/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=BIGGEST --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_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:14:54,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:14:54,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:14:54,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:14:54,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:14:54,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:14:54,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:14:54,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:14:54,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:14:54,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:14:54,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:14:54,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:14:54,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:14:54,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:14:54,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:14:54,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:14:54,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:14:54,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:14:54,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:14:54,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:14:54,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:14:54,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:14:54,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:14:54,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:14:54,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:14:54,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:14:54,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:14:54,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:14:54,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:14:54,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:14:54,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:14:54,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:14:54,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:14:54,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:14:54,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:14:54,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:14:54,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:14:54,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:14:54,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:14:54,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:14:54,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:14:54,404 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 [2020-10-12 11:14:54,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:14:54,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:14:54,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:14:54,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:14:54,453 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:14:54,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:14:54,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:14:54,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:14:54,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:14:54,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:14:54,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:14:54,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:14:54,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:14:54,456 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:14:54,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:14:54,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:14:54,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:14:54,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:14:54,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:14:54,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:14:54,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:14:54,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:14:54,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:14:54,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:14:54,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:14:54,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:14:54,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:14:54,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:14:54,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:14:54,460 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:14:54,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:14:54,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:14:54,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:14:54,771 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:14:54,772 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:14:54,772 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-10-12 11:14:54,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f10a5a10/6b4dd1cd28264855ac93687a1773ff58/FLAGda8906a52 [2020-10-12 11:14:55,402 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:14:55,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-10-12 11:14:55,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f10a5a10/6b4dd1cd28264855ac93687a1773ff58/FLAGda8906a52 [2020-10-12 11:14:55,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f10a5a10/6b4dd1cd28264855ac93687a1773ff58 [2020-10-12 11:14:55,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:14:55,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:14:55,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:14:55,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:14:55,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:14:55,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39062356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55, skipping insertion in model container [2020-10-12 11:14:55,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:14:55,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:14:56,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:14:56,117 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:14:56,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:14:56,392 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:14:56,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56 WrapperNode [2020-10-12 11:14:56,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:14:56,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:14:56,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:14:56,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:14:56,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (1/1) ... [2020-10-12 11:14:56,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (1/1) ... [2020-10-12 11:14:56,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (1/1) ... [2020-10-12 11:14:56,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (1/1) ... [2020-10-12 11:14:56,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (1/1) ... [2020-10-12 11:14:56,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (1/1) ... [2020-10-12 11:14:56,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (1/1) ... [2020-10-12 11:14:56,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:14:56,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:14:56,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:14:56,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:14:56,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (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 [2020-10-12 11:14:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:14:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:14:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:14:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:14:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:14:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:14:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:14:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:14:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:14:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:14:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:14:57,639 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:14:57,640 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:14:57,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:14:57 BoogieIcfgContainer [2020-10-12 11:14:57,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:14:57,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:14:57,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:14:57,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:14:57,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:14:55" (1/3) ... [2020-10-12 11:14:57,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77411db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:14:57, skipping insertion in model container [2020-10-12 11:14:57,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:56" (2/3) ... [2020-10-12 11:14:57,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77411db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:14:57, skipping insertion in model container [2020-10-12 11:14:57,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:14:57" (3/3) ... [2020-10-12 11:14:57,654 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-10-12 11:14:57,665 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:14:57,673 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:14:57,687 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:14:57,712 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:14:57,713 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:14:57,713 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:14:57,713 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:14:57,713 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:14:57,713 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:14:57,714 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:14:57,714 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:14:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:14:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-12 11:14:57,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:57,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:57,752 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:57,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:57,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times [2020-10-12 11:14:57,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:57,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278950047] [2020-10-12 11:14:57,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:58,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:58,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:59,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:59,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 11:14:59,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:59,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1342 [2020-10-12 11:14:59,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:14:59,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:59,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:14:59,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:14:59,934 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-12 11:15:00,089 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-10-12 11:15:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:00,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:00,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:00,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:15:00,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:00,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278950047] [2020-10-12 11:15:00,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:15:00,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 11:15:00,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630991032] [2020-10-12 11:15:00,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:00,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:00,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:00,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:00,561 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-12 11:15:00,904 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2020-10-12 11:15:01,099 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2020-10-12 11:15:01,352 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2020-10-12 11:15:01,612 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-10-12 11:15:01,933 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-12 11:15:02,546 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2020-10-12 11:15:02,987 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2020-10-12 