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:53:54,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:53:54,422 INFO L87 Difference]: Start difference. First operand 1490 states and 1875 transitions. Second operand 7 states. [2020-10-13 08:53:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:53:56,193 INFO L93 Difference]: Finished difference Result 3182 states and 3991 transitions. [2020-10-13 08:53:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:53:56,193 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 408 [2020-10-13 08:53:56,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:53:56,201 INFO L225 Difference]: With dead ends: 3182 [2020-10-13 08:53:56,201 INFO L226 Difference]: Without dead ends: 1508 [2020-10-13 08:53:56,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:53:56,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-10-13 08:53:56,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1496. [2020-10-13 08:53:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2020-10-13 08:53:56,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1705 transitions. [2020-10-13 08:53:56,242 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1705 transitions. Word has length 408 [2020-10-13 08:53:56,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:53:56,242 INFO L479 AbstractCegarLoop]: Abstraction has 1496 states and 1705 transitions. [2020-10-13 08:53:56,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:53:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1705 transitions. [2020-10-13 08:53:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2020-10-13 08:53:56,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:53:56,249 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:53:56,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:53:56,250 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:53:56,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:53:56,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1626662085, now seen corresponding path program 1 times [2020-10-13 08:53:56,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:53:56,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068401710] [2020-10-13 08:53:56,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:53:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:53:56,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:56,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:53:56,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:00,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:00,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:00,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:01,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:01,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 533 [2020-10-13 08:54:01,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:54:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 08:54:01,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:54:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 485 [2020-10-13 08:54:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:54:01,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:01,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:01,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:01,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:01,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:01,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:01,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:54:01,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:01,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:01,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:01,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:01,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:01,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:54:01,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:01,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 08:54:01,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:01,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:01,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 08:54:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:01,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:01,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:54:01,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:54:01,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:01,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-10-13 08:54:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:01,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:01,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:01,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:54:01,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:01,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 08:54:01,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-13 08:54:01,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2020-10-13 08:54:01,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068401710] [2020-10-13 08:54:01,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:01,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:54:01,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207614541] [2020-10-13 08:54:01,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:54:01,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:01,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:54:01,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:54:01,756 INFO L87 Difference]: Start difference. First operand 1496 states and 1705 transitions. Second operand 5 states. [2020-10-13 08:54:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:03,104 INFO L93 Difference]: Finished difference Result 4278 states and 4926 transitions. [2020-10-13 08:54:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:54:03,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 519 [2020-10-13 08:54:03,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:03,106 INFO L225 Difference]: With dead ends: 4278 [2020-10-13 08:54:03,106 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:54:03,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:54:03,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:54:03,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:54:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:54:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:54:03,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 519 [2020-10-13 08:54:03,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:03,116 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:54:03,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:54:03,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:54:03,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:54:03,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:54:03,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:54:03,541 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 48 [2020-10-13 08:54:03,730 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 48 [2020-10-13 08:54:04,104 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 40 [2020-10-13 08:54:04,235 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:54:04,236 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)|)) [2020-10-13 08:54:04,236 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:54:04,236 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:54:04,236 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:54:04,236 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:54:04,237 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:54:04,238 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:54:04,239 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:54:04,240 