/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:12:57,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:12:57,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:12:57,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:12:57,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:12:57,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:12:57,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:12:57,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:12:57,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:12:57,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:12:57,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:12:57,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:12:57,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:12:57,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:12:57,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:12:57,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:12:57,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:12:57,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:12:57,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:12:57,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:12:57,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:12:57,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:12:57,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:12:57,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:12:57,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:12:57,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:12:57,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:12:57,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:12:57,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:12:57,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:12:57,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:12:57,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:12:57,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:12:57,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:12:57,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:12:57,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:12:57,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:12:57,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:12:57,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:12:57,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:12:57,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:12:57,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 06:12:57,404 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:12:57,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:12:57,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:12:57,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:12:57,406 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:12:57,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:12:57,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:12:57,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:12:57,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:12:57,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:12:57,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:12:57,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:12:57,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:12:57,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:12:57,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:12:57,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:12:57,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:12:57,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:12:57,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:12:57,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:12:57,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:12:57,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:12:57,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:12:57,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:12:57,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:12:57,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:12:57,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:12:57,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:12:57,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:12:57,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 06:12:57,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:12:57,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:12:57,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:12:57,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:12:57,741 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:12:57,741 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label45.c [2020-10-13 06:12:57,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3607797d8/fb5add25e6bc496dba41bf573d0206c3/FLAG448d4dfdd [2020-10-13 06:12:58,351 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:12:58,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label45.c [2020-10-13 06:12:58,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3607797d8/fb5add25e6bc496dba41bf573d0206c3/FLAG448d4dfdd [2020-10-13 06:12:58,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3607797d8/fb5add25e6bc496dba41bf573d0206c3 [2020-10-13 06:12:58,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:12:58,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:12:58,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:12:58,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:12:58,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:12:58,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:12:58" (1/1) ... [2020-10-13 06:12:58,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31653048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:58, skipping insertion in model container [2020-10-13 06:12:58,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:12:58" (1/1) ... [2020-10-13 06:12:58,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:12:58,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:12:59,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:12:59,274 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:12:59,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:12:59,392 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:12:59,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59 WrapperNode [2020-10-13 06:12:59,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:12:59,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:12:59,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:12:59,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:12:59,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (1/1) ... [2020-10-13 06:12:59,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (1/1) ... [2020-10-13 06:12:59,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (1/1) ... [2020-10-13 06:12:59,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (1/1) ... [2020-10-13 06:12:59,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (1/1) ... [2020-10-13 06:12:59,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (1/1) ... [2020-10-13 06:12:59,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (1/1) ... [2020-10-13 06:12:59,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:12:59,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:12:59,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:12:59,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:12:59,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:12:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:12:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:12:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:12:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:12:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:12:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:12:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:12:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:12:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:12:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:12:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:13:00,655 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:13:00,655 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:13:00,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:13:00 BoogieIcfgContainer [2020-10-13 06:13:00,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:13:00,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:13:00,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:13:00,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:13:00,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:12:58" (1/3) ... [2020-10-13 06:13:00,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6448073a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:13:00, skipping insertion in model container [2020-10-13 06:13:00,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:59" (2/3) ... [2020-10-13 06:13:00,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6448073a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:13:00, skipping insertion in model container [2020-10-13 06:13:00,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:13:00" (3/3) ... [2020-10-13 06:13:00,679 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label45.c [2020-10-13 06:13:00,690 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:13:00,703 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:13:00,720 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:13:00,760 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:13:00,761 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:13:00,761 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:13:00,762 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:13:00,762 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:13:00,762 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:13:00,762 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:13:00,763 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:13:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:13:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-13 06:13:00,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:00,815 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] [2020-10-13 06:13:00,816 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:00,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1702778474, now seen corresponding path program 1 times [2020-10-13 06:13:00,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:00,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588782732] [2020-10-13 