/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:26:27,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:26:27,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:26:27,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:26:27,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:26:27,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:26:27,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:26:27,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:26:27,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:26:27,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:26:27,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:26:27,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:26:27,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:26:27,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:26:27,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:26:27,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:26:27,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:26:27,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:26:27,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:26:27,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:26:27,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:26:27,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:26:27,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:26:27,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:26:27,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:26:27,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:26:27,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:26:27,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:26:27,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:26:27,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:26:27,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:26:27,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:26:27,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:26:27,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:26:27,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:26:27,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:26:27,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:26:27,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:26:27,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:26:27,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:26:27,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:26:27,439 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 [2020-09-21 11:26:27,489 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:26:27,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:26:27,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:26:27,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:26:27,492 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:26:27,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:26:27,492 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:26:27,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:26:27,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:26:27,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:26:27,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:26:27,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:26:27,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:26:27,495 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:26:27,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:26:27,495 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:26:27,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:26:27,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:26:27,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:26:27,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:26:27,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:26:27,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:26:27,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:26:27,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:26:27,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:26:27,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:26:27,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:26:27,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:26:27,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:26:27,498 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:26:27,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:26:27,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:26:27,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:26:27,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:26:27,968 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:26:27,969 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2020-09-21 11:26:28,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/769521d40/6d92d3ad0a224d62b4033206dd56741c/FLAG562668ee6 [2020-09-21 11:26:28,670 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:26:28,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2020-09-21 11:26:28,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/769521d40/6d92d3ad0a224d62b4033206dd56741c/FLAG562668ee6 [2020-09-21 11:26:28,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/769521d40/6d92d3ad0a224d62b4033206dd56741c [2020-09-21 11:26:28,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:26:28,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:26:28,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:28,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:26:28,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:26:28,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a03fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28, skipping insertion in model container [2020-09-21 11:26:28,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:26:29,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:26:29,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:29,505 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:26:29,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:29,703 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:26:29,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29 WrapperNode [2020-09-21 11:26:29,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:29,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:26:29,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:26:29,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:26:29,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (1/1) ... [2020-09-21 11:26:29,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (1/1) ... [2020-09-21 11:26:29,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (1/1) ... [2020-09-21 11:26:29,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (1/1) ... [2020-09-21 11:26:29,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (1/1) ... [2020-09-21 11:26:29,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (1/1) ... [2020-09-21 11:26:29,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (1/1) ... [2020-09-21 11:26:29,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:26:29,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:26:29,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:26:29,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:26:29,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (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 [2020-09-21 11:26:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:26:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:26:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:26:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:26:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:26:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:26:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:26:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:26:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:26:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:26:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:26:31,116 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:26:31,116 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:26:31,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:31 BoogieIcfgContainer [2020-09-21 11:26:31,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:26:31,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:26:31,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:26:31,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:26:31,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:26:28" (1/3) ... [2020-09-21 11:26:31,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aad8a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:31, skipping insertion in model container [2020-09-21 11:26:31,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:29" (2/3) ... [2020-09-21 11:26:31,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aad8a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:31, skipping insertion in model container [2020-09-21 11:26:31,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:31" (3/3) ... [2020-09-21 11:26:31,133 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2020-09-21 11:26:31,144 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:26:31,158 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:26:31,180 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:26:31,212 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:26:31,213 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:26:31,213 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:26:31,213 