11:15:04,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:04,061 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:15:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:15:04,065 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-12 11:15:04,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:04,080 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:15:04,080 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:15:04,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:15:04,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:15:04,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:15:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:15:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:15:04,155 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 118 [2020-10-12 11:15:04,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:04,155 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:15:04,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:15:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-12 11:15:04,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:04,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:04,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:15:04,161 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:04,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:04,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1482861857, now seen corresponding path program 1 times [2020-10-12 11:15:04,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:04,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739361655] [2020-10-12 11:15:04,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:04,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:04,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:05,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:05,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:05,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 11:15:05,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:05,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1626 [2020-10-12 11:15:05,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:15:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:15:05,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:06,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:06,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:06,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:06,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:06,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:06,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:06,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:06,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:06,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:06,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:15:06,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:06,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 11:15:06,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:06,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:06,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:06,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:15:06,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:06,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739361655] [2020-10-12 11:15:06,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:06,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:06,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602290599] [2020-10-12 11:15:06,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:06,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:06,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:06,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:06,876 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:15:07,373 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-10-12 11:15:08,103 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-10-12 11:15:08,414 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2020-10-12 11:15:08,819 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-12 11:15:09,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:09,341 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:15:09,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:15:09,341 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 127 [2020-10-12 11:15:09,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:09,345 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:15:09,345 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:15:09,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:15:09,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:15:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:15:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:15:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:15:09,372 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 127 [2020-10-12 11:15:09,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:09,373 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:15:09,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:15:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 11:15:09,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:09,376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:09,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:15:09,376 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:09,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:09,377 INFO L82 PathProgramCache]: Analyzing trace with hash 685006679, now seen corresponding path program 1 times [2020-10-12 11:15:09,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:09,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468018834] [2020-10-12 11:15:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:09,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:09,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:09,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:10,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:10,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 11:15:10,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:10,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1170 [2020-10-12 11:15:10,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:10,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:10,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:15:10,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:15:10,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:11,202 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-10-12 11:15:11,381 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 44 [2020-10-12 11:15:11,546 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-10-12 11:15:11,708 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2020-10-12 11:15:11,857 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-10-12 11:15:11,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:11,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:11,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:11,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:11,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:11,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:11,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:11,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:11,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:11,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:11,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:11,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:11,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 11:15:11,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:11,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:11,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:11,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:15:11,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:12,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468018834] [2020-10-12 11:15:12,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:12,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:12,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879470052] [2020-10-12 11:15:12,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:12,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:12,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:12,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:12,173 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:15:12,474 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 11:15:12,829 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2020-10-12 11:15:13,079 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-10-12 11:15:13,574 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2020-10-12 11:15:14,004 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-10-12 11:15:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:14,589 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:15:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:15:14,590 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2020-10-12 11:15:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:14,596 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:15:14,596 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:15:14,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:15:14,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:15:14,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:15:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:15:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:15:14,631 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 131 [2020-10-12 11:15:14,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:14,631 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:15:14,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:15:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 11:15:14,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:14,635 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:14,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:15:14,635 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:14,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:14,636 INFO L82 PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times [2020-10-12 11:15:14,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:14,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756092576] [2020-10-12 11:15:14,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:14,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:14,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:15,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:15,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-12 11:15:15,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-12 11:15:15,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:15:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-12 11:15:15,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:15,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:15,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:15,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:15,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:15,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:15,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:15,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:15,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:15,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:15,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:15,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:15,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:15,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:15,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:15:15,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:15,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:15:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:15:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 11:15:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:15:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:15:15,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756092576] [2020-10-12 11:15:15,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:15,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:15,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021621793] [2020-10-12 11:15:15,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:15,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:15,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:15,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:15,453 