06:13:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:01,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:01,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:02,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:02,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 06:13:02,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:02,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1261 [2020-10-13 06:13:02,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:13:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:13:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:13:02,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 06:13:02,894 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-10-13 06:13:03,061 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-10-13 06:13:03,284 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2020-10-13 06:13:03,441 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 41 [2020-10-13 06:13:03,593 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 36 [2020-10-13 06:13:03,726 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2020-10-13 06:13:03,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:03,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:03,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:03,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:03,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:03,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:13:03,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:13:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:03,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588782732] [2020-10-13 06:13:03,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:13:03,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 06:13:03,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739607778] [2020-10-13 06:13:03,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 06:13:03,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:03,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 06:13:03,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 06:13:03,939 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-13 06:13:04,453 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-13 06:13:04,751 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2020-10-13 06:13:05,044 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2020-10-13 06:13:05,640 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2020-10-13 06:13:06,094 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2020-10-13 06:13:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:07,098 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:13:07,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:13:07,100 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-13 06:13:07,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:07,114 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:13:07,114 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:13:07,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:13:07,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:13:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:13:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:13:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:13:07,183 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 88 [2020-10-13 06:13:07,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:07,184 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:13:07,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 06:13:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:13:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-13 06:13:07,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:07,190 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 06:13:07,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:13:07,190 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:07,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:07,191 INFO L82 PathProgramCache]: Analyzing trace with hash 739437447, now seen corresponding path program 1 times [2020-10-13 06:13:07,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:07,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277432955] [2020-10-13 06:13:07,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:07,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:07,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:08,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 06:13:08,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 991 [2020-10-13 06:13:08,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:13:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:13:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:08,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:08,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:08,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:08,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:08,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:08,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:13:08,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:08,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:08,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:08,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:08,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:08,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:08,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:08,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:13:08,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:08,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:08,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:08,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:08,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:13:08,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:08,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277432955] [2020-10-13 06:13:08,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:08,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:08,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639245649] [2020-10-13 06:13:08,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:08,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:08,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:08,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:08,734 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:13:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:10,475 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:13:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:13:10,476 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-13 06:13:10,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:10,479 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:13:10,479 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:13:10,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-13 06:13:10,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:13:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:13:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:13:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:13:10,503 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 97 [2020-10-13 06:13:10,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:10,503 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:13:10,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:10,503 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:13:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-13 06:13:10,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:10,508 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 06:13:10,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:13:10,508 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:10,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:10,509 INFO L82 PathProgramCache]: Analyzing trace with hash -791635457, now seen corresponding path program 1 times [2020-10-13 06:13:10,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:10,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040787543] [2020-10-13 06:13:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:10,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:10,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:10,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:11,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:11,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 06:13:11,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:11,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 930 [2020-10-13 06:13:11,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:13:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:13:11,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:11,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:11,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:11,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:11,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:11,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:11,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:13:11,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:11,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:11,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:11,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:11,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:11,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:11,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:13:11,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:13:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:11,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040787543] [2020-10-13 06:13:11,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:11,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:11,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025156879] [2020-10-13 06:13:11,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:11,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:11,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:11,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:11,991 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:13:13,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:13,591 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:13:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:13:13,592 