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:26:31,213 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:26:31,213 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:26:31,213 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:26:31,214 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:26:31,242 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:26:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-21 11:26:31,256 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:31,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:31,258 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:31,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1304641474, now seen corresponding path program 1 times [2020-09-21 11:26:31,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:31,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588612678] [2020-09-21 11:26:31,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:31,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:31,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:31,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:31,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:31,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-21 11:26:31,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:31,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:26:31,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-21 11:26:31,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:31,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:31,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:31,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:31,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:31,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:31,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:31,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:31,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:31,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:31,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588612678] [2020-09-21 11:26:31,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:31,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:26:31,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501640294] [2020-09-21 11:26:31,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:31,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:31,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:31,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:31,939 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 11:26:34,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:34,319 INFO L93 Difference]: Finished difference Result 782 states and 1374 transitions. [2020-09-21 11:26:34,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:26:34,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-09-21 11:26:34,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:34,360 INFO L225 Difference]: With dead ends: 782 [2020-09-21 11:26:34,360 INFO L226 Difference]: Without dead ends: 478 [2020-09-21 11:26:34,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:34,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-09-21 11:26:34,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 473. [2020-09-21 11:26:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-09-21 11:26:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 651 transitions. [2020-09-21 11:26:34,466 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 651 transitions. Word has length 106 [2020-09-21 11:26:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:34,467 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 651 transitions. [2020-09-21 11:26:34,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 651 transitions. [2020-09-21 11:26:34,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-21 11:26:34,476 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:34,477 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:26:34,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:26:34,478 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:34,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:34,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1785081447, now seen corresponding path program 1 times [2020-09-21 11:26:34,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:34,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069438578] [2020-09-21 11:26:34,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:34,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:34,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:34,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:34,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:34,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:26:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:26:34,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 11:26:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 11:26:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:34,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:34,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:34,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:34,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:34,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:34,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:34,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:34,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:34,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:34,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:34,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:34,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:34,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:34,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:34,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:34,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:34,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:26:34,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:34,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:34,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:34,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:34,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:26:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:34,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069438578] [2020-09-21 11:26:34,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:34,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:34,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234132154] [2020-09-21 11:26:34,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:34,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:34,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:34,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:34,767 INFO L87 Difference]: Start difference. First operand 473 states and 651 transitions. Second operand 5 states. [2020-09-21 11:26:36,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:36,062 INFO L93 Difference]: Finished difference Result 1383 states and 1948 transitions. [2020-09-21 11:26:36,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:36,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-09-21 11:26:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:36,070 INFO L225 Difference]: With dead ends: 1383 [2020-09-21 11:26:36,070 INFO L226 Difference]: Without dead ends: 916 [2020-09-21 11:26:36,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:36,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-09-21 11:26:36,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 912. [2020-09-21 11:26:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-09-21 11:26:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1240 transitions. [2020-09-21 11:26:36,135 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1240 transitions. Word has length 127 [2020-09-21 11:26:36,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:36,137 INFO L479 AbstractCegarLoop]: Abstraction has 912 states and 1240 transitions. [2020-09-21 11:26:36,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1240 transitions. [2020-09-21 11:26:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:26:36,156 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:36,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:36,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:26:36,157 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:36,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:36,157 INFO L82 PathProgramCache]: Analyzing trace with hash -351170098, now seen corresponding path program 1 times [2020-09-21 11:26:36,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:36,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320093603] [2020-09-21 11:26:36,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:36,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:26:36,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -31 [2020-09-21 11:26:36,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 31 [2020-09-21 11:26:36,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:36,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:26:36,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:36,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:26:36,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 11:26:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:26:36,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-09-21 