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:15:16,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:16,563 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-12 11:15:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:16,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-12 11:15:16,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:16,567 INFO L225 Difference]: With dead ends: 724 [2020-10-12 11:15:16,568 INFO L226 Difference]: Without dead ends: 323 [2020-10-12 11:15:16,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:16,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-12 11:15:16,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-12 11:15:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:15:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-12 11:15:16,586 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 153 [2020-10-12 11:15:16,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:16,587 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-12 11:15:16,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-12 11:15:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 11:15:16,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:16,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:16,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:15:16,590 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:16,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:16,591 INFO L82 PathProgramCache]: Analyzing trace with hash -651942098, now seen corresponding path program 1 times [2020-10-12 11:15:16,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:16,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700907932] [2020-10-12 11:15:16,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:16,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:16,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:17,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 11:15:18,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:18,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1466 [2020-10-12 11:15:18,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:18,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:15:18,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:15:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:18,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:18,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:18,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:18,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:18,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:18,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:15:18,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:18,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:18,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 11:15:18,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:15:18,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:18,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700907932] [2020-10-12 11:15:18,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:18,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:18,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289438709] [2020-10-12 11:15:18,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:18,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:18,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:18,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:18,622 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-12 11:15:20,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:20,420 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-12 11:15:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:20,420 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2020-10-12 11:15:20,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:20,428 INFO L225 Difference]: With dead ends: 723 [2020-10-12 11:15:20,429 INFO L226 Difference]: Without dead ends: 401 [2020-10-12 11:15:20,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:15:20,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-12 11:15:20,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-12 11:15:20,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-12 11:15:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-12 11:15:20,464 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 152 [2020-10-12 11:15:20,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:20,465 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-12 11:15:20,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-12 11:15:20,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 11:15:20,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:20,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:20,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:15:20,469 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:20,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:20,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1807447543, now seen corresponding path program 1 times [2020-10-12 11:15:20,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:20,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799248514] [2020-10-12 11:15:20,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:20,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:20,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 11:15:20,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-12 11:15:20,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:15:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 11:15:20,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:20,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:20,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:20,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:20,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:20,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:20,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:20,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:20,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:20,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:20,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:20,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:20,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:20,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:20,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:21,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:21,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:21,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:21,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:21,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:21,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:21,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:15:21,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 11:15:21,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [799248514] [2020-10-12 11:15:21,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:21,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:21,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691977884] [2020-10-12 11:15:21,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:21,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:21,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:21,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:21,132 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-12 11:15:22,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:22,497 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-12 11:15:22,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:22,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-10-12 11:15:22,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:22,502 INFO L225 Difference]: With dead ends: 874 [2020-10-12 11:15:22,502 INFO L226 Difference]: Without dead ends: 399 [2020-10-12 11:15:22,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:22,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-12 11:15:22,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-12 11:15:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-12 11:15:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-12 11:15:22,529 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 160 [2020-10-12 11:15:22,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:22,530 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-12 11:15:22,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:22,530 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-12 11:15:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-12 11:15:22,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:22,535 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 11:15:22,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:15:22,536 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:22,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1905645060, now seen corresponding path program 1 times [2020-10-12 11:15:22,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:22,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998904066] [2020-10-12 11:15:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:22,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:22,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:22,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-12 11:15:24,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:24,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1510 [2020-10-12 11:15:24,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-12 11:15:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 11:15:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:24,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:24,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:24,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:15:24,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 11:15:24,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 11:15:24,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:25,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998904066] [2020-10-12 11:15:25,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:25,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:25,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891366997] [2020-10-12 11:15:25,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:25,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:25,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:25,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:25,106 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-12 11:15:27,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:27,418 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-12 11:15:27,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 11:15:27,419 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 169 [2020-10-12 11:15:27,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:27,423 INFO L225 Difference]: With dead ends: 886 [2020-10-12 11:15:27,424 INFO L226 Difference]: Without dead ends: 498 [2020-10-12 11:15:27,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:15:27,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-12 11:15:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-12 11:15:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-12 11:15:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-12 11:15:27,450 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 169 [2020-10-12 11:15:27,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:27,450 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-12 11:15:27,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-12 11:15:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 11:15:27,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:27,454 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:27,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:15:27,454 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash -2048388456, now seen corresponding path program 1 times [2020-10-12 11:15:27,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:27,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678549842] [2020-10-12 11:15:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:27,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:29,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 11:15:29,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:29,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1505 [2020-10-12 11:15:29,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-12 11:15:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 