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-10-13 06:13:13,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:13,595 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:13:13,595 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:13:13,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:13:13,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:13:13,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:13:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:13:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:13:13,621 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 101 [2020-10-13 06:13:13,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:13,622 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:13:13,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:13:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 06:13:13,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:13,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 06:13:13,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:13:13,629 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:13,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:13,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2014345303, now seen corresponding path program 1 times [2020-10-13 06:13:13,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:13,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767944623] [2020-10-13 06:13:13,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:13,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:13,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-13 06:13:13,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-13 06:13:13,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:13:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:13:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:14,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:14,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:14,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:14,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:14,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:14,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:14,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:14,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:14,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:14,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:14,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:14,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:14,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:13:14,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:14,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:14,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:14,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:14,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:14,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:13:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:14,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:14,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:14,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:13:14,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 06:13:14,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:13:14,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:13:14,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767944623] [2020-10-13 06:13:14,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:14,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:14,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373783671] [2020-10-13 06:13:14,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:14,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:14,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:14,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:14,153 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-13 06:13:15,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:15,120 INFO L93 Difference]: Finished difference Result 782 states and 1010 transitions. [2020-10-13 06:13:15,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:15,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-13 06:13:15,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:15,124 INFO L225 Difference]: With dead ends: 782 [2020-10-13 06:13:15,124 INFO L226 Difference]: Without dead ends: 319 [2020-10-13 06:13:15,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:15,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-13 06:13:15,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 314. [2020-10-13 06:13:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-10-13 06:13:15,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 377 transitions. [2020-10-13 06:13:15,144 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 377 transitions. Word has length 123 [2020-10-13 06:13:15,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:15,145 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 377 transitions. [2020-10-13 06:13:15,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 377 transitions. [2020-10-13 06:13:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 06:13:15,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:15,148 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:15,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:13:15,149 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:15,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:15,149 INFO L82 PathProgramCache]: Analyzing trace with hash -845945834, now seen corresponding path program 1 times [2020-10-13 06:13:15,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:15,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202570978] [2020-10-13 06:13:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:15,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:15,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:15,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 06:13:16,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1036 [2020-10-13 06:13:16,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:13:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:13:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:16,726 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-13 06:13:16,861 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-10-13 06:13:17,032 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2020-10-13 06:13:17,230 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 47 [2020-10-13 06:13:17,430 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2020-10-13 06:13:17,610 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 39 [2020-10-13 06:13:17,801 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 34 [2020-10-13 06:13:17,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:17,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:17,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:17,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:17,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:17,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 06:13:17,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:13:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:18,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202570978] [2020-10-13 06:13:18,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:18,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:18,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578713995] [2020-10-13 06:13:18,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:18,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:18,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:18,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:18,080 INFO L87 Difference]: Start difference. First operand 314 states and 377 transitions. Second operand 12 states. [2020-10-13 06:13:18,368 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-13 06:13:18,502 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-13 06:13:18,753 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-13 06:13:19,059 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2020-10-13 06:13:19,607 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2020-10-13 06:13:20,163 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-10-13 06:13:20,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:20,581 INFO L93 Difference]: Finished difference Result 715 states and 901 transitions. [2020-10-13 06:13:20,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:13:20,582 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 122 [2020-10-13 06:13:20,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:20,585 INFO L225 Difference]: With dead ends: 715 [2020-10-13 06:13:20,585 INFO L226 Difference]: Without dead ends: 369 [2020-10-13 06:13:20,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:13:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-13 06:13:20,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 362. [2020-10-13 06:13:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-10-13 06:13:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 428 transitions. [2020-10-13 06:13:20,619 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 428 transitions. Word has length 122 [2020-10-13 06:13:20,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:20,620 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 428 transitions. [2020-10-13 06:13:20,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 428 transitions. [2020-10-13 06:13:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 06:13:20,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:20,633 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 06:13:20,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:13:20,633 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:20,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1233770447, now seen corresponding path program 1 times [2020-10-13 06:13:20,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:20,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706690676] [2020-10-13 06:13:20,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:20,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 06:13:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-13 