11:26:36,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:36,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:36,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:36,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:36,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:36,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:36,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:36,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:36,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:36,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:36,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:36,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:36,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:26:36,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:36,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:26:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:36,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320093603] [2020-09-21 11:26:36,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:36,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:36,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861235497] [2020-09-21 11:26:36,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:36,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:36,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:36,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:36,582 INFO L87 Difference]: Start difference. First operand 912 states and 1240 transitions. Second operand 5 states. [2020-09-21 11:26:37,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:37,936 INFO L93 Difference]: Finished difference Result 1908 states and 2658 transitions. [2020-09-21 11:26:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:37,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-09-21 11:26:37,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:37,949 INFO L225 Difference]: With dead ends: 1908 [2020-09-21 11:26:37,950 INFO L226 Difference]: Without dead ends: 916 [2020-09-21 11:26:37,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:37,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-09-21 11:26:37,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 912. [2020-09-21 11:26:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-09-21 11:26:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1220 transitions. [2020-09-21 11:26:37,992 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1220 transitions. Word has length 132 [2020-09-21 11:26:37,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:37,992 INFO L479 AbstractCegarLoop]: Abstraction has 912 states and 1220 transitions. [2020-09-21 11:26:37,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:37,993 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1220 transitions. [2020-09-21 11:26:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-21 11:26:37,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:38,000 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:38,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:26:38,005 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:38,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:38,006 INFO L82 PathProgramCache]: Analyzing trace with hash -275132288, now seen corresponding path program 1 times [2020-09-21 11:26:38,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:38,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387230260] [2020-09-21 11:26:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-21 11:26:38,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:26:38,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:26:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:26:38,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:38,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:38,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:38,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:26:38,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:38,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:26:38,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:38,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:26:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:26:38,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:38,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:26:38,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:26:38,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387230260] [2020-09-21 11:26:38,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:38,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:38,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170632887] [2020-09-21 11:26:38,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:38,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:38,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:38,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:38,340 INFO L87 Difference]: Start difference. First operand 912 states and 1220 transitions. Second operand 7 states. [2020-09-21 11:26:39,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:39,958 INFO L93 Difference]: Finished difference Result 2587 states and 3573 transitions. [2020-09-21 11:26:39,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:39,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-09-21 11:26:39,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:39,972 INFO L225 Difference]: With dead ends: 2587 [2020-09-21 11:26:39,973 INFO L226 Difference]: Without dead ends: 1681 [2020-09-21 11:26:39,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:39,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2020-09-21 11:26:40,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1657. [2020-09-21 11:26:40,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1657 states. [2020-09-21 11:26:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2130 transitions. [2020-09-21 11:26:40,053 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 2130 transitions. Word has length 169 [2020-09-21 11:26:40,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:40,054 INFO L479 AbstractCegarLoop]: Abstraction has 1657 states and 2130 transitions. [2020-09-21 11:26:40,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2130 transitions. [2020-09-21 11:26:40,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-21 11:26:40,061 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:40,061 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:40,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:26:40,062 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:40,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:40,062 INFO L82 PathProgramCache]: Analyzing trace with hash 234864856, now seen corresponding path program 1 times [2020-09-21 11:26:40,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:40,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439648548] [2020-09-21 11:26:40,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:40,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:40,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:40,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-21 11:26:40,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:26:40,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:40,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:26:40,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:26:40,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:40,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:40,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:40,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:40,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:40,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:40,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:40,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:40,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:40,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:26:40,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:40,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:26:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:26:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:40,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:40,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:40,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:26:40,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:40,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:40,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:40,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:26:40,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:40,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:26:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:40,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:40,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:40,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:26:40,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:40,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 11:26:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:40,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 84 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:26:40,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439648548] [2020-09-21 11:26:40,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:40,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:40,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680166358] [2020-09-21 