11:15:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:29,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:29,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:29,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:29,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:29,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:29,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:29,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:29,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:15:29,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:29,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 11:15:29,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 11:15:29,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:29,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678549842] [2020-10-12 11:15:29,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:29,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:29,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594422373] [2020-10-12 11:15:29,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:29,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:29,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:29,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:29,654 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-12 11:15:30,478 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-12 11:15:31,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:31,731 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-12 11:15:31,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:15:31,731 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 175 [2020-10-12 11:15:31,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:31,735 INFO L225 Difference]: With dead ends: 1040 [2020-10-12 11:15:31,736 INFO L226 Difference]: Without dead ends: 569 [2020-10-12 11:15:31,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:15:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-12 11:15:31,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-12 11:15:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-12 11:15:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-12 11:15:31,756 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 175 [2020-10-12 11:15:31,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:31,757 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-12 11:15:31,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-12 11:15:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-12 11:15:31,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:31,760 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 11:15:31,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:15:31,761 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:31,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:31,761 INFO L82 PathProgramCache]: Analyzing trace with hash -391782046, now seen corresponding path program 1 times [2020-10-12 11:15:31,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:31,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097039912] [2020-10-12 11:15:31,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:32,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:32,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 11:15:32,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 684 [2020-10-12 11:15:32,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-12 11:15:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 11:15:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:32,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:32,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:32,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:32,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:32,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:32,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:32,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:32,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:32,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:32,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:32,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:32,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:32,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:32,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:32,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:15:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:32,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:32,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:32,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 11:15:32,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:32,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 11:15:32,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:32,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:32,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 11:15:32,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:15:32,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097039912] [2020-10-12 11:15:32,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:32,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:32,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510297400] [2020-10-12 11:15:32,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:32,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:32,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:32,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:32,707 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 5 states. [2020-10-12 11:15:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:33,935 INFO L93 Difference]: Finished difference Result 1263 states and 1520 transitions. [2020-10-12 11:15:33,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:33,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2020-10-12 11:15:33,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:33,941 INFO L225 Difference]: With dead ends: 1263 [2020-10-12 11:15:33,941 INFO L226 Difference]: Without dead ends: 713 [2020-10-12 11:15:33,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:33,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-10-12 11:15:33,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 707. [2020-10-12 11:15:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-10-12 11:15:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 820 transitions. [2020-10-12 11:15:33,965 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 820 transitions. Word has length 200 [2020-10-12 11:15:33,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:33,965 INFO L479 AbstractCegarLoop]: Abstraction has 707 states and 820 transitions. [2020-10-12 11:15:33,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 820 transitions. [2020-10-12 11:15:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 11:15:33,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:33,970 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:33,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:15:33,970 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:33,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:33,970 INFO L82 PathProgramCache]: Analyzing trace with hash 694839161, now seen corresponding path program 1 times [2020-10-12 11:15:33,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:33,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055752909] [2020-10-12 11:15:33,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:34,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:34,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:34,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:35,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:39,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-12 11:15:39,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:15:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-12 11:15:39,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-12 11:15:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 11:15:39,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:39,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:39,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:39,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:39,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:39,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:39,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:15:39,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:39,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:39,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:39,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:39,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:39,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:39,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:15:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:39,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:39,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 11:15:39,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:39,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 11:15:39,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:39,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:39,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:39,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:40,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 11:15:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:40,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:40,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 11:15:40,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:15:40,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 11:15:40,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-12 11:15:40,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055752909] [2020-10-12 11:15:40,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:40,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:40,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550502844] [2020-10-12 11:15:40,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:40,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:40,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:40,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:40,290 INFO L87 Difference]: Start difference. First operand 707 states and 820 transitions. Second operand 12 states. [2020-10-12 11:15:41,094 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-10-12 11:15:41,344 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-10-12 11:15:41,647 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-10-12 11:15:41,979 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2020-10-12 11:15:42,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:42,359 INFO L93 Difference]: Finished difference Result 1480 states and 1773 transitions. [2020-10-12 11:15:42,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:42,363 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 210 [2020-10-12 11:15:42,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:42,367 INFO L225 Difference]: With dead ends: 1480 [2020-10-12 11:15:42,368 INFO L226 Difference]: Without dead ends: 779 [2020-10-12 11:15:42,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:15:42,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-10-12 11:15:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 776. [2020-10-12 11:15:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2020-10-12 11:15:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 897 transitions. [2020-10-12 11:15:42,398 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 897 transitions. Word has length 210 [2020-10-12 11:15:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:42,399 INFO L479 AbstractCegarLoop]: Abstraction has 776 states and 897 transitions. [2020-10-12 11:15:42,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 897 transitions. [2020-10-12 11:15:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-12 11:15:42,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:42,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:42,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:15:42,403 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:42,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:42,404 INFO L82 PathProgramCache]: Analyzing trace with hash -2013374380, now seen corresponding path program 1 times [2020-10-12 11:15:42,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:42,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634170682] [2020-10-12 11:15:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:42,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:44,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:44,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 