06:13:20,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:13:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:13:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:21,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:21,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:21,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:21,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:21,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:21,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:21,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:21,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:21,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:21,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:21,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:21,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:21,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:21,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:21,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:21,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:21,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:21,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:21,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:21,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:21,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:21,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:13:21,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 06:13:21,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706690676] [2020-10-13 06:13:21,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:21,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:21,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380773384] [2020-10-13 06:13:21,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:21,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:21,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:21,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:21,109 INFO L87 Difference]: Start difference. First operand 362 states and 428 transitions. Second operand 5 states. [2020-10-13 06:13:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:22,142 INFO L93 Difference]: Finished difference Result 870 states and 1066 transitions. [2020-10-13 06:13:22,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:22,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-13 06:13:22,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:22,148 INFO L225 Difference]: With dead ends: 870 [2020-10-13 06:13:22,148 INFO L226 Difference]: Without dead ends: 514 [2020-10-13 06:13:22,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:22,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-10-13 06:13:22,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 511. [2020-10-13 06:13:22,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-10-13 06:13:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 619 transitions. [2020-10-13 06:13:22,183 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 619 transitions. Word has length 130 [2020-10-13 06:13:22,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:22,184 INFO L479 AbstractCegarLoop]: Abstraction has 511 states and 619 transitions. [2020-10-13 06:13:22,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:22,184 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 619 transitions. [2020-10-13 06:13:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 06:13:22,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:22,191 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:22,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:13:22,191 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:22,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:22,192 INFO L82 PathProgramCache]: Analyzing trace with hash 933955241, now seen corresponding path program 1 times [2020-10-13 06:13:22,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:22,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823680811] [2020-10-13 06:13:22,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:22,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:22,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:23,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:23,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 06:13:26,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:13:26,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4181 [2020-10-13 06:13:26,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:13:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:13:26,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:26,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:26,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:26,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:26,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:26,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:26,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:26,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:26,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:13:26,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 06:13:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:13:26,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 06:13:26,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 06:13:26,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823680811] [2020-10-13 06:13:26,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:26,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:13:26,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088886117] [2020-10-13 06:13:26,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:13:26,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:26,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:13:26,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:13:26,599 INFO L87 Difference]: Start difference. First operand 511 states and 619 transitions. Second operand 7 states. [2020-10-13 06:13:27,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:27,512 INFO L93 Difference]: Finished difference Result 1006 states and 1225 transitions. [2020-10-13 06:13:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 06:13:27,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2020-10-13 06:13:27,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:27,519 INFO L225 Difference]: With dead ends: 1006 [2020-10-13 06:13:27,519 INFO L226 Difference]: Without dead ends: 501 [2020-10-13 06:13:27,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 06:13:27,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-10-13 06:13:27,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2020-10-13 06:13:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2020-10-13 06:13:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 584 transitions. [2020-10-13 06:13:27,551 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 584 transitions. Word has length 153 [2020-10-13 06:13:27,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:27,552 INFO L479 AbstractCegarLoop]: Abstraction has 501 states and 584 transitions. [2020-10-13 06:13:27,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:13:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 584 transitions. [2020-10-13 06:13:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 06:13:27,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:27,558 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-13 06:13:27,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:13:27,558 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:27,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:27,559 INFO L82 PathProgramCache]: Analyzing trace with hash -610356347, now seen corresponding path program 1 times [2020-10-13 06:13:27,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:27,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387884323] [2020-10-13 06:13:27,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:27,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:27,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:27,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 06:13:28,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:28,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-10-13 06:13:28,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:13:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:13:28,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:28,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:28,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:28,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:28,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:28,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:28,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:28,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:13:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:28,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:28,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:28,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:13:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:28,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 06:13:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 06:13:28,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 06:13:28,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:13:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 06:13:28,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 06:13:28,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387884323] [2020-10-13 06:13:28,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:28,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:13:28,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237937015] [2020-10-13 06:13:28,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:13:28,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:28,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:13:28,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:13:28,876 INFO L87 Difference]: Start difference. First operand 501 states and 584 transitions. Second operand 7 states. [2020-10-13 06:13:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:30,003 INFO L93 Difference]: Finished difference Result 1247 states and 1502 transitions. [2020-10-13 06:13:30,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 06:13:30,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-10-13 06:13:30,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:30,009 INFO L225 Difference]: With dead ends: 1247 [2020-10-13 06:13:30,009 INFO L226 Difference]: Without dead ends: 806 [2020-10-13 06:13:30,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 