11:26:40,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:40,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:40,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:40,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:40,423 INFO L87 Difference]: Start difference. First operand 1657 states and 2130 transitions. Second operand 7 states. [2020-09-21 11:26:41,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:41,981 INFO L93 Difference]: Finished difference Result 3925 states and 5187 transitions. [2020-09-21 11:26:41,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:41,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-21 11:26:41,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:41,991 INFO L225 Difference]: With dead ends: 3925 [2020-09-21 11:26:41,992 INFO L226 Difference]: Without dead ends: 1971 [2020-09-21 11:26:41,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:26:41,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2020-09-21 11:26:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1816. [2020-09-21 11:26:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1816 states. [2020-09-21 11:26:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2222 transitions. [2020-09-21 11:26:42,050 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2222 transitions. Word has length 191 [2020-09-21 11:26:42,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:42,050 INFO L479 AbstractCegarLoop]: Abstraction has 1816 states and 2222 transitions. [2020-09-21 11:26:42,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2222 transitions. [2020-09-21 11:26:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-21 11:26:42,057 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:42,057 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:42,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:26:42,057 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:42,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:42,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1030288048, now seen corresponding path program 1 times [2020-09-21 11:26:42,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:42,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477943701] [2020-09-21 11:26:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-21 11:26:42,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:26:42,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:26:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:26:42,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:42,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:42,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:42,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:42,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:42,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:42,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:26:42,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:42,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:42,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:42,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:26:42,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:26:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:26:42,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:42,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:26:42,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 11:26:42,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477943701] [2020-09-21 11:26:42,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:42,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:42,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307270001] [2020-09-21 11:26:42,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:42,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:42,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:42,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:42,350 INFO L87 Difference]: Start difference. First operand 1816 states and 2222 transitions. Second operand 7 states. [2020-09-21 11:26:44,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:44,461 INFO L93 Difference]: Finished difference Result 4797 states and 5850 transitions. [2020-09-21 11:26:44,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:44,461 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-09-21 11:26:44,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:44,474 INFO L225 Difference]: With dead ends: 4797 [2020-09-21 11:26:44,474 INFO L226 Difference]: Without dead ends: 2841 [2020-09-21 11:26:44,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:44,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2020-09-21 11:26:44,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 1381. [2020-09-21 11:26:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2020-09-21 11:26:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1588 transitions. [2020-09-21 11:26:44,529 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1588 transitions. Word has length 195 [2020-09-21 11:26:44,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:44,530 INFO L479 AbstractCegarLoop]: Abstraction has 1381 states and 1588 transitions. [2020-09-21 11:26:44,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1588 transitions. [2020-09-21 11:26:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-21 11:26:44,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:44,535 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:44,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:26:44,536 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:44,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:44,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1660270695, now seen corresponding path program 1 times [2020-09-21 11:26:44,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:44,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922619748] [2020-09-21 11:26:44,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-21 11:26:44,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:26:44,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:26:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 11:26:44,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:44,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:44,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:44,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:44,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:44,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:44,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:44,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:44,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:44,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:26:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:44,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:44,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:44,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:26:44,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:44,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:26:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:26:44,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:26:44,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:26:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:44,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:26:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:26:44,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:44,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:44,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 11:26:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-21 11:26:44,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922619748] [2020-09-21 11:26:44,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:44,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:44,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431202257] [2020-09-21 11:26:44,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:44,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:44,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:44,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:44,884 INFO L87 Difference]: Start difference. First operand 1381 states and 1588 transitions. Second operand 7 states. [2020-09-21 11:26:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:46,188 INFO L93 Difference]: Finished difference Result 3227 states and 3838 transitions. [2020-09-21 11:26:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:46,189 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-09-21 11:26:46,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:46,199 INFO L225 Difference]: With dead ends: 3227 [2020-09-21 11:26:46,199 INFO L226 Difference]: Without dead ends: 1695 [2020-09-21 11:26:46,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:26:46,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2020-09-21 11:26:46,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1367. [2020-09-21 11:26:46,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-09-21 11:26:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1526 transitions. [2020-09-21 11:26:46,272 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1526 transitions. Word has length 204 [2020-09-21 11:26:46,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:46,273 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1526 transitions. [2020-09-21 11:26:46,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1526 transitions. [2020-09-21 11:26:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-09-21 11:26:46,280 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:46,280 