11:15:44,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:15:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1642 [2020-10-12 11:15:44,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-12 11:15:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 11:15:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:44,549 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-12 11:15:44,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:44,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:44,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:44,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:44,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:44,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:44,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:44,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:44,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:44,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:15:44,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:44,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:44,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:44,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:44,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:44,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:44,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:44,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:15:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:44,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:44,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:44,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:15:44,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:15:44,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:15:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 11:15:45,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634170682] [2020-10-12 11:15:45,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:45,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:45,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975228866] [2020-10-12 11:15:45,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:45,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:45,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:45,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:45,095 INFO L87 Difference]: Start difference. First operand 776 states and 897 transitions. Second operand 12 states. [2020-10-12 11:15:45,715 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 11:15:46,048 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-10-12 11:15:46,339 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-12 11:15:46,729 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-10-12 11:15:46,967 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-12 11:15:47,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:47,719 INFO L93 Difference]: Finished difference Result 1634 states and 1950 transitions. [2020-10-12 11:15:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:15:47,720 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 211 [2020-10-12 11:15:47,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:47,724 INFO L225 Difference]: With dead ends: 1634 [2020-10-12 11:15:47,725 INFO L226 Difference]: Without dead ends: 864 [2020-10-12 11:15:47,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:15:47,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-10-12 11:15:47,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 853. [2020-10-12 11:15:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2020-10-12 11:15:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 979 transitions. [2020-10-12 11:15:47,752 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 979 transitions. Word has length 211 [2020-10-12 11:15:47,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:47,753 INFO L479 AbstractCegarLoop]: Abstraction has 853 states and 979 transitions. [2020-10-12 11:15:47,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 979 transitions. [2020-10-12 11:15:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 11:15:47,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:47,756 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:47,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:15:47,757 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:47,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1949739621, now seen corresponding path program 1 times [2020-10-12 11:15:47,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:47,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117883166] [2020-10-12 11:15:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:47,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:47,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:48,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:48,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 11:15:50,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:15:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2772 [2020-10-12 11:15:50,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:15:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 11:15:50,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:50,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:50,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:15:50,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:50,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 11:15:50,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 11:15:50,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:15:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 11:15:50,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:50,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 11:15:50,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 11:15:50,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 11:15:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 11:15:50,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:50,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 11:15:50,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:50,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:50,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:15:50,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 92 proven. 20 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 11:15:50,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117883166] [2020-10-12 11:15:50,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:50,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:15:50,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080496962] [2020-10-12 11:15:50,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:15:50,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:50,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:15:50,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:15:50,924 INFO L87 Difference]: Start difference. First operand 853 states and 979 transitions. Second operand 8 states. [2020-10-12 11:15:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:52,288 INFO L93 Difference]: Finished difference Result 2040 states and 2466 transitions. [2020-10-12 11:15:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:15:52,289 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-10-12 11:15:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:52,297 INFO L225 Difference]: With dead ends: 2040 [2020-10-12 11:15:52,297 INFO L226 Difference]: Without dead ends: 1193 [2020-10-12 11:15:52,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:15:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2020-10-12 11:15:52,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1152. [2020-10-12 11:15:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2020-10-12 11:15:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1355 transitions. [2020-10-12 11:15:52,340 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1355 transitions. Word has length 217 [2020-10-12 11:15:52,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:52,340 INFO L479 AbstractCegarLoop]: Abstraction has 1152 states and 1355 transitions. [2020-10-12 11:15:52,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:15:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1355 transitions. [2020-10-12 11:15:52,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-12 11:15:52,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:52,345 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:52,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:15:52,345 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:52,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:52,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1571611800, now seen corresponding path program 1 times [2020-10-12 11:15:52,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:52,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204373469] [2020-10-12 11:15:52,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:52,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:52,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:52,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:52,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:53,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:54,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:55,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:57,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-12 11:15:57,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 11:15:57,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 11:15:57,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:15:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 11:15:57,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:57,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:57,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:57,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:57,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:57,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:57,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:57,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:57,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:57,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:57,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:57,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:57,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:57,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:57,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 11:15:57,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 11:15:57,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:57,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:15:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:57,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:57,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 11:15:57,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:57,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 11:15:57,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:57,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:57,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 11:15:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:57,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 11:15:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:57,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:57,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 11:15:57,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:15:57,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 11:15:57,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 11:15:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:57,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:57,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:15:57,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:57,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 11:15:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 11:15:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 11:15:57,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204373469] [2020-10-12 11:15:57,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:57,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:15:57,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449255235] [2020-10-12 11:15:57,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 11:15:57,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:57,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 11:15:57,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:15:57,819 INFO L87 Difference]: Start difference. First operand 1152 states and 1355 transitions. Second operand 9 states. [2020-10-12 