06:13:30,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-10-13 06:13:30,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 800. [2020-10-13 06:13:30,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-10-13 06:13:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 939 transitions. [2020-10-13 06:13:30,035 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 939 transitions. Word has length 154 [2020-10-13 06:13:30,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:30,035 INFO L479 AbstractCegarLoop]: Abstraction has 800 states and 939 transitions. [2020-10-13 06:13:30,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:13:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 939 transitions. [2020-10-13 06:13:30,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 06:13:30,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:30,039 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:30,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:13:30,039 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:30,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:30,039 INFO L82 PathProgramCache]: Analyzing trace with hash 895867501, now seen corresponding path program 1 times [2020-10-13 06:13:30,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:30,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593285565] [2020-10-13 06:13:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:30,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:30,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:30,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:31,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:31,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 06:13:31,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:31,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1442 [2020-10-13 06:13:31,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:31,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:13:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 06:13:31,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:31,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:31,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:31,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:31,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:31,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:31,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:31,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:31,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:31,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:31,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:31,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:31,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:31,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:31,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:31,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:31,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:31,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:31,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:31,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:13:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 06:13:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:31,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:31,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:31,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:13:31,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:31,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 06:13:31,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:13:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 06:13:31,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 06:13:31,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593285565] [2020-10-13 06:13:31,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:31,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:13:31,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939537968] [2020-10-13 06:13:31,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:13:31,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:31,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:13:31,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:13:31,788 INFO L87 Difference]: Start difference. First operand 800 states and 939 transitions. Second operand 7 states. [2020-10-13 06:13:32,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:32,735 INFO L93 Difference]: Finished difference Result 1887 states and 2241 transitions. [2020-10-13 06:13:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 06:13:32,736 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-10-13 06:13:32,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:32,741 INFO L225 Difference]: With dead ends: 1887 [2020-10-13 06:13:32,741 INFO L226 Difference]: Without dead ends: 1147 [2020-10-13 06:13:32,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-13 06:13:32,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2020-10-13 06:13:32,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1098. [2020-10-13 06:13:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2020-10-13 06:13:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1284 transitions. [2020-10-13 06:13:32,781 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1284 transitions. Word has length 166 [2020-10-13 06:13:32,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:32,781 INFO L479 AbstractCegarLoop]: Abstraction has 1098 states and 1284 transitions. [2020-10-13 06:13:32,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:13:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1284 transitions. [2020-10-13 06:13:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-13 06:13:32,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:32,786 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:32,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:13:32,786 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:32,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:32,787 INFO L82 PathProgramCache]: Analyzing trace with hash -52528196, now seen corresponding path program 1 times [2020-10-13 06:13:32,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:32,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744624860] [2020-10-13 06:13:32,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:32,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:32,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:32,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:33,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:34,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:34,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 06:13:34,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:13:34,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2102 [2020-10-13 06:13:34,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:34,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:34,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:13:34,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:13:34,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:35,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:35,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:35,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:35,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:35,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:13:35,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:13:35,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:35,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:13:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:13:35,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 06:13:35,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:13:35,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 06:13:36,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744624860] [2020-10-13 06:13:36,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:36,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:36,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874788436] [2020-10-13 06:13:36,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:36,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:36,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:36,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:36,017 INFO L87 Difference]: Start difference. First operand 1098 states and 1284 transitions. Second operand 12 states. [2020-10-13 06:13:36,589 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:13:36,890 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-10-13 06:13:37,156 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-13 06:13:37,505 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-10-13 06:13:37,739 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-13 06:13:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:38,072 INFO L93 Difference]: Finished difference Result 2071 states and 2433 transitions. [2020-10-13 06:13:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:13:38,072 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2020-10-13 06:13:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:38,077 INFO L225 Difference]: With dead ends: 2071 [2020-10-13 06:13:38,077 INFO L226 Difference]: Without dead ends: 1033 [2020-10-13 06:13:38,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:13:38,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2020-10-13 06:13:38,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1025. [2020-10-13 06:13:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2020-10-13 06:13:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1165 transitions. [2020-10-13 06:13:38,112 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1165 transitions. Word has length 181 [2020-10-13 06:13:38,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:38,112 INFO L479 AbstractCegarLoop]: Abstraction has 1025 states and 1165 transitions. [2020-10-13 06:13:38,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:38,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1165 transitions. [2020-10-13 06:13:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-13 06:13:38,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:38,116 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 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] [2020-10-13 06:13:38,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:13:38,117 