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:46,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:26:46,281 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:46,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:46,281 INFO L82 PathProgramCache]: Analyzing trace with hash -724814923, now seen corresponding path program 1 times [2020-09-21 11:26:46,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:46,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375584899] [2020-09-21 11:26:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:46,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:26:46,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -100 [2020-09-21 11:26:46,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 100 [2020-09-21 11:26:46,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:46,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-09-21 11:26:46,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:46,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:26:46,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-21 11:26:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:26:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:46,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:46,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:46,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:46,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:46,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:46,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:26:46,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:46,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:46,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:46,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:46,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:46,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:46,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-21 11:26:46,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:46,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:46,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:46,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 11:26:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:46,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:46,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:46,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:46,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:46,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:26:46,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:46,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:46,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:46,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:26:46,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:46,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-21 11:26:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:26:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:46,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:46,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:26:46,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:46,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:26:46,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:26:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 223 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-21 11:26:46,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375584899] [2020-09-21 11:26:46,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:46,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:46,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732504007] [2020-09-21 11:26:46,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:46,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:46,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:46,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:46,729 INFO L87 Difference]: Start difference. First operand 1367 states and 1526 transitions. Second operand 7 states. [2020-09-21 11:26:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:48,144 INFO L93 Difference]: Finished difference Result 2748 states and 3075 transitions. [2020-09-21 11:26:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:48,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-09-21 11:26:48,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:48,155 INFO L225 Difference]: With dead ends: 2748 [2020-09-21 11:26:48,155 INFO L226 Difference]: Without dead ends: 1387 [2020-09-21 11:26:48,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:26:48,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-09-21 11:26:48,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1373. [2020-09-21 11:26:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1373 states. [2020-09-21 11:26:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1532 transitions. [2020-09-21 11:26:48,195 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1532 transitions. Word has length 253 [2020-09-21 11:26:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:48,196 INFO L479 AbstractCegarLoop]: Abstraction has 1373 states and 1532 transitions. [2020-09-21 11:26:48,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1532 transitions. [2020-09-21 11:26:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-21 11:26:48,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:48,203 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:26:48,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:26:48,204 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:48,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:48,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1400452476, now seen corresponding path program 1 times [2020-09-21 11:26:48,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:48,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293072104] [2020-09-21 11:26:48,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:26:48,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -92 [2020-09-21 11:26:48,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 92 [2020-09-21 11:26:48,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-21 11:26:48,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:26:48,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-09-21 11:26:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:26:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:48,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:48,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:48,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:48,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:48,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:48,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:48,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:48,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:48,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:48,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:48,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:48,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:48,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:48,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:48,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:48,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:48,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:26:48,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:48,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:26:48,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:26:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:48,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:48,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:48,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:26:48,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:48,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:26:48,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-21 11:26:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:48,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:48,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:48,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:26:48,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:48,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 11:26:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-09-21 11:26:48,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293072104] [2020-09-21 11:26:48,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:48,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:48,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634705713] [2020-09-21 11:26:48,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:48,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:48,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:48,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:48,576 INFO L87 Difference]: Start difference. First operand 1373 states and 1532 transitions. Second operand 7 states. [2020-09-21 11:26:49,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:49,786 INFO L93 Difference]: Finished difference Result 2726 states and 3051 transitions. [2020-09-21 11:26:49,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:26:49,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 268 [2020-09-21 11:26:49,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:49,792 INFO L225 Difference]: With dead ends: 2726 [2020-09-21 11:26:49,792 INFO L226 Difference]: Without dead ends: 1211 [2020-09-21 