11:15:59,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:59,098 INFO L93 Difference]: Finished difference Result 2645 states and 3259 transitions. [2020-10-12 11:15:59,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:15:59,102 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2020-10-12 11:15:59,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:59,109 INFO L225 Difference]: With dead ends: 2645 [2020-10-12 11:15:59,109 INFO L226 Difference]: Without dead ends: 1499 [2020-10-12 11:15:59,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-10-12 11:15:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2020-10-12 11:15:59,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1458. [2020-10-12 11:15:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2020-10-12 11:15:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1703 transitions. [2020-10-12 11:15:59,153 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1703 transitions. Word has length 225 [2020-10-12 11:15:59,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:59,153 INFO L479 AbstractCegarLoop]: Abstraction has 1458 states and 1703 transitions. [2020-10-12 11:15:59,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 11:15:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1703 transitions. [2020-10-12 11:15:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 11:15:59,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:59,158 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:59,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:15:59,159 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:59,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:59,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1934310553, now seen corresponding path program 1 times [2020-10-12 11:15:59,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:59,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768314452] [2020-10-12 11:15:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:59,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:59,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:59,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:59,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:00,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:00,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:00,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:01,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:02,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-12 11:16:02,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 11:16:02,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3374 [2020-10-12 11:16:02,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 11:16:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:16:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-12 11:16:02,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:02,990 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2020-10-12 11:16:03,147 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-10-12 11:16:03,319 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2020-10-12 11:16:03,501 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-10-12 11:16:03,717 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-10-12 11:16:03,892 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2020-10-12 11:16:04,085 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-10-12 11:16:04,374 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2020-10-12 11:16:04,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:16:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:04,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:04,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:04,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:16:04,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:04,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:16:04,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:04,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:16:04,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:04,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:16:04,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:04,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:16:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:04,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:04,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:04,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:04,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:16:04,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:16:04,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 11:16:04,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:04,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:04,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:16:04,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 11:16:04,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:04,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:16:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:04,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:04,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:04,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:04,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:16:04,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:16:04,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 11:16:04,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:04,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:04,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:16:04,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 11:16:04,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:04,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 11:16:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:04,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:04,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:04,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:04,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 11:16:04,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:16:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 11:16:04,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 11:16:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:16:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 11:16:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 15 proven. 93 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-12 11:16:05,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768314452] [2020-10-12 11:16:05,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:16:05,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 11:16:05,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869867347] [2020-10-12 11:16:05,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 11:16:05,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:16:05,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 11:16:05,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:16:05,008 INFO L87 Difference]: Start difference. First operand 1458 states and 1703 transitions. Second operand 21 states. [2020-10-12 11:16:05,728 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-12 11:16:05,959 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-12 11:16:06,227 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-12 11:16:06,539 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-12 11:16:07,021 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-10-12 11:16:07,325 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-12 11:16:07,659 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-12 11:16:08,029 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-10-12 11:16:08,286 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-12 11:16:08,693 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-12 11:16:09,179 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-12 11:16:09,334 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-12 11:16:09,852 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-12 11:16:10,339 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-12 11:16:10,730 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-12 11:16:10,961 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-12 11:16:11,395 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-12 11:16:11,570 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-12 11:16:11,797 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-12 11:16:12,210 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-12 11:16:12,383 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-12 11:16:13,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:13,594 INFO L93 Difference]: Finished difference Result 4729 states and 5738 transitions. [2020-10-12 11:16:13,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-12 11:16:13,596 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 231 [2020-10-12 11:16:13,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:13,611 INFO L225 Difference]: With dead ends: 4729 [2020-10-12 11:16:13,611 INFO L226 Difference]: Without dead ends: 3259 [2020-10-12 11:16:13,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=1001, Invalid=2539, Unknown=0, NotChecked=0, Total=3540 [2020-10-12 11:16:13,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3259 states. [2020-10-12 11:16:13,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3259 to 2742. [2020-10-12 11:16:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2742 states. [2020-10-12 11:16:13,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2742 states and 3255 transitions. [2020-10-12 11:16:13,695 INFO L78 Accepts]: Start accepts. Automaton has 2742 states and 3255 transitions. Word has length 231 [2020-10-12 11:16:13,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:13,695 INFO L479 AbstractCegarLoop]: Abstraction has 2742 states and 3255 transitions. [2020-10-12 11:16:13,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 11:16:13,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3255 transitions. [2020-10-12 11:16:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 11:16:13,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:16:13,703 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 11:16:13,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 11:16:13,703 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:16:13,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:16:13,704 INFO L82 PathProgramCache]: Analyzing trace with hash 87738295, now seen corresponding path program 1 times [2020-10-12 11:16:13,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:16:13,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693965010] [2020-10-12 11:16:13,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:16:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:13,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:13,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:14,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:15,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:15,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:15,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-12 11:16:15,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:16:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-12 11:16:15,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:16:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 11:16:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 11:16:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:15,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:16:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:15,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:15,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:15,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:16:15,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:15,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:16:15,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:15,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:16:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:15,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:15,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:15,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:16:15,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:16:15,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:15,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:16:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:15,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:15,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 