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:38,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:38,117 INFO L82 PathProgramCache]: Analyzing trace with hash 488299053, now seen corresponding path program 1 times [2020-10-13 06:13:38,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:38,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315421114] [2020-10-13 06:13:38,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:38,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:39,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:39,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-13 06:13:39,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:13:39,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1161 [2020-10-13 06:13:39,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:39,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 06:13:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:13:39,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:39,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:39,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:39,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:39,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:39,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:39,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:39,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:39,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:39,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:39,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:39,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:39,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:39,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:39,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:13:39,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:39,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:39,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:39,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:39,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 06:13:39,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:39,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 06:13:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:39,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:39,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:39,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 06:13:39,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:39,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 06:13:39,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:39,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:39,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 06:13:39,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:13:39,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:39,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 06:13:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:39,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:39,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:39,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 06:13:39,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:39,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:39,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 06:13:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:39,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-13 06:13:39,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315421114] [2020-10-13 06:13:39,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:39,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:39,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24660145] [2020-10-13 06:13:39,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:39,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:39,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:39,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:39,516 INFO L87 Difference]: Start difference. First operand 1025 states and 1165 transitions. Second operand 5 states. [2020-10-13 06:13:40,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:40,329 INFO L93 Difference]: Finished difference Result 2428 states and 2792 transitions. [2020-10-13 06:13:40,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:40,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2020-10-13 06:13:40,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:40,338 INFO L225 Difference]: With dead ends: 2428 [2020-10-13 06:13:40,338 INFO L226 Difference]: Without dead ends: 1463 [2020-10-13 06:13:40,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:40,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2020-10-13 06:13:40,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1317. [2020-10-13 06:13:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-13 06:13:40,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1502 transitions. [2020-10-13 06:13:40,384 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1502 transitions. Word has length 200 [2020-10-13 06:13:40,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:40,385 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1502 transitions. [2020-10-13 06:13:40,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1502 transitions. [2020-10-13 06:13:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-13 06:13:40,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:40,390 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 06:13:40,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:13:40,391 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:40,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:40,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1496690005, now seen corresponding path program 1 times [2020-10-13 06:13:40,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:40,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120082009] [2020-10-13 06:13:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:40,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:40,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:40,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:41,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:41,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-13 06:13:41,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:41,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1085 [2020-10-13 06:13:41,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:41,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-13 06:13:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:13:41,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:41,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:41,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:41,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:41,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:41,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:41,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:41,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:41,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:41,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:41,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:41,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:41,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:41,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:41,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:41,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:41,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:41,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:41,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:41,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:41,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:41,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:41,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 06:13:41,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:41,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 06:13:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:41,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:41,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:41,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:41,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:41,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 06:13:41,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:13:41,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 06:13:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:41,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:41,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:41,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 06:13:41,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:41,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 06:13:41,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:13:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 06:13:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-13 06:13:41,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120082009] [2020-10-13 06:13:41,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:41,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:13:41,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285386316] [2020-10-13 06:13:41,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:13:41,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:41,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:13:41,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:13:41,815 INFO L87 Difference]: Start difference. First operand 1317 states and 1502 transitions. Second operand 7 states. [2020-10-13 06:13:42,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:42,911 INFO L93 Difference]: Finished difference Result 2879 states and 3292 transitions. [2020-10-13 06:13:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 06:13:42,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-13 06:13:42,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:42,919 INFO L225 Difference]: With dead ends: 2879 [2020-10-13 06:13:42,919 INFO L226 Difference]: Without dead ends: 1622 [2020-10-13 06:13:42,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-13 06:13:42,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2020-10-13 06:13:42,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1471. [2020-10-13 06:13:42,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1471 states. [2020-10-13 06:13:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1658 transitions. [2020-10-13 