11:26:49,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:49,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2020-09-21 11:26:49,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1207. [2020-09-21 11:26:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-09-21 11:26:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1345 transitions. [2020-09-21 11:26:49,824 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1345 transitions. Word has length 268 [2020-09-21 11:26:49,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:49,825 INFO L479 AbstractCegarLoop]: Abstraction has 1207 states and 1345 transitions. [2020-09-21 11:26:49,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1345 transitions. [2020-09-21 11:26:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-09-21 11:26:49,831 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:49,831 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 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] [2020-09-21 11:26:49,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:26:49,832 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:49,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:49,832 INFO L82 PathProgramCache]: Analyzing trace with hash -893005203, now seen corresponding path program 1 times [2020-09-21 11:26:49,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:49,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961428219] [2020-09-21 11:26:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:49,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:49,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:49,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:49,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:49,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-21 11:26:49,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:49,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:49,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:26:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:26:49,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:49,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:49,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:49,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:49,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:49,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:49,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:49,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:49,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:49,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:49,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:49,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:49,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:49,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:49,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:49,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:49,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:49,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:26:49,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:50,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:50,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:50,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:50,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:50,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:26:50,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:50,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:26:50,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:50,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:50,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:50,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:26:50,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:50,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:26:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:50,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:50,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:50,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:50,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:50,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:26:50,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:50,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:50,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:26:50,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:50,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:50,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-09-21 11:26:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:50,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:50,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:50,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:50,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:50,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:26:50,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:50,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 11:26:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 167 proven. 67 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-09-21 11:26:50,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961428219] [2020-09-21 11:26:50,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:50,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:50,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010680575] [2020-09-21 11:26:50,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:50,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:50,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:50,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:50,184 INFO L87 Difference]: Start difference. First operand 1207 states and 1345 transitions. Second operand 7 states. [2020-09-21 11:26:51,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:51,912 INFO L93 Difference]: Finished difference Result 3152 states and 3539 transitions. [2020-09-21 11:26:51,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:26:51,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 271 [2020-09-21 11:26:51,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:51,913 INFO L225 Difference]: With dead ends: 3152 [2020-09-21 11:26:51,913 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:26:51,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:51,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:26:51,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:26:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:26:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:26:51,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 271 [2020-09-21 11:26:51,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:51,921 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:26:51,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:26:51,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:26:51,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:26:51,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:26:53,440 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 135 [2020-09-21 11:26:53,855 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 135 [2020-09-21 11:26:54,662 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 60 [2020-09-21 11:26:55,599 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 53 [2020-09-21 11:26:56,419 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 53 [2020-09-21 11:26:56,424 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:56,425 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 11:26:56,425 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:56,425 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,426 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,426 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,426 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,426 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,427 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:26:56,427 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:26:56,427 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:26:56,427 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:26:56,427 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:26:56,427 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:26:56,427 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:26:56,427 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:26:56,428 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:26:56,429 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,430 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,431 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-09-21 11:26:56,431 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:56,431 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:26:56,431 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:56,431 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:26:56,431 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:26:56,431 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:26:56,431 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,432 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:26:56,433 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:26:56,434 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:26:56,434 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,434 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,434 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,434 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,434 