11:16:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:15,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:15,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 130 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-12 11:16:15,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693965010] [2020-10-12 11:16:15,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:16:15,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:16:15,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631481182] [2020-10-12 11:16:15,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:16:15,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:16:15,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:16:15,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:16:15,389 INFO L87 Difference]: Start difference. First operand 2742 states and 3255 transitions. Second operand 7 states. [2020-10-12 11:16:16,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:16,563 INFO L93 Difference]: Finished difference Result 5390 states and 6424 transitions. [2020-10-12 11:16:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:16:16,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-10-12 11:16:16,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:16,572 INFO L225 Difference]: With dead ends: 5390 [2020-10-12 11:16:16,573 INFO L226 Difference]: Without dead ends: 2278 [2020-10-12 11:16:16,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:16:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-10-12 11:16:16,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2248. [2020-10-12 11:16:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2248 states. [2020-10-12 11:16:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 2248 states and 2586 transitions. [2020-10-12 11:16:16,635 INFO L78 Accepts]: Start accepts. Automaton has 2248 states and 2586 transitions. Word has length 241 [2020-10-12 11:16:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:16,636 INFO L479 AbstractCegarLoop]: Abstraction has 2248 states and 2586 transitions. [2020-10-12 11:16:16,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:16:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2586 transitions. [2020-10-12 11:16:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-12 11:16:16,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:16:16,642 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-12 11:16:16,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 11:16:16,643 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:16:16,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:16:16,643 INFO L82 PathProgramCache]: Analyzing trace with hash 8873805, now seen corresponding path program 1 times [2020-10-12 11:16:16,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:16:16,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573762406] [2020-10-12 11:16:16,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:16:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:16,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:16,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:17,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:17,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-12 11:16:17,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:16:17,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 906 [2020-10-12 11:16:17,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:16:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 11:16:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 11:16:17,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:17,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:16:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:17,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:17,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:17,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:16:17,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:17,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:16:17,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:17,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:16:17,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:16:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:17,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:17,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:17,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:16:17,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:17,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:16:17,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:17,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:17,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 11:16:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:17,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:17,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:17,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 11:16:17,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 11:16:17,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:16:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 11:16:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:17,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 11:16:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:17,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:17,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:17,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 11:16:17,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 11:16:17,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:16:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 11:16:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 146 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-12 11:16:17,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573762406] [2020-10-12 11:16:17,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:16:17,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:16:17,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296132372] [2020-10-12 11:16:17,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:16:17,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:16:17,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:16:17,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:16:17,864 INFO L87 Difference]: Start difference. First operand 2248 states and 2586 transitions. Second operand 6 states. [2020-10-12 11:16:18,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:18,848 INFO L93 Difference]: Finished difference Result 4464 states and 5151 transitions. [2020-10-12 11:16:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:16:18,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2020-10-12 11:16:18,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:18,856 INFO L225 Difference]: With dead ends: 4464 [2020-10-12 11:16:18,856 INFO L226 Difference]: Without dead ends: 2276 [2020-10-12 11:16:18,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:16:18,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2020-10-12 11:16:18,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 2104. [2020-10-12 11:16:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2104 states. [2020-10-12 11:16:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2303 transitions. [2020-10-12 11:16:18,915 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2303 transitions. Word has length 260 [2020-10-12 11:16:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:18,915 INFO L479 AbstractCegarLoop]: Abstraction has 2104 states and 2303 transitions. [2020-10-12 11:16:18,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:16:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2303 transitions. [2020-10-12 11:16:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-12 11:16:18,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:16:18,922 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:16:18,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 11:16:18,922 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:16:18,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:16:18,923 INFO L82 PathProgramCache]: Analyzing trace with hash -505350894, now seen corresponding path program 1 times [2020-10-12 11:16:18,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:16:18,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590215124] [2020-10-12 11:16:18,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:16:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:19,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:19,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:19,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:20,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:20,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-12 11:16:20,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:16:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1186 [2020-10-12 11:16:20,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-10-12 11:16:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 11:16:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:20,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:16:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:20,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:20,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:20,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:16:20,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:16:20,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:20,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:16:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:20,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:20,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:20,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:16:20,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:16:20,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:20,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 11:16:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:20,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:20,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:20,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 11:16:20,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 11:16:20,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:20,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 11:16:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:20,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:20,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:20,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 11:16:20,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:20,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:16:20,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:16:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 11:16:20,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 146 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-12 11:16:20,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590215124] [2020-10-12 11:16:20,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:16:20,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:16:20,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138966760] [2020-10-12 11:16:20,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:16:20,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:16:20,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:16:20,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:16:20,443 INFO L87 Difference]: Start difference. First operand 2104 states and 2303 transitions. Second operand 5 states. [2020-10-12 11:16:21,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:21,455 INFO L93 Difference]: Finished difference Result 4577 states and 5048 transitions. [2020-10-12 11:16:21,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:16:21,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2020-10-12 11:16:21,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:21,456 INFO L225 Difference]: With dead ends: 4577 [2020-10-12 11:16:21,456 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:16:21,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:16:21,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:16:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:16:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:16:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:16:21,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 270 [2020-10-12 11:16:21,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:21,465 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:16:21,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:16:21,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:16:21,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:16:21,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 