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:54:04,240 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:54:04,240 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:54:04,240 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:54:04,240 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:54:04,240 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,240 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,240 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,241 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:54:04,242 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:54:04,243 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:54:04,244 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,245 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:54:04,246 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:54:04,246 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:54:04,246 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:54:04,246 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:54:04,246 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:54:04,246 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= ~a12~0 |old(~a12~0)|))) (let ((.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) .cse2 (= ~a15~0 |old(~a15~0)|))) (.cse1 (= 7 |old(~a15~0)|))) (and (or .cse0 (not (<= 12 |old(~a12~0)|))) (or .cse0 (not (<= |old(~a21~0)| 7))) (or (not (= 10 |old(~a21~0)|)) .cse0) (or .cse0 .cse1) (or (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a21~0)|)) (and (= 7 ~a15~0) (= ~a24~0 1) (= ~a21~0 8) .cse2) (not .cse1))))) [2020-10-13 08:54:04,246 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:54:04,247 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:54:04,248 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:54:04,249 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,250 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,251 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-10-13 08:54:04,252 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,253 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,254 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:54:04,255 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:54:04,255 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:54:04,255 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:54:04,255 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:54:04,255 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:54:04,255 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:54:04,255 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,255 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,256 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:54:04,257 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:54:04,258 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:54:04,259 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:54:04,260 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:04,261 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:54:04,262 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:54:04,262 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:54:04,262 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:54:04,262 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:54:04,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:54:04,262 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (= ~a15~0 8)) [2020-10-13 08:54:04,262 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:54:04,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:54:04,262 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|)) (not (<= |old(~a21~0)| 7))) [2020-10-13 08:54:04,263 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:54:04,263 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a21~0 7) (<= 12 ~a12~0) (= ~a21~0 10) (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 1) (= ~a21~0 8)) (not (<= |old(~a21~0)| 7)) (not (= 7 ~a15~0))) [2020-10-13 08:54:04,263 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:54:04,263 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:54:04,263 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= ~a21~0 7) (<= 12 ~a12~0) (= ~a21~0 10) (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 1) (= ~a21~0 8)) (not (<= |old(~a21~0)| 7)) (not (= 7 ~a15~0))) [2020-10-13 08:54:04,263 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:54:04,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:54:04 BoogieIcfgContainer [2020-10-13 08:54:04,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:54:04,286 INFO L168 Benchmark]: Toolchain (without parser) took 71570.69 ms. Allocated memory was 148.4 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 102.8 MB in the beginning and 840.6 MB in the end (delta: -737.8 MB). Peak memory consumption was 317.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:04,287 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:54:04,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 895.08 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 102.6 MB in the beginning and 169.8 MB in the end (delta: -67.2 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:04,289 INFO L168 Benchmark]: Boogie Preprocessor took 141.24 ms. Allocated memory is still 207.1 MB. Free memory was 169.8 MB in the beginning and 164.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:04,290 INFO L168 Benchmark]: RCFGBuilder took 1519.17 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 164.3 MB in the beginning and 148.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:04,290 INFO L168 Benchmark]: TraceAbstraction took 69009.95 ms. Allocated memory was 236.5 MB in the beginning and 1.2 GB in the end (delta: 966.8 MB). Free memory was 148.9 MB in the beginning and 840.6 MB in the end (delta: -691.8 MB). Peak memory consumption was 275.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:04,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 895.08 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 102.6 MB in the beginning and 169.8 MB in the end (delta: -67.2 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.24 ms. Allocated memory is still 207.1 MB. Free memory was 169.8 MB in the beginning and 164.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1519.17 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 164.3 MB in the beginning and 148.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 69009.95 ms. Allocated memory was 236.5 MB in the beginning and 1.2 GB in the end (delta: 966.8 MB). Free memory was 148.9 MB in the beginning and 840.6 MB in the end (delta: -691.8 MB). Peak memory consumption was 275.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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 <= 7 || 12 <= a12) || a21 == 10) || !(8 == \old(a15))) || (a24 == 1 && a21 == 8)) || !(\old(a21) <= 7)) || !(7 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 67.7s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 307 SDtfs, 4167 SDslu, 288 SDs, 0 SdLazy, 10468 SolverSat, 985 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 95 SyntacticMatches, 10 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1496occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 798 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 138 NumberOfFragments, 217 HoareAnnotationTreeSize, 88 FomulaSimplifications, 1089190 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1440 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 48.5s InterpolantComputationTime, 3376 NumberOfCodeBlocks, 3376 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3364 ConstructedInterpolants, 0 QuantifiedInterpolants, 2391495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 2304/2434 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...