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,434 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:26:56,434 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:26:56,435 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:26:56,435 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:26:56,435 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:26:56,435 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:26:56,435 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:26:56,435 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:26:56,435 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:26:56,435 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:26:56,436 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:26:56,436 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:26:56,436 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:26:56,436 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:56,436 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:26:56,436 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:56,436 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,436 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:56,437 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:26:56,438 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,439 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:26:56,440 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:26:56,441 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:26:56,442 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:26:56,443 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:26:56,443 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:26:56,443 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:26:56,443 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,443 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,443 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,443 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse6 (= |old(~a11~0)| 1)) (.cse12 (= ~a28~0 |old(~a28~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse7 (not (= 7 |old(~a17~0)|))) (.cse10 (not (= |old(~a25~0)| 1))) (.cse11 (not (= |old(~a19~0)| 1))) (.cse9 (= ~a25~0 1)) (.cse13 (= ~a17~0 8)) (.cse5 (and .cse12 .cse0 .cse1 .cse2 .cse3)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse4 (= |old(~a17~0)| |old(~a28~0)|)) (.cse8 (not .cse6))) (and (or (not (= 10 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3 (= ~a28~0 10)) .cse4) (or .cse5 .cse6 .cse4) (or .cse7 .cse5 .cse4 .cse8) (or (and (= 7 ~a17~0) .cse1 (= 7 ~a28~0) .cse9 .cse3) .cse10 .cse7 .cse11 (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) .cse8) (or .cse10 .cse11 (and .cse12 .cse1 .cse13 .cse9 .cse3) .cse14) (or (and .cse12 .cse1 .cse2 .cse13 .cse3) .cse14 .cse6) (or .cse5 .cse14 .cse4 .cse8)))) [2020-09-21 11:26:56,443 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,443 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:26:56,444 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:26:56,445 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,446 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:26:56,447 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:56,448 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:26:56,448 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:56,448 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:56,448 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:26:56,448 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:26:56,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:56,448 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= (+ ~a28~0 1) ~a17~0) (= ~a17~0 8) (not (= ~a11~0 1))) [2020-09-21 11:26:56,448 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:26:56,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:56,448 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= (+ |old(~a28~0)| 1) |old(~a17~0)|)) (= |old(~a11~0)| 1)) [2020-09-21 11:26:56,449 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse10 (= |old(~a11~0)| 1))) (let ((.cse2 (= ~a28~0 10)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse5 (not (= 10 |old(~a28~0)|))) (.cse7 (not .cse10)) (.cse4 (= 7 ~a17~0)) (.cse1 (= ~a19~0 1)) (.cse9 (= ~a25~0 1)) (.cse3 (not (= |old(~a25~0)| 1))) (.cse8 (= ~a17~0 8)) (.cse6 (= ~a11~0 1))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse3 .cse1 .cse8 .cse9) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) .cse1 (= ~a25~0 |old(~a25~0)|) .cse8) (and .cse0 .cse6 .cse2) (and .cse0 .cse5 .cse8 .cse6 .cse7) (not (= 8 |old(~a17~0)|)) (not (<= (+ |old(~a28~0)| 1) |old(~a17~0)|)) .cse10 (and .cse4 .cse1 (= ~a21~0 1) (= 7 ~a28~0) .cse9 .cse6) (and .cse3 .cse8 (not .cse6))))) [2020-09-21 11:26:56,449 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:56,449 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:56,449 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse10 (= |old(~a11~0)| 1))) (let ((.cse2 (= ~a28~0 10)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse5 (not (= 10 |old(~a28~0)|))) (.cse7 (not .cse10)) (.cse4 (= 7 ~a17~0)) (.cse1 (= ~a19~0 1)) (.cse9 (= ~a25~0 1)) (.cse3 (not (= |old(~a25~0)| 1))) (.cse8 (= ~a17~0 8)) (.cse6 (= ~a11~0 1))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse3 .cse1 .cse8 .cse9) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) .cse1 (= ~a25~0 |old(~a25~0)|) .cse8) (and .cse0 .cse6 .cse2) (and .cse0 .cse5 .cse8 .cse6 .cse7) (not (= 8 |old(~a17~0)|)) (not (<= (+ |old(~a28~0)| 1) |old(~a17~0)|)) .cse10 (and .cse4 .cse1 (= ~a21~0 1) (= 7 ~a28~0) .cse9 .cse6) (and .cse3 .cse8 (not .cse6))))) [2020-09-21 11:26:56,449 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:26:56,449 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:26:56,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:26:56 BoogieIcfgContainer [2020-09-21 11:26:56,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:26:56,484 INFO L168 Benchmark]: Toolchain (without parser) took 27539.10 ms. Allocated memory was 141.0 MB in the beginning and 620.2 MB in the end (delta: 479.2 MB). Free memory was 100.9 MB in the beginning and 384.8 MB in the end (delta: -283.9 MB). Peak memory consumption was 447.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:56,485 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:26:56,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.20 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 173.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:56,489 INFO L168 Benchmark]: Boogie Preprocessor took 130.10 ms. Allocated memory is still 206.0 MB. Free memory was 173.4 MB in the beginning and 168.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:56,490 INFO L168 Benchmark]: RCFGBuilder took 1288.43 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 168.1 MB in the beginning and 178.0 MB in the end (delta: -9.9 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:56,491 INFO L168 Benchmark]: TraceAbstraction took 25355.23 ms. Allocated memory was 236.5 MB in the beginning and 620.2 MB in the end (delta: 383.8 MB). Free memory was 178.0 MB in the beginning and 384.8 MB in the end (delta: -206.8 MB). Peak memory consumption was 429.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:56,500 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.20 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 173.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.10 ms. Allocated memory is still 206.0 MB. Free memory was 173.4 MB in the beginning and 168.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1288.43 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 168.1 MB in the beginning and 178.0 MB in the end (delta: -9.9 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25355.23 ms. Allocated memory was 236.5 MB in the beginning and 620.2 MB in the end (delta: 383.8 MB). Free memory was 178.0 MB in the beginning and 384.8 MB in the end (delta: -206.8 MB). Peak memory consumption was 429.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((!(\old(a19) == 1) || ((!(a28 == a17) && a19 == 1) && a28 == 10)) || (((((!(a28 == a17) && !(\old(a25) == 1)) && 7 == a17) && !(10 == \old(a28))) && a11 == 1) && !(\old(a11) == 1))) || (((!(\old(a25) == 1) && a19 == 1) && a17 == 8) && a25 == 1)) || ((((a28 == \old(a28) && a11 == \old(a11)) && a19 == 1) && a25 == \old(a25)) && a17 == 8)) || ((!(a28 == a17) && a11 == 1) && a28 == 10)) || ((((!(a28 == a17) && !(10 == \old(a28))) && a17 == 8) && a11 == 1) && !(\old(a11) == 1))) || !(8 == \old(a17))) || !(\old(a28) + 1 <= \old(a17))) || \old(a11) == 1) || (((((7 == a17 && a19 == 1) && a21 == 1) && 7 == a28) && a25 == 1) && a11 == 1)) || ((!(\old(a25) == 1) && a17 == 8) && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.7s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 376 SDtfs, 4472 SDslu, 505 SDs, 0 SdLazy, 9154 SolverSat, 1401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1816occurred in iteration=5, 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, 10 MinimizatonAttempts, 1998 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 100 PreInvPairs, 140 NumberOfFragments, 587 HoareAnnotationTreeSize, 100 FomulaSimplifications, 403753 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15083 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1916 NumberOfCodeBlocks, 1916 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1906 ConstructedInterpolants, 0 QuantifiedInterpolants, 1065254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1179/1323 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...