11:16:21,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:16:22,912 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 293 DAG size of output: 154 [2020-10-12 11:16:23,463 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 208 [2020-10-12 11:16:23,608 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2020-10-12 11:16:25,232 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 264 DAG size of output: 141 [2020-10-12 11:16:25,917 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-12 11:16:27,029 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 214 DAG size of output: 94 [2020-10-12 11:16:27,033 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:16:27,038 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:16:27,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:16:27,039 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,039 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,039 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,039 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,039 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,039 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,040 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,041 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,041 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,041 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:16:27,041 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,041 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:16:27,042 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:16:27,042 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:16:27,042 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:16:27,042 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:16:27,043 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:16:27,043 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:16:27,043 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:16:27,043 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:16:27,043 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:16:27,043 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:16:27,043 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:16:27,044 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:16:27,044 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:16:27,044 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:16:27,044 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,046 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,046 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,046 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,046 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,046 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2020-10-12 11:16:27,046 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:16:27,046 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:16:27,047 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:16:27,048 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:16:27,049 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:16:27,049 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:16:27,049 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:16:27,049 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:16:27,049 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:16:27,050 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:16:27,050 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:16:27,050 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:16:27,051 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:16:27,052 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:16:27,053 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,054 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:16:27,054 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:16:27,055 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,056 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:16:27,057 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:16:27,058 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,059 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,060 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (not (<= |old(~a28~0)| 10))) (.cse15 (<= ~a28~0 10)) (.cse11 (not (<= |old(~a19~0)| 0))) (.cse16 (not (<= |old(~a25~0)| 0))) (.cse13 (not (= ~a21~0 1))) (.cse14 (not (<= |old(~a11~0)| 0))) (.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a17~0 8)) (.cse0 (not (= |old(~a19~0)| 1))) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a28~0 9)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse10 (not (<= |old(~a17~0)| 7))) (.cse2 (not (= 9 |old(~a28~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7)) (or .cse0 (and .cse8 .cse9 .cse3 .cse4 .cse7) .cse10) (or (and .cse8 .cse3 .cse4 .cse5 .cse7) .cse1 .cse11) (or (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a17~0)| 8)) .cse12 .cse13 (and (not (<= 2 |old(~a11~0)|)) .cse14) (not (< 7 |old(~a17~0)|)) (and .cse3 (< 9 ~a28~0) .cse4 (<= ~a17~0 8) (< 7 ~a17~0) .cse15 .cse7) (not (< 9 |old(~a28~0)|))) (or (not (<= |old(~a11~0)| 1)) .cse12 (not (<= 7 |old(~a17~0)|)) .cse10 .cse16 (not (<= 10 |old(~a28~0)|)) .cse13 (not (<= 1 |old(~a11~0)|)) (and (<= 1 ~a11~0) (<= 7 ~a17~0) (<= 10 ~a28~0) .cse4 (<= ~a11~0 1) .cse15 (<= ~a17~0 7) .cse7) .cse11) (or .cse0 (and .cse3 .cse4 .cse5 (= 7 ~a28~0) .cse7) .cse1 .cse16 .cse13 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (not (= 7 |old(~a28~0)|)) .cse14) (or (not (<= |old(~a25~0)| 1)) (and .cse8 .cse3 (<= 1 ~a25~0) .cse5 (<= ~a25~0 1) .cse7) .cse0 .cse1 (not (<= 1 |old(~a25~0)|))) (or (and .cse9 .cse3 .cse4 .cse6 .cse7) .cse10 .cse2))) [2020-10-12 11:16:27,060 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,060 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,060 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,060 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:16:27,060 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:16:27,060 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,061 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:16:27,062 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:16:27,063 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a21~0 1) (<= 7 ~a28~0) (<= 8 ~a17~0) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0) (<= 1 ~a19~0)) [2020-10-12 11:16:27,064 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:16:27,064 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:16:27,064 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-10-12 11:16:27,065 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a28~0 9)) (.cse1 (<= ~a19~0 1)) (.cse2 (<= ~a19~0 0)) (.cse6 (<= 10 ~a28~0)) (.cse4 (<= ~a17~0 7)) (.cse7 (<= ~a28~0 10)) (.cse3 (= ~a19~0 1)) (.cse0 (= ~a17~0 8))) (or (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 7 ~a28~0) .cse0 .cse1 (<= ~a28~0 7)) (not (= |old(~a19~0)| 1)) (and .cse2 .cse0) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse4) (and .cse5 .cse4) (not (<= |old(~a25~0)| 0)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse5 (= ~a19~0 |old(~a19~0)|)) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) .cse6 .cse1 (<= ~a17~0 8) (<= 1 ~a19~0) .cse7) (and (<= 1 ~a11~0) .cse2 (<= 7 ~a17~0) .cse6 (<= ~a11~0 1) .cse4 (<= ~a25~0 0) .cse7) (not (= ~a21~0 1)) (and .cse3 (<= 1 ~a25~0) .cse0 (<= ~a25~0 1)) (not (<= |old(~a11~0)| 0)))) [2020-10-12 11:16:27,065 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:16:27,065 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:16:27,065 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (= ~a28~0 9)) (.cse4 (<= ~a19~0 0)) (.cse0 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 7)) (.cse1 (<= ~a28~0 10)) (.cse2 (= ~a19~0 1)) (.cse3 (= ~a17~0 8))) (or (and (or (<= ~a11~0 0) (< 1 ~a11~0)) (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1)) .cse0 (<= ~a19~0 1) (<= ~a17~0 8) (<= 1 ~a19~0) .cse1) (not (= |old(~a19~0)| 1)) (and (= ~a11~0 |old(~a11~0)|) .cse2 (= ~a25~0 |old(~a25~0)|) (<= 7 ~a28~0) .cse3 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) (<= ~a28~0 7)) (and .cse4 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse5) (and .cse6 .cse5) (not (<= |old(~a25~0)| 0)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse3 .cse6 (= ~a19~0 |old(~a19~0)|)) (and (<= 1 ~a11~0) .cse4 (<= 7 ~a17~0) .cse0 (<= ~a11~0 1) .cse5 (<= ~a25~0 0) .cse1) (not (= ~a21~0 1)) (and .cse2 (<= 1 ~a25~0) .cse3 (<= ~a25~0 1)) (not (<= |old(~a11~0)| 0)))) [2020-10-12 11:16:27,065 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:16:27,065 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:16:27,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:16:27 BoogieIcfgContainer [2020-10-12 11:16:27,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:16:27,089 INFO L168 Benchmark]: Toolchain (without parser) took 91473.42 ms. Allocated memory was 141.6 MB in the beginning and 1.0 GB in the end (delta: 879.8 MB). Free memory was 103.3 MB in the beginning and 836.1 MB in the end (delta: -732.8 MB). Peak memory consumption was 868.0 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:27,090 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 11:16:27,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.69 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.1 MB in the beginning and 173.5 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:27,091 INFO L168 Benchmark]: Boogie Preprocessor took 93.44 ms. Allocated memory is still 206.6 MB. Free memory was 173.5 MB in the beginning and 168.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:27,092 INFO L168 Benchmark]: RCFGBuilder took 1158.52 ms. Allocated memory was 206.6 MB in the beginning and 235.9 MB in the end (delta: 29.4 MB). Free memory was 168.1 MB in the beginning and 176.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:27,092 INFO L168 Benchmark]: TraceAbstraction took 89439.56 ms. Allocated memory was 235.9 MB in the beginning and 1.0 GB in the end (delta: 785.4 MB). Free memory was 176.2 MB in the beginning and 836.1 MB in the end (delta: -659.9 MB). Peak memory consumption was 846.5 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:27,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 776.69 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.1 MB in the beginning and 173.5 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.44 ms. Allocated memory is still 206.6 MB. Free memory was 173.5 MB in the beginning and 168.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.52 ms. Allocated memory was 206.6 MB in the beginning and 235.9 MB in the end (delta: 29.4 MB). Free memory was 168.1 MB in the beginning and 176.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 89439.56 ms. Allocated memory was 235.9 MB in the beginning and 1.0 GB in the end (delta: 785.4 MB). Free memory was 176.2 MB in the beginning and 836.1 MB in the end (delta: -659.9 MB). Peak memory consumption was 846.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((a11 == \old(a11) && a25 == \old(a25)) && 7 <= a28) && a17 == 8) && a19 <= 1) && a28 <= 7) || !(\old(a19) == 1)) || (a19 <= 0 && a17 == 8)) || !(8 == \old(a17))) || (a19 == 1 && a17 <= 7)) || (a28 == 9 && a17 <= 7)) || !(\old(a25) <= 0)) || !(7 <= \old(a28))) || !(\old(a28) <= 7)) || ((a17 == 8 && a28 == 9) && a19 == \old(a19))) || ((((((a11 <= 0 || 1 < a11) && 10 <= a28) && a19 <= 1) && a17 <= 8) && 1 <= a19) && a28 <= 10)) || (((((((1 <= a11 && a19 <= 0) && 7 <= a17) && 10 <= a28) && a11 <= 1) && a17 <= 7) && a25 <= 0) && a28 <= 10)) || !(a21 == 1)) || (((a19 == 1 && 1 <= a25) && a17 == 8) && a25 <= 1)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 83.7s, OverallIterations: 17, TraceHistogramMax: 5, AutomataDifference: 37.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 633 SDtfs, 7836 SDslu, 1000 SDs, 0 SdLazy, 15561 SolverSat, 1567 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 140 SyntacticMatches, 4 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 21.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2742occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 887 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 173 PreInvPairs, 230 NumberOfFragments, 828 HoareAnnotationTreeSize, 173 FomulaSimplifications, 4150804 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 541186 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 42.5s InterpolantComputationTime, 3250 NumberOfCodeBlocks, 3250 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3233 ConstructedInterpolants, 0 QuantifiedInterpolants, 6691849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 1497/1672 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...