06:13:42,958 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1658 transitions. Word has length 231 [2020-10-13 06:13:42,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:42,958 INFO L479 AbstractCegarLoop]: Abstraction has 1471 states and 1658 transitions. [2020-10-13 06:13:42,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:13:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1658 transitions. [2020-10-13 06:13:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-13 06:13:42,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:42,964 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:42,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:13:42,964 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:42,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:42,964 INFO L82 PathProgramCache]: Analyzing trace with hash -990946615, now seen corresponding path program 1 times [2020-10-13 06:13:42,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:42,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172823717] [2020-10-13 06:13:42,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:43,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:43,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 06:13:43,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:43,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-13 06:13:43,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:13:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 06:13:43,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:43,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:43,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:43,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:43,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:43,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:43,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:13:43,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:43,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:43,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:43,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:43,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:43,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:43,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:13:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:43,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 06:13:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:43,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:43,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 06:13:43,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:13:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:13:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:43,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 06:13:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:43,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:43,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:13:43,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:43,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 06:13:43,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 06:13:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:43,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 187 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-13 06:13:44,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172823717] [2020-10-13 06:13:44,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:44,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:13:44,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63449364] [2020-10-13 06:13:44,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:13:44,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:44,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:13:44,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:13:44,081 INFO L87 Difference]: Start difference. First operand 1471 states and 1658 transitions. Second operand 7 states. [2020-10-13 06:13:45,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:45,418 INFO L93 Difference]: Finished difference Result 3068 states and 3460 transitions. [2020-10-13 06:13:45,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 06:13:45,423 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 238 [2020-10-13 06:13:45,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:45,428 INFO L225 Difference]: With dead ends: 3068 [2020-10-13 06:13:45,429 INFO L226 Difference]: Without dead ends: 1657 [2020-10-13 06:13:45,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:45,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-10-13 06:13:45,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1471. [2020-10-13 06:13:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1471 states. [2020-10-13 06:13:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1614 transitions. [2020-10-13 06:13:45,472 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1614 transitions. Word has length 238 [2020-10-13 06:13:45,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:45,473 INFO L479 AbstractCegarLoop]: Abstraction has 1471 states and 1614 transitions. [2020-10-13 06:13:45,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:13:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1614 transitions. [2020-10-13 06:13:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-13 06:13:45,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:45,479 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:45,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:13:45,479 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:45,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:45,480 INFO L82 PathProgramCache]: Analyzing trace with hash 2011118468, now seen corresponding path program 1 times [2020-10-13 06:13:45,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:45,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895695679] [2020-10-13 06:13:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 06:13:45,523 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 06:13:45,523 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 06:13:45,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:13:45,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:13:45 BoogieIcfgContainer [2020-10-13 06:13:45,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:13:45,575 INFO L168 Benchmark]: Toolchain (without parser) took 46898.98 ms. Allocated memory was 141.0 MB in the beginning and 757.6 MB in the end (delta: 616.6 MB). Free memory was 100.6 MB in the beginning and 518.0 MB in the end (delta: -417.4 MB). Peak memory consumption was 199.1 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:45,576 INFO L168 Benchmark]: CDTParser took 0.19 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-13 06:13:45,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.53 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 170.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:45,577 INFO L168 Benchmark]: Boogie Preprocessor took 105.25 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 165.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:45,578 INFO L168 Benchmark]: RCFGBuilder took 1171.26 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 165.3 MB in the beginning and 177.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:45,579 INFO L168 Benchmark]: TraceAbstraction took 44901.86 ms. Allocated memory was 237.0 MB in the beginning and 757.6 MB in the end (delta: 520.6 MB). Free memory was 177.7 MB in the beginning and 518.0 MB in the end (delta: -340.3 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:45,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.53 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 170.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.25 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 165.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1171.26 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 165.3 MB in the beginning and 177.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44901.86 ms. Allocated memory was 237.0 MB in the beginning and 757.6 MB in the end (delta: 520.6 MB). Free memory was 177.7 MB in the beginning and 518.0 MB in the end (delta: -340.3 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 418]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int e= 5; [L9] int d= 4; [L10] int f= 6; [L11] int c= 3; [L14] int u = 21; [L15] int v = 22; [L16] int w = 23; [L17] int x = 24; [L18] int y = 25; [L19] int z = 26; [L22] int a25 = 0; [L23] int a11 = 0; [L24] int a28 = 7; [L25] int a19 = 1; [L26] int a21 = 1; [L27] int a17 = 8; [L603] int output = -1; [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND TRUE ((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1))) [L235] a28 = 9 [L236] return 23; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L394] COND TRUE (((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1)) [L395] a19 = 0 [L396] a28 = 7 [L397] return 25; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND TRUE ((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1)) [L149] a11 = 1 [L150] a19 = 1 [L151] a28 = 10 [L152] a25 = 1 [L153] return -1; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L394] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L398] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L402] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L404] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L407] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L409] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L414] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L417] COND TRUE ((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8)) [L418] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 44.7s, OverallIterations: 14, TraceHistogramMax: 5, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 423 SDtfs, 5695 SDslu, 581 SDs, 0 SdLazy, 9846 SolverSat, 937 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1471occurred in iteration=12, 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, 13 MinimizatonAttempts, 576 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 23.0s InterpolantComputationTime, 2231 NumberOfCodeBlocks, 2231 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1971 ConstructedInterpolants, 0 QuantifiedInterpolants, 2361970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1